Variation in the Ichnofauna of the Collio Formation (Lower Permian) in the South-Alpine Region (Northern Italy)

REFERENCES

• Alessandrello , A. , Pinna , G. and Teruzzi , G. 1988 . Land planarian locomotion trail from the Lower Permian of Lombardian Pre-Alps (Tricladida Terricola) . Atti Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale , 129 : 139 – 145 .
   Google Scholar
• Arduini , P. , Krieger , C. , Rossi , M. and Santi , G. 2003 . Early Permian vertebrates ichnoassociation in Scioc Valley-Orobic Basin- (Lombardy—Northern Italy) . Neues Jahrbuch für Geologie und Paläontologie Monatshefte , 7 : 385 – 399 .
   Google Scholar
• Avanzini , M. , Ceoloni , P. , Conti , M.A. , Leonardi , G. , Manni , R. , Mariotti , N. , Mietto , P. , Muraro , C. , Nicosia , U. , Sacchi , E. , Santi , G. and Spezzamonte , M. 2001 . “ Permian and Triassic tetrapod ichnofaunal units of Northern Italy, potential contribution to continental biochronology ” . In Permian continental deposits of Europe and other areas. Regional reports and correlations , Edited by: Cassinis , G. Vol. 25 , 89 – 107 . Monografia : Natura Bresciana .
   Google Scholar
• Bailly , J.P. , Girardi , H. and Moulet , P. 1987 . Craspedacusta sowerbyi Lank., 1880 (hydrozoaire), une station nouvelle dans le sud-est de la France et données écologiques complémentaires sur cette méduse . Bulletin de la Société Linnéenne , 6 : 192 – 198 .
   Google Scholar
• Blieck , A. , with contributions of Conti , M.A. , Flügel , H.W. , Gand , G.M. , Lelievre , H. , Mariotti , N. , Nicosia , U. , Poplin , C. , Schneider , J.W. and Werneburg, , R. 1995 . The Alps, a quasi-desert in Palaeozoic vertebrate database, and the Gondwana-Laueuropa palaeogeographic relationships . Ichthyological Issue , 15 : 8 – 13 .
   Google Scholar
• Blieck , A. , Conti , M. A. , Dalla Vecchia , F. M. , Flügel , H.W. , Gand , G. , Hubmann , B. , Lelievre , H. , Mariotti , N. , Nicosia , U. , Poplin , C. , Schneider , J.W. and Werneburg , R. 1997 . Palaeozoic vertebrates of the Alps: A review . Bulletin de la Societé Géologique de France , 168 : 343 – 350 .
   Google Scholar
• Bonsignore , G. , Casati , P. , Crespi , R. , Fagnani , G. , Liborio , G. , Montrario , A. , Mottana , A. , Ragni , U. , Schiavinato , G. and Venzo , S. 1971 . “ Note illustrative della Carta Geologica d’Italia alla scala 1:100000, Fogli 7 e 18 Pizzo Bernina e Sondrio. Ministero Industria ” . In Commercio e Artigianato, Direzione Generale delle Miniere, Servizio Geologico d’Italia , Roma : Nuova Tecnica Grafica .
   Google Scholar
• Broglio Loriga , C. , Neri , C. , Pasini , M. and Posenato , R. 1988 . “ Marine fossil assemblages from Upper Permian to Lowermost Triassic in the Western Dolomites ” . In Permian and Permian-Triassic boundary in the South-Alpine segment of the Western Tethys, and additional regional reports , Edited by: Cassinis , G. Vol. 34 , 5 – 44 . Memorie della Società Geologica Italiana . (1986)
   Google Scholar
• Cadel , G. , Cosi , M. , Pennacchioni , G. and Spalla , M.J. 1996 . A new map of the Permo-Carboniferous cover and variscan metamorphic basement in the Central Orobic Alps, Southern Alps-Italy: structural and stratigraphic data . Memorie di Scienze Geologiche Padova , 48 : 1 – 53 .
   Google Scholar
• Casati , P. 1967 . “ Rapporti tra il basamento cristallino e le formazioni del Permiano presso Introbbio in Valsassina (Lombardia). Rendiconti dell’Istituto Lombardo ” . In Accademia di Scienze e Lettere Vol. A 101 , 866 – 872 .
   Google Scholar
• Casati , P. 1969 . Strutture della Formazione di Collio (Permiano inferiore) nelle Alpi Orobie . Natura , 60 : 301 – 312 . [CSA]
   Google Scholar
• Casati , P. and Gnaccolini , M. 1965 . Una nuova formazione paleozoica dell’alta Val Brembana: la Formazione di Ponteranica . Rivista Italiana di Paleontologia e Stratigrafia , 70 : 791 – 804 . [CSA]
   Google Scholar
• Casati , P. and Gnaccolini , M. 1967 . Geologia delle Alpi Orobie occidentali . Rivista Italiana di Paleontologia e Stratigrafia , 73 : 25 – 162 . [CSA]
   Google Scholar
• Casati , P. and Forcella , F. 1988 . Alpi Orobie . Il Bollettino CAI-Annuario del Comitato Scientifico Centrale , 87 : 81 – 86 . [CSA]
   Google Scholar
• Cassinis , G. 1966a . Rassegna delle formazioni permiane dell’alta Val Trompia (Brescia) . Atti Istituto Geologico dell’Università di Pavia , 17 ( 1965–66 ) : 50 – 66 . [CSA]
   Google Scholar
• Cassinis , G. 1966b . La Formazione di Collio nell’area-tipo dell’alta Val Trompia (Permiano inferiore bresciano) . Rivista Italiana di Paleontologia e Stratigrafia , 72 : 507 – 588 . [CSA]
   Google Scholar
• Cassinis , G. 1999 . “ Permian stratigraphy in the western Collio Basin. 4. Chrono-stratigraphical data and interpretation. In ” . In Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites. Field trip guidebook, International Congress on: “The Continental Permian of the Southern Alps and Sardinia (Italy). Regional reports and general correlations” Edited by: Cassinis , G. , Cortesogno , L. , Gaggero , L. , Massari , F. , Neri , C. , Nicosia , U. and Pittau , P. 69 – 71 . Brescia 15–25 September
   Google Scholar
• Cassinis , G. 2003 . Towards a stratigraphic reference table for the continental Permian of Italy . Bollettino della Società Geologica Italiana, Volume Speciale , 2 : 153 – 168 . [CSA]
   Google Scholar
• Cassinis , G. and Doubinger , J. 1991 . On the geological time of the typical Collio and Tregiovo continental beds in the Southalpine Permian (Italy), and some additional observations . Atti Ticinensi di Scienze della Terra , 34 : 1 – 20 . [CSA]
   Google Scholar
• Cassinis , G. and Doubinger , J. 1992 . “ Artinskian to Ufimian palynomorph assemblages from the Central Southern Alps, Italy and their regional stratigraphic implications. In ” . In Contributions to Eurasian Geology, International Congress on Permian System of the World, Perm, Russia, 1991, Occasional Publication ESRI New Series 8b , Edited by: Nairn , A.E.M. and Koroteev , V. 9 – 18 . Columbia University of South Carolina . Part I
   Google Scholar
• Cassinis , G. and Neri , C. 1990 . Collio and Tregiovo Permian continental basins (Southern Alps, Italy): a general comparison . Atti Ticinensi di Scienze della Terra , 33 : 11 – 15 . [CSA]
   Google Scholar
• Cassinis , G. and Neri , C. 1999 . “ Hypothesis on the nature of tectonic control on Permian sedimentation and magmatic activity. In ” . In Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites. Field trip guidebook, International Congress on: “The Continental Permian of the Southern Alps and Sardinia (Italy). Regional reports and general correlations,” Edited by: Cassinis , G. , Cortesogno , L. , Gaggero , L. , Massari , F. , Neri , C. , Nicosia , U. and Pittau , P. 10 – 11 . Brescia 15–25 September
   Google Scholar
• Cassinis , G. and Perotti , C.R. 1994 . Interazione strutturale permiana tra la Linea delle Giudicarie ed i Bacini di Collio, Tione e Tregiovo (Sudalpino centrale, N. Italia) . Bollettino della Società Geologica Italiana , 112 ( 1993 ) : 1021 – 1036 . [CSA]
   Google Scholar
• Cassinis , G. and Ronchi , A. 2001 . “ Permian chronostratigraphy of the Southern Alps (Italy)—an update. Contribution to Geology and Palaeontology of Gondwana in honour of Helmut Wopfner ” . 73 – 87 . Cologne
   Google Scholar
• Cassinis , G. and Santi , G. 2001 . Hanns Bruno Geinitz: a pioneer of the Permian stratigraphy of eastern Lombardy (Southern Alps, Italy) . Geologica Saxonica , 46/47 : 73 – 82 . [CSA]
   Google Scholar
• Cassinis , G. , Massari , F. , Neri , C. and Venturini , C. 1988 . The continental Permian in the Southern Alps (Italy). A review . Zeitschrift Geologische Wissenshaftliche , 16 : 1117 – 1126 . [CSA]
   Web of Science ®Google Scholar
• Cassinis , G. , Nicosia , U. , Ronchi , A. and Santi , G. 2000 . Impronte di tetrapodi nel Permiano orobico e loro implicazioni stratigrafiche. Nota preliminare . Rendiconti dell’Istituto Lombardo Accademia di Scienze e Lettere , : 1 – 2 . 197 – 217 . B 132 (1998)[CSA]
   Google Scholar
• Cassinis , G. , Nicosia , U. , Lozovsky , V.R. and Gubin , Y.M. 2002 . A view on the Permian continental stratigraphy of the Southern Alps, Italy, and general correlation with the Permian of Russia . Permophiles , 40 : 4 – 16 . [CSA]
   Google Scholar
• Cassinis , G. , Cortesogno , L. , Gaggero , L. , Massari , F. , Neri , C. , Nicosia , U. and Pittau , P. 1999 . “ Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites. Field trip guide-book International Congress on: “The continental Permian of the Southern Alps and Sardinia (Italy). Regional reports and general correlations” . 157 Brescia 15–25 September 1999
   Google Scholar
• Ceoloni , P. , Conti , M.A. , Mariotti , N. , Mietto , P. and Nicosia , U. 1987 . Tetrapod footprints from Collio Formation (Lombardy, Northern Italy) . Memorie di Scienze Geologiche Padova , 39 : 213 – 233 . [CSA]
   Google Scholar
• Cita , M.B. and Forcella , F. 1998 . “ Alpi e Prealpi Lombarde, 35 escursioni a piedi. Vol. 1/2, Bema Editrice ” . 318 Milano
   Google Scholar
• Cojin , J. 1928 . De Geologie van de Valli di Omo al Grembo . Leidse Geologische Mededeling , 2 : 251 – 324 . [CSA]
   Google Scholar
• Confortini , F. , Decarlis , A. , Krieger , C. , Malzanni , M. and Santi , G. 2002 . Further news to the Lower Permian palaeoichnology of the Brembana Valley (Orobic Basin, Southalpine) . Bollettino della Società Ticinese di Scienze Naturali Lugano , 90 : 1 – 2 . 39 – 44 . [CSA]
   Google Scholar
• Conti , M.A. , Mariotti , N. , Mietto , P. and Nicosia , U. 1991 . Nuove ricerche sugli icnofossili della Formazione di Collio in Val Trompia (Brescia) . Natura Bresciana. Annali del Museo Civico di Storia Naturale Brescia , 26 ( 1989 ) : 109 – 119 . [CSA]
   Google Scholar
• Conti , M.A. , Mariotti , N. , Nicosia , U. and Pittau , P. 1997 . “ Selected bioevents succession in the continental Permian of the Southern Alps (Italy): improvements of intrabasinal and interregional correlations ” . In Late Palaeozoic and Early Mesozoic Circum-Pacific Events and their global correlation , Edited by: Dickins , J. M. , Yang, Zunyi, Yin, Hongfu, Lucas , S. G. and Acharyya , S. K. 51 – 65 . Cambridge University Press, Cambridge .
   Google Scholar
• Conti , M.A. , Mariotti , N. , Manni , R. and Nicosia , U. 1999 . “ Tetrapod footprints in the Southern Alps: an overview ” . In Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites. Field trip guidebook, International Congress on: “The Continental Permian of the Southern Alps and Sardinia (Italy) , Edited by: Cassinis , G. , Cortesogno , L. , Gaggero , L. , Massari , F. , Neri , C. , Nicosia , U. and Pittau , P. 137 – 138 . 15–25 September : Regional reports and general correlations,” Brescia .
   Google Scholar
• Demathieu , G. , Gand , G. and Toutin Morin , N. 1992 . La palichnofaune des bassin permiens provencaux . Geobios , 25 : 19 – 54 . [CSA]
   Web of Science ®Google Scholar
• De Sitter , L. U. and De Sitter-Koomans , C. M. 1949 . Geology of the Bergamasc Alps, Lombardy, Italy . Leidse Geologische Mededeling , 14 : 1 – 257 . [CSA]
   Google Scholar
• Dickins , J.M. 1993 . Climate of the Late Devonian to Triassic . Palaeogeography, Palaeoclimatology, Palaeoecology , 100 : 89 – 94 . [CROSSREF] [CSA]
   Web of Science ®Google Scholar
• Dorsmann-Crommelin , R. 1932 . La géologie de la Valsassina et de la region adiacente au Nord . Leidse Geologische Mededeling, D1 , IV : 403 – 459 . [CSA]
   Google Scholar
• Dozy , J.J. 1935 . Einige Tierfärhten aus dem Unteren Perm der Bergamasker Alpen . Paläontogische Zeitschrift , 17 : 45 – 55 . [CSA]
   Google Scholar
• Forcella , F. , Sciunnach , D. and Siletto , G.B. 2001 . “ The Lower Permian in the Orobic Anticlines (Lombardy, Southern Alps): criteria for field mapping towards a stratigraphic revision of the Collio Formation ” . In Permian continental deposits of Europe and other areas. Regional reports and correlations , Edited by: Cassinis , G. Vol. 25 , 51 – 57 . Monografia : Natura Bresciana .
   Google Scholar
• Freytet , P. , Kerp , H. and Broutin , J. 1996 . Permian freshwater stromatolites associated with conifer shoots Cassinisia orobica Kerp et al.,—a very peculiar type of fossilisation . Revue Palaeobotany Palynology , 91 : 85 – 105 . [CROSSREF] [CSA]
   Web of Science ®Google Scholar
• Gand , G. 1987 . “ Les traces de vertébrés du Permien français (paléontologie, stratigraphie, paléoenvironnements). Thèse de Doctorat d’Etat des Sciences Naturelles ” . 341 Dijon : Université de Bourgogne, Edit. Centre des Sciences de la Terre .
   Google Scholar
• Gand , G. , Garric , J. , Schneider , J. , Sciau , J. and Walter , H. 1996 . Biocoenoses à méduses du Permien Français (Bassin de Saint-Affrique, Massif Central) . Geobios , 29 : 370 – 400 . [CROSSREF] [CSA]
   Google Scholar
• Geinitz , H.B. 1861 . “ Dyas oder die Zechsteinformation und das Rothliegende, H.I. Die animalischen Überreste des Dyas XVIII ” . 130 Leipzig : Engelmann .
   Google Scholar
• Gianotti , R. , Daccò , G. , Droghi , D. and Santi , G. 2001 . La successione permiana fra la Valle Pescegallo e la Val Varrone (Lombardia). Stratigrafia e tettonica . Atti Ticinensi di Scienze della Terra , 42 : 125 – 140 . [CSA]
   Google Scholar
• Gianotti , R. , Morini , S. , Mottalini , G. and Santi , G. 2002 . La successione Permiana e Triassica tra la Rocca di Pescegallo ed il Lago Valmora (Lombardia, Bacino Orobico). Stratigrafia e paleontologia . Atti Ticinensi di Scienze della Terra , 43 : 55 – 72 . [CSA]
   Google Scholar
• Golonka , J. and Ford , D. 2000 . Pangean (Late Carboniferous-Middle Jurassic) palaeoenvironments and lithofacies . Palaeogeography, Palaeoclimatology, Palaeoecology , 161 : 1 – 34 . [CROSSREF] [CSA]
   Web of Science ®Google Scholar
• Gradstein , F.M. and Ogg , J. 1986 . A Phanerozoic time scale. Episodes Vol. 19 , 3 – 4 . Nottingham
   Google Scholar
• Gümbel von , C.W. 1880 . “ Geognostiche Mitteilungen aus den Alpen. VI. Ein geognosticher Streifzug durch die Bergamasker Alpen. Sitzungsbericht. Kommission Akademie Wissenschaften München ” . In Mathematisch naturwissenschaftliche Vol. 10 , 164 – 240 . Klasse
   Google Scholar
• Harland , W.B. , Armstrong , R.I. , Cox , A.V. , Craig , L.E. , Smith , A.G. and Smith , D.G. 1990 . A geological time scale. (1989) , Cambridge : Cambridge University Press .
   Google Scholar
• Haubold , H. 1970 . “ Versuch der Revision der Amphibien-Fährten des Karbon und Perm ” . In Freiberger Forschungshefte Vol. H., C260 , 83 – 117 .
   Google Scholar
• Haubold , H. 1971 . “ Ichnia Amphibiorum et Reptiliorum fossilium ” . In Handbuch der Palaeoherpetologie. G. Fisher-Verlag, 18 , Edited by: Kuhn , O. 124 USA : Stuttgart-Portland .
   Google Scholar
• Haubold , H. 1996 . Ichnotaxonomie und Klassification von Tetrapodenfährten aus dem Perm . Hallesches Jahrbuch Geowissenschaftlich , B18 : 23 – 88 . [CSA]
   Google Scholar
• Haubold , H. 2000 . Tetrapodenfährten aus dem Perm-Kenntnisstand und Progress 2000 . Hallesches Jahrbuch Geowissenschaftlich , B 22 : 1 – 16 . [CSA]
   Google Scholar
• Haubold , H. and Lucas , S.G. 1999 . “ Early Permian tetrapod tracks-Preservation, taxonomy, and Euramerican distribution ” . In Journal of Vertebrate Paleontology Vol. 19 , 49A – 50 A . (Suppl to n. 3)
   Google Scholar
• Haubold , H. and Lucas , S.G. 2001 . Die Tetrapodenfährten der Choza Formation (Texas) und das Artinsk-Alter der Redbed-Ichnofaunen des Unteren Perm . Hallesches Jahrbuch Geowissenschaftlich , B 23 : 79 – 108 . [CSA]
   Google Scholar
• Haubold , H. and Lucas , S.G. 2003 . Tetrapod footprints of the Lower Permian Xchoza Formation at Castle Peak, Texas . Paläontologische Zeitschrift , 77 : 247 – 261 . [CSA]
   Google Scholar
• Haubold , H. and Stapf , H. 1998 . The Early Permian tetrapod track assemblage of Nierstein, Standen-bühl Beds, Rotliegend, Saar-Nahe Basin, SW Germany . Hallesches Jahrbuch Geowissenschaftlich , B : 17 – 32 . [CSA]
   Google Scholar
• Haubold , H. , Hunt , A.P. , Lucas , S.G. and Lockley , M.G. 1995 . “ Wolfcampian (Early Permian) vertebrate tracks from Arizona and New Mexico ” . In Early Permian footprints and facies , Edited by: Lucas , S. G. and Heckert , A. B. 165 New Mexico Museum Natural History and Sciences Bulletin, 6:135– 165 .
   Google Scholar
• Hertweck , G. 1966 . Möglichkeiten des Fossilwerdens von Quallen, im Experiment . Natur und Museum , 96 : 456 – 462 . [CSA]
   Google Scholar
• Italian IGCP Group 203 . 1986 . “ Field guide-book of Permian and Permian-Triassic boundary in the South-Alpine segment of the western Tethys. Project n. 203, SGI, Brescia ” . 180 Pavia : July 1986 Tipolitografia Commerciale Pavese .
   Google Scholar
• Jadoul , F. , Forcella , F. , Bini , A. and Ferliga , C. 2000 . Carta geologica della Provincia di Bergamo. A cura di: Servizio Territorio della Provincia di Bergamo , Dipartimento di Scienze della Terra dell’Università di Milano- Centro di Studio per la geodinamica alpina e del Quaternario del C.N.R. .
   Google Scholar
• Jong , W.J. 1928 . Zur Geologie der Bergamasker Alpen, Nordlisch des Val Stabina . Leidse Geologische Mededeling , 3 : 49 – 104 . [CSA]
   Google Scholar
• Kerp , H. , Penati , F. , Brambilla , G. , Clement-Westerhof , J.A. and Van Bergen , P.F. 1996 . Aspects of Permian palaeobotany and palynology. XVI. Three-dimensionally preserved stromatolite-incrusted conifers from the Permian of the Western Orobic Alps (northern Italy) . Review of Palaeobotany and Palynology , 91 : 63 – 84 . [CROSSREF] [CSA]
   Web of Science ®Google Scholar
• Klompé , Th.H.F. 1929 . Die Geologie des Val Mora und des Val Brembo di Mezzoldo . Leidse Geologische Mededeling , 3 : 229 – 313 . [CSA]
   Google Scholar
• Kozur , H. 1989 . Bericht. The Permian-Triassic boundary in marine and continental sediments . Zentrallblatt für Geologie und Paläontologie , 1 ( 1988 ) : 1245 – 1277 . [CSA]
   Google Scholar
• Lankester , E.R. 1880 . On Limnocodium (Craspedacusta) sowerbii, a new Trachomedusa inhabiting freshwater . Quarterly Journal of Microscopic Science , 20 : 351 – 371 . [CSA]
   Google Scholar
• Lockley , M.G. and Meyer , C.A. 2000 . “ Dinosaur tracks and other fossil footprints of Europe ” . 323 New York : Columbia University Press .
   Google Scholar
• Lockley , M.G. , Hunt , A.P. and Meyer , C.A. 1994 . “ Vertebrate tracks and the ichnofacies concept: implications for palaeoecology and palichnostratigraphy ” . In The Paleobiology of trace fossils , Edited by: Donovan , S. K. 241 – 268 . New York : Wiley and Sons .
   Google Scholar
• Lucas , S.G. 1998 . Permian tetrapod biochronology . Permophiles , 32 : 17 – 23 . [CSA]
   Google Scholar
• Massari , F. and Neri , C. 1994 . The infill of a supradetachement (?) basin: the continental to shallow-marine Upper Permian succession in the Dolomites and Carnia (Italy) . Sedimentary Geology , 110 : 181 – 221 . [CROSSREF] [CSA]
   Google Scholar
• Massari , F. , Conti , M.A. , Fontana , D. , Helmold , K. , Mariotti , N. , Neri , C. , Nicosia , U. , Ori , G.G. , Pasini , M. and Pittau , P. 1988 . The Val Gardena Sandstone and the Bellerophon Formation in the Bletterbach Gorge (Alto Adige, Italy): biostratigraphy and sedimentology . Memorie di Scienze Geologiche Padova , 40 : 229 – 273 . [CSA]
   Google Scholar
• Massari , F. , Neri , C. , Pittau , P. , Fontana , D. and Stefani , C. 1994 . Sedimentology, palynostratigraphy and sequence stratigraphy of a continental to shallow marine rift-related succession: Upper Permian of the eastern Southern Alps (Italy) . Memorie di Scienze Geologiche Padova , 46 : 119 – 243 . [CSA]
   Google Scholar
• McKeever , P.J. and Haubold , H. 1996 . Reclassification of vertebrate trackways from the Permian of Scotland and related forms from Arizona and Germany . Journal of Paleontology , 70 : 1011 – 1022 . [CSA]
   Web of Science ®Google Scholar
• Melzi , G. 1891 . Ricerche microscopiche sulle rocce del versante valtellinese della Catena Orobica . Giornale di Mineralogia Cristallografia e Petrografia , 2 : 1 – 34 . [CSA]
   Google Scholar
• Menning , M. 1995 . “ A numerical time scale for the Permian and Triassic Periods: an integrated time analysis ” . In The Permian of Northern Pangea , Edited by: Scholle , P. A. , Peryt , T. M. and Ulmer-Scholle , D. S. 77 – 97 . Vol. 1. Springer-Verlag, New York .
   Google Scholar
• Menning , M. 2001 . “ A Permian time-scale 2000 and correlation of marine and continental sequences using the Ilawarra Reversal (265 Ma) ” . In Permian continental deposits of Europe and other areas. Regional reports and correlations , Edited by: Cassinis , G. Vol. 25 , 355 – 362 . Monografia : Natura Bresciana .
   Google Scholar
• Moodie , R.L. 1929 . Vertebrate footprints from the Red Beds of Texas . American Journal of Science , 5 : 352 – 368 . [CSA]
   Google Scholar
• Moodie , R.L. 1930 . Vertebrate footprints from the Red Beds of Texas. II . American Journal of Science , 38 : 548 – 565 . [CSA]
   Google Scholar
• Müller , A.H. 1982 . Weitere Hydromedusen (Coelenterata) und medosoiden Problematika aus dem Rotliegenden von Mitteleuropa . Freiberger Forschungshefte , C395 : 82 – 95 . [CSA]
   Google Scholar
• Nicosia , U. , Ronchi , A. and Santi , G. 2000 . Permian tetrapod footprints from W Orobic Basin (Northern Italy). Biochronological and evolutionary remarks . Geobios , 33 : 753 – 768 . [CROSSREF] [CSA]
   Web of Science ®Google Scholar
• Odin , G.S. 1994 . Geological time scale (1994) . Compte Rendue de l’ Académie de Sciences de Paris, série II , 318 : 59 – 71 . [CSA]
   Google Scholar
• Odin , G.S. and Odin , C. 1990 . Échelle numérique des temps géologiques . Géochroniques Paris , 35 : 12 – 21 . [CSA]
   Google Scholar
• Ori , G.G. 1988 . “ The nature of Permian rivers ” . In Permian and Permian-Triassic boundary in the South-Alpine segment of the Western Tethys, and additional regional reports , Edited by: Cassinis , G. Vol. 34 , 155 – 160 . Italiana : Memorie della Società Geologica .
   Google Scholar
• Parrish , J.T. 1993 . Climate of the Supercontinent Pangaea . Journal of Geology , 101 : 215 – 233 . [CSA]
   Web of Science ®Google Scholar
• Perotti , C.R. 1999 . “ Permian tectonics in the Central Southern Alps. In ” . In Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites. Field trip guidebook, International Congress on: “The Continental Permian of the Southern Alps and Sardinia (Italy). Regional reports and general correlations” Edited by: Cassinis , G. , Cortesogno , L. , Gaggero , L. , Massari , F. , Neri , C. , Nicosia , U. and Pittau , P. 19 – 20 . Brescia 15–25 September
   Google Scholar
• Pohlig , H. 1892 . “ Altpermische Saurierfährten, Fische und Medusen der Gegend von Friedrichroda. Festschrift zum 70 ” . In Geburtstag Rudolf Leuckarts 59 – 64 .
   Google Scholar
• Porro , C. 1897 . Cenni preliminari ad un rilievo geologico delle Alpi Orobiche (Valsassina e Pizzo dei Tre Signori) . Rendiconti del Regio Istituto Lombardo Accademia di Scienze e Lettere , XXX : 619 – 633 . [CSA]
   Google Scholar
• Porro , C. 1903 . Alpi Bergamasche. Carta geologica rilevata dal 1895 al 1901, scala 1:100000 e note illustrative della Carta geologica e delle sezioni , opuscolo : Tipografia degli Operai .
   Google Scholar
• Porro , C. 1931 . Rapporti fra gli scisti cristallini a sud-est di Gerla e le formazioni permiane (Catena Orobica) . Rendiconti del Regio Istituto Lombardo Accademia di Scienze e Lettere, serie 2 , 64 : 771 – 787 . [CSA]
   Google Scholar
• Porro , C. 1932 . Dal Pizzo dei Tre Signori al Monte Ponteranica (Alpi Valtellinesi). Studio geologico . Memorie Rendiconti del Regio Istituto Lombardo Accademia di Scienze e Lettere , 22 : 253 – 404 . [CSA]
   Google Scholar
• Remy , W. and Remy , R. 1978 . Die Flora des Perms im Trompia-Tal und die Grenze Saxon/Thuring in dem Alpen . Argumenta Palaeobotanica , 5 : 57 – 90 . [CSA]
   Google Scholar
• Rolando , J.P. 1988 . Sédimentologie et stratigraphie du bassin permien de St-Affrique (Aveyron, France). Un exemple de bassin alluvial contrôlé par la tectonique extensive . Thèse Université Paul Sabatier , : 265 [CSA]
   Google Scholar
• Ronchi , A. and Santi , G. 2003 . Non-marine biota from the Lower Permian of the central Southern Alps (Orobic and Collio basins, N Italy): a key to the paleoenvironment . Geobios , 36 : 749 – 760 . [CROSSREF] [CSA]
   Web of Science ®Google Scholar
• Ronchi , A. and Santi , G. 2005 . Playa-to-lacustrine episodes and associated biofacies from the Lower Permian of the Orobic Basin (Southern Alps, Italy). Permian and Triassic playas Symposium , vol. 23–24 , 10 – 12 . Montpellier . May 2005. Abstract
   Google Scholar
• Ronchi , A. , Santi , G. and Confortini , F. 2005 . Biostratigraphy and facies in the continental deposits of the Lower Permian sedimentary deposits in the Trabuchello-Cabianca Anticline (Orobic Basin, Southern Alps, Italy) . In Lucas, S. G. and Ziegler, K. E. The Nonmarine Permian. New Mexico Museum Natural History and Science Bulletin , 30 : 273 – 281 . [CSA]
   Google Scholar
• Santi , G. 2001 . “ Icniti di tetrapodi permiani dell'area bergamasca del Bacino Orobico. Nota preliminare ” . In Rendiconti dell'Istituto Lombardo Accademia di Scienze e Lettere B Vol. 133 , 41 – 50 . (1999)
   Google Scholar
• Santi , G. 2003 . “ Early Permian tetrapod ichnology from the Orobic Basin (Southern Alps-Northern Italy). Data, problems, hypotheses ” . In Bollettino della Società Geologica Italiana Volume Speciale Vol. 2 , 59 – 66 .
   Google Scholar
• Santi , G. 2004 . “ Tetrapod footprints in the Lower Permian of Southalpine (Northern Italy): is it different Camunipes from Erpetopus and Varanopus? 32 nd International ” . 579 Geological Congress . Abstract vol., pt. 1, Abstract 128–16:
   Google Scholar
• Santi , G. in press . A short critique of the ichnotaxonomic dualism Camunipes-Erpetopus, Lower Permian ichnogenera from Europe and North America . Ichnos (This volume). , [CSA]
   Google Scholar
• Santi , G. and Krieger , C. 1999 . Nuove impronte di tetrapodi permiani dalla Valle dell'Inferno (Lombardia-Italia Settentrionale). Osservazioni sistematiche e biocronologiche . Geologia Insubrica , 4 : 27 – 33 . [CSA]
   Google Scholar
• Santi , G. and Krieger , C. 2001 . Lower Permian tetrapod footprints from Brembana Valley—Orobic Basin- (Lombardy, Northern Italy) . Revue de Paléobiologie Genève , 20 : 45 – 68 . [CSA]
   Google Scholar
• Santi , G. and Krieger , C. 2003 . “ Invertebrate traces fossils from the “upper” Collio Formation (Lower Permian) of the Valtellina area (Orobic Basin ” . In Southalpine Northern Italy). An observation. Batalleria Vol. 11 , 75 – 80 . (2002–2003)
   Google Scholar
• Schäfer , W. 1941 . Fossilisations Bedingungen von Quallen und Laichen . Seckenbergiana , 23 : 189 – 216 . [CSA]
   Google Scholar
• Schaltegger , U. and Brack , P. 1999 . “ Radiometric age constraints on the formation of the Collio Basin (Brescian Prealps). In ” . In Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites. Field trip guidebook, International Congress on: “The Continental Permian of the Southern Alps and Sardinia (Italy). , Edited by: Cassinis , G. , Cortesogno , L. , Gaggero , L. , Massari , F. , Neri , C. , Nicosia , U. and Pittau , P. Brescia : Regional reports and general correlations,” . 15–25 September: 71
   Google Scholar
• Schmidtgen , O. 1928 . Eine neue Fährtenplatte aus dem Rotliegenden von Nierstein am Rhein . Palaeobiologica , 1 : 245 – 252 . [CSA]
   Google Scholar
• Sciunnach , D. 2001 . The Lower Permian in the Orobic Anticline (Southern Alps, Lombardy): a review based on new stratigraphic and petrographic data . Rivista Italiana di Paleontologia e Stratigrafia , 107 : 47 – 68 . [CSA]
   Web of Science ®Google Scholar
• Silan , P. 1988 . Craspedacusta, la méduse d’eau douce . Le Courrier de la Nature , 117 : 36 – 392 . [CSA]
   Google Scholar
• Swanson , B. A. and Carlson , K. J. 2002 . Walk, wade, or swim? Vertebrate traces on an Early Permian lakeshore . Palaios , 17 : 123 – 133 . [CSA]
   Web of Science ®Google Scholar
• Visscher , H. , Kerp , H. , Clement-Westerholf , J.A. and Looy , C.V. 2001 . “ Permian floras of the Southern Alps ” . In Permian continental deposits of Europe and other areas. Regional reports and correlations , Edited by: Cassinis , G. 117 – 123 . Natura Bresciana Monografia 25, Brescia .
   Google Scholar
• Walcott , C. 1898 . Fossil Medusae. Monograph United States . Geological Survey , 30 : 201 [CSA]
   Google Scholar
• Wennekers , J. H.L. 1930 . De Geologie venhet Val Brembo di Foppolo ende Valle di Carisole . Leidse Geologische Mededeling , 3 : 25 – 334 . [CSA]
   Google Scholar