Characterization of two new superorders Nautilosiphonata and Calciosiphonata and a new order Cyrtocerinida of the subclass Nautiloidea; siphuncular structure in the Ordovician nautiloid Bathmoceras (Cephalopoda)

References

• Angelin, N.P. & Lindström, G., 1880: Fragmenta Silurica o dono Caroli Henrici Wegelin. Samson & Wallin, Holmiae, Stockholm, 60 p.
   Google Scholar
• Barrande, J., 1865: Systeme Silurien du centre de la Bohême, Premiére Partie, Recherches paléontologiques, vol 1 Classe des Mollusques, Ordre des Céphalopodes. Published by Author, Prague, Paris.
   Google Scholar
• Chen, J.Y. & Teichert, C., 1987: The Ordovician cephalopod suborder Cyrtocerinina (Order Ellesmerocerida). Paleontologia Cathayana 3, 145–229.
   Google Scholar
• Cichowolski, M., Waisfeld, B.G., Vaccari, N.E. & Marengo, L., 2014: The nautiloid family Eothinoceratidae from the Florian of the Central Andean Basin (NW Argentina and South Bolivia). Geological Journal, doi:10.1002/gj.2595.
   Google Scholar
• Evans, D.E. & King, A.H., 1990: The affinities of early oncocerid nautiloids from the Lower Ordovician of Spitsbergen and Sweden. Palaeontology 33, 623–630.
   Web of Science ®Google Scholar
• Flower, R.H., 1946: Ordovician cephalopods from the Cinncinati Region, Part 1. Bulletins of American Paleontology 29, 556.
   Google Scholar
• Flower, R.H., 1957: Studies of the Actinoceratida. New Mexico Institute of Mining and Technology Memoire 2, 100 p.
   Google Scholar
• Flower, R.H., 1964: The nautiloid order Ellesmeroceratida (Cephalopoda). New Mexico Institute of Mining and Technology Memoire 12, 234.
   Google Scholar
• Gill, T., 1871: Arrangement of the families of the Mollusca. Smithsonian Miscellaneous Collections 227, 49.
   Google Scholar
• Hewitt, R.A. & Stait, B., 1985: Phosphatic connecting rings and ecology of an Ordovician ellesmerocerid nautiloid. Alcheringa: An Australasian Journal Of Palaeontology 9 (3), 229–243. doi:10.1080/03115518508618970.
   Google Scholar
• Holm, G., 1899: Paleontologiska notiser: om Bathmoceras. Geologiska Föreningens i Stockholm Förhandlingar 21, 271–305.
   Google Scholar
• Jaanusson, V. & Mutvei, H., 1982: Ordovician of Öland. IV International Symposium on the Ordovician System, Oslo 1982. Guide to Excursion 3, 23 p. 378.
   Google Scholar
• Kröger, B., 2004: Revision of Middle Ordovician orthoceratacean nautiloids from Baltoscandia. Acta Palaeontologica Polonica 49, 57–74.
   Web of Science ®Google Scholar
• Kröger, B., 2006: Early growth-stages and classification of orthoceridan Cephalopods of the Darriwillian (Middle Ordovician) of Baltoscandia. Lethaia 39, 129–139.
   Web of Science ®Google Scholar
• Kröger, B., 2012: The Vaginaten: the dominant cepahlopods of the Baltoscandian Mid Ordovician endocerid limestone. GFF 134, 115–132.
   Web of Science ®Google Scholar
• Kröger, B., 2013: Cambrian-Ordovician cephalopod palaeogeography and diversity. In T. Cervais & D.A.T. Harper (eds.): Early Palaeozoic Biogeography and Palaeogegraphy, 428–429. The Geological Society of London, London.
   Google Scholar
• Kröger, B. & Mutvei, H., 2005: Nautiloids with multiple paired muscle scars from Lower-Middle Ordovician of Baltoscandia. Palaeontology 48, 781–791.
   Web of Science ®Google Scholar
• Kröger, B. & Landing, E., 2008: Onset of the Ordovician cephalopod radiation – evidence from the Rochdale Formation (middle Early Ordovician, Stairsian) in eastern New York. Geological Magazine 145, 490–520.
   Web of Science ®Google Scholar
• Kröger, B., Servais, T. & Zhang, Y., 2009a: The origin and initial rise of pelagic cephalopods in the Ordovician. PLoS ONE 4 (9), 1–13.
   Web of Science ®Google Scholar
• Kröger, B., Zhang, Y. & Isakar, M., 2009b: Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42, 273–292.
   Web of Science ®Google Scholar
• Mutvei, H., 1996: Characterization of actinoceratoid cephalopods by their siphuncular structure. Lethaia 29 (4), 339–348. doi:10.1111/j.1502-3931.1996.tb01669.x.
   Web of Science ®Google Scholar
• Mutvei, H., 1998: Siphuncular structure in a Silurian narthecoceratid nautiloid cephalopod from the Island of Gotland. Geologiska Föreningens i Stockholm Förhandlingar 120, 375–378.
   Google Scholar
• Mutvei, H., 2002a: Nautiloid systematics based on siphuncular structure and position of muscle scars. Abhandlungen der geologischen Bundesanstalt 57, 379–392.
   Google Scholar
• Mutvei, H., 2002b: Connecting ring structure and its significance for classification of the orthoceratid cephalopods. Palaeontologica Polonica 47, 157–168.
   Google Scholar
• Mutvei, H., 2011: Silurian oncocerid Octamerella (cephalopoda) from Gotland, Sweden. GFF 133 (3-4), 125–133. doi:10.1080/11035897.2011.614956.
   Web of Science ®Google Scholar
• Mutvei, H., 2012: Siphuncular structure in Silurian discosorid and ascocerid nautiloids (Cephalopoda) from Gotland, Sweden: implications for interpretation of mode of life and phylogeny. GFF 134 (1), 27–37. doi:10.1080/11035897.2012.654507.
   Web of Science ®Google Scholar
• Mutvei, H., 2013: Characterization of nautiloid orders Ellesmerocerida, Oncocerida, Tarphycerida, Discosorida and Ascocerida: new superorder Multiceratoidea. GFF 135 (2), 171–183. doi:10.1080/11035897.2013.801034.
   Web of Science ®Google Scholar
• Mutvei, H. & Stumbur, H., 1971: Remarks on the Genus Pictetoceras (Cephalopoda: Ellesmerocerida). Bulletin of the Geological Institutions of the University of Uppsala NS 2, 117–122.
   Google Scholar
• Mutvei, H. & Dunca, E., 2011: Siphuncular structure in the orders Tarphycerida and Barrandeocerida (Cephalopoda: Nautiloidea). Palaeontology 54 (3), 705–710. doi:10.1111/j.1475-4983.2011.01041.x.
   Web of Science ®Google Scholar
• Mutvei, H., Zhang, Y.B. & Dunca, E., 2007: Late Cambrian plectronocerid nautiloids and their role in cephalopod evolution. Palaeontology 50 (6), 1327–1333. doi:10.1111/j.1475-4983.2007.00708.x.
   Web of Science ®Google Scholar
• Mutvei, H., Dunca, E. & Weitschat, W., 2010: Siphuncular structure in the Recent Nautilus, compared with that in Mesozoic nautilids and ammonoids from Madagascar. GFF 132 (3-4), 161–166. doi:10.1080/11035897.2010.510204.
   Web of Science ®Google Scholar
• Nielsen, S.N., Bandel, K. & Kröger, B., 2009: Palaeobiogeographical provenance, taphonomy, and mode of life of Aturia cubaensis (Cephalopoda, Nautiloidea) from Cainozoic deposits of Chile. Geobios 42 (1), 73–88. doi:10.1016/j.geobios.2008.07.006.
   Web of Science ®Google Scholar
• Niko, S. & Sone, M., 2014: Actinocerid cephalopods from the Ordovician of Myanmar, and their paleobiogeographic implications for northern Gondwana. Paleontological Research 18 (2), 94–103. doi:10.2517/2014PR010.
   Web of Science ®Google Scholar
• Stumbur, H. & Mutvei, H., 1983: A new Middle Ordovician torticonic nautiloid. Geologiska Föreningens i Stockholm Förhandlingar 105, 43–47.
   Web of Science ®Google Scholar
• Sweet, W.C., 1964: Nautiloidea-Oncocerida. K277–K319. In R.C. Moore (ed.): Treatise on invertebrate paleontology, Part K, Mollusca 3, Cephalopoda. The Geological Society of America, Boulder, and The University of Kansas Press, Lawrence, 519 p.
   Google Scholar
• Teichert, C., 1964: Actinoceratoidea. K190–K216. In R.C. Moore (ed.): Treatise on invertebrate paleontology, Part K, Mollusca 3, Cephalopoda. The Geological Society of America, Boulder, and The University of Kansas Press, Lawrence, 519 p.
   Google Scholar
• Ulrich, E.O., Miller, A.K. & Unklesbay, A.G., 1944: Ozarkian and Canadian cephalopods. Part III. Longicones and Summary. Geological Society of America Special papers 58, 1–226.
   Google Scholar