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Articles

A new caimanine (Crocodylia, Alligatoroidea) species from the Solimões Formation of Brazil and the phylogeny of Caimaninae

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Article: e1528450 | Received 06 Apr 2017, Accepted 10 Jun 2018, Published online: 29 Jan 2019

LITERATURE CITED

  • Aguilera, O. A . 2004. Tesoros Paleontológicos de Venezuela: Urumaco, patrimônio natural de la humanidad. Universidad Nacional Experimental Francisco de Miranda, Editora Arte, Caracas, Venezuela, 148 pp.
  • Aguilera, O. A. , D. Riff , and J. Bocquentin-Villanueva. 2006. A new giant Purussaurus (Crocodyliformes, Alligatoridae) from the upper Miocene Urumaco Formation, Venezuela. Journal of Systematic Palaeontology 4:221–232.
  • Aureliano, T. , A. M. Ghilardi , E. Guilherme , J. P. Souza-Filho , M. Cavalcanti , and D. Riff. 2015. Morphometry, bite-force, and paleobiology of the Late Miocene caiman Purussaurus brasiliensis . PLoS ONE 10:e0117944.
  • Barbosa-Rodrigues, B . 1892. Les reptiles fossiles de la vallée de l’Amazone. Vellosia 2:41–46.
  • Barrios, F . 2011. Nuevos restos de Alligatoridae Cuvier, 1807 (Eusuchia, Crocodylia) del Neógeno del Sur de la província de Salta. Implicancias sistemáticas. Thesis of Licenciature, Universidad Nacional de Salta, Salta, Salta, Argentina, 168 pp.
  • Bartels, W. S . 1984. Osteology and systematic affinities of the horned alligator Ceratosuchus (Reptilia, Crocodylia). Journal of Paleontology 58:1347–1353.
  • Behrensmeyer, A. K . 1978. Taphonomic and ecologic information from bone weathering. Paleobiology 4:150–162.
  • Benton, M. J. , and J. M. Clark. 1988. Archosaur phylogeny and the relationships of the Crocodylia; pp. 295–338 in M. J. Benton (ed.), The Phylogeny and Classification of the Tetrapods, Volume 1: Amphibians, Reptiles, Birds. Clarendon Press, Oxford, U.K.
  • Blanco, R. E. , W. W. Jones , and J. Villamil. 2015. The ‘death roll’ of giant fossil crocodyliforms (Crocodylomorpha: Neosuchia): allometric and skull strength analysis. Historical Biology 27:514–524.
  • Bocquentin-Villanueva, J . 1984. Un nuevo Nettosuchidae (Crocodylia, Eusuchia) proveniente de la Formación Urumaco (Mioceno Superior), Venezuela. Ameghiniana 21:3–8.
  • Bocquentin-Villanueva, J.C. , Buffetaut, E. , 1981. Hesperogavialis cruxenti n. gen., n. sp., nouveau gavialide (Crocodylia, Eusuchia) du Miocène Supérieur (Huayquerien) d’Urumaco (Venezuela). Geobios, 14, 415–419.
  • Bocquentin-Villanueva, J. , J. P. Souza-Filho , E. Buffetaut , and F. R. Negri . 1989. Nova interpretação do gênero Purussaurus (Crocodylia, Alligatoridae); pp. 427–438 in Anais do XI Congresso Brasileiro de Paleontologia, Curitiba, 1st to 7th September 1989, Brazil. Sociedade Brasileira de Paleontologia, Rio de Janeiro, Brazil, 1175 pp.
  • Bona, P . 2007. Una nueva especie de Eocaiman Simpson (Crocodylia, Alligatoridae) del Paleoceno Inferior de Patagonia. Ameghiniana 44:435–445.
  • Bona, P. , and A. P. Carabajal. 2013. Caiman gasparinae sp. nov., a huge alligatorid (Caimaninae) from the late Miocene of Paraná, Argentina. Alcheringa 37:462–473.
  • Bona, P. , and J. B. Desojo. 2011. Osteology and cranial musculature of Caiman latirostris (Crocodylia; Alligatoridae). Journal of Morphology 272:780–795.
  • Bona, P. , F. J. Degrange , and M. S. Fernández. 2013a. Skull anatomy of the bizarre crocodylian Mourasuchus nativus (Alligatoridae, Caimaninae). Anatomical Record 296:227–239.
  • Scheyer, T. M. , and M. Delfino . 2016. The late Miocene caimanine fauna (Crocodylia: Alligatoroidea) of the Urumaco Formation, Venezuela. Palaeontologia Electronica 19.3.48A:1–57.
  • Bona, P. , D. Riff , and Z. Gasparini. 2013b. Late Miocene crocodylians from Northeast Argentina: new approaches about the austral components of the Neogene South American crocodylian fauna. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 103:1–20.
  • Brochu, C. A . 1996. Closure of neurocentral sutures during crocodilian ontogeny: implications for maturity assessment in fossil archosaurs. Journal of Vertebrate Paleontology 16:49–62.
  • Brochu, C. A . 1997. Phylogenetic systematics and taxonomy of Crocodylia. Ph.D. dissertation, University of Texas, Austin, Texas, 432 pp.
  • Brochu, C. A . 1999. Phylogenetics, taxonomy, and historical biogeography of Alligatoroidea; pp. 9–100, Cranial Morphology of Alligator mississippiensis and Phylogeny of Alligatoroidea Society of Vertebrate Paleontology Memoir 6. Journal of Vertebrate Paleontology 19 (2, Supplement).
  • Brochu, C. A . 2000. Phylogenetic relationships and divergence timing of Crocodylus based on morphology and the fossil record. Copeia 2000:657–673.
  • Brochu, C. A . 2003. Phylogenetic approaches toward crocodylian history. Annual Review of Earth and Planetary Sciences 31:357–397.
  • Brochu, C. A . 2004. Alligatorine phylogeny and the status of Allognathosuchus Mook, 1921. Journal of Vertebrate Paleontology 24:856–872
  • Brochu, C. A . 2006. A new miniature horned crocodile from the Quaternary of the Aldabra Atoll, Western Indian Ocean. Copeia 2006:149–158.
  • Brochu, C. A . 2007. Morphology, relationships, and biogeographical significance of an extinct horned crocodile (Crocodylia, Crocodylidae) from the Quaternary of Madagascar. Zoological Journal of the Linnean Society 150:835–863.
  • Brochu, C. A . 2010. A new alligatorid from the lower Eocene Green River Formation of Wyoming and the origin of caimans. Journal of Vertebrate Paleontology 30:1109–1126.
  • Brochu, C. A . 2011. Phylogenetic relationships of Necrosuchus ionensis Simpson, 1937 and the early history of caimanines. Zoological Journal of the Linnean Society 163:S228–S256.
  • Brochu, C. A . 2013. Phylogenetic relationships of Palaeogene ziphodont eusuchians and the status of Pristichampsus Gervais, 1853. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 103:521–550.
  • Brochu, C. A. , J. Njau , R. J. Blumenschine , and L. D. Densmore. 2010. A new horned crocodile from the Plio-Pleistocene hominid sites at Olduvai Gorge, Tanzania. PLoS ONE 5:e9333.
  • Bryant, L. J . 1989. Non-dinosaurian lower vertebrates across the Cretaceous-Tertiary Boundary in northeastern Montana. University of California Publications in Geological Sciences 134:1–107.
  • Buffrénil, V . 1980. Données preliminaires sur la structure des marques de croissance squeletiques chezles crocodilians actuels et fossils . Bulletin de la Société Zoologique de France 105:355–361.
  • Buscalioni, A. D. , F. Ortega , and D. Vasse. 1997. New crocodiles (Eusuchia: Alligatoroidea) from the Upper Cretaceous of southern Europe. Comptes Rendus de l’Académie des Sciences de Paris, Sciences de la Terre et des Planètes 325:525–530.
  • Campbell, K. E. , C. D. Frailey , and L. Romero-Pittman. 2006. The Pan-Amazonian Ucayali Peneplain, late sedimentation in Amazonia, and the birth of the modern Amazon River system. Palaeogeography, Palaeoclimatology, Palaeoecology 239:166–219.
  • Cantino, P. D. , and K. de Queiroz . 2000. PhyloCode: A Phylogenetic Code of Biological Nomenclature. httphttp://www.ohiou.edu/phylocode/
  • Caputo, M. , V. Rodrigues , and D. Vasconcelos. 1971. Litoestratigrafia da Bacia do Rio Amazonas. Petrobras-Renor, Rio de Janeiro, Brazil, 71 pp.
  • Cidade, G. M. , A. Solórzano , A. D. Rincón , D. Riff , and A. S. Hsiou. 2017. A new Mourasuchus (Alligatoroidea, Caimaninae) from the late Miocene of Venezuela, the phylogeny of Caimaninae and considerations on the feeding habits of Mourasuchus . PeerJ 5:e3056. doi: 10.7717/peerj.3056.
  • Cidade, G. M. , A. Solórzano , A. D. Rincón , D. Riff , and A. S. Hsiou. 2018. Redescription of the holotype of the Miocene crocodilian Mourasuchus arendsi (Alligatoroidea, Caimaninae) and perspectives on the taxonomy of the species. Historical Biology. doi:10.1080/08912963.2018.1528246.
  • Cozzuol, M. A . 2006. The Acre vertebrate fauna: age, diversity, and geography. Journal of South American Earth Sciences 21:185–203.
  • Cuvier, G. L. , 1807. Sur les differentes especes de crocodiles vivan set sur leur caracteres distinctifs. Annales du Museum d'Histoire Naturelle 10:8–66.
  • Daudin, F. M . 1802. Histoire naturelle, générale et particulière, des reptiles. De l’Imprimerie de F. Dufort, Paris, Volume 2, 432 pp.
  • Dollo, L . 1883. Première note sur les crocodiliens de Bernissart. Bulletin du Musée Royal d’Histoire Naturelle de Belgique 2:309–338.
  • Eiras, J. F. , C. R. Becker , E. M. Souza , F. G. Gonzaga , J. G. F. Silva , L. M. F. Daniel , N. S. Matsuda , and F. J. Feijó. 1994. Bacia do Solimões. Boletim de Geociências da Petrobras, Rio de Janeiro, CENPES 8:17–45.
  • Erickson, B. R . 1984. Chelonivorous habits of the Paleocene crocodile Leidyosuchus formidabilis. Scientific Publications of the Science Museum of Minnesota, New Series 5:3–9.
  • Erickson, M. G. , A. K. Lappin , and K. A. Vliet. 2003. The ontogeny of bite-force performance in American alligator (Alligator mississippiensis). Journal of Zoology 260:317–327.
  • Fitzinger, L .J. F. J. 1826. Neue classification der reptilien nach ihren natürlichen verwandtschaften. Nebst einer verwandtschafts-tafel und einem verzeichnisse der reptilien-sammlung des K. K. zoologischen museum's zu Wien. J.G. Hübner, Vienna, Austria, 66 pp.
  • Fortier, D. 2011. O registro fóssil de crocodilianos na América do Sul: estado da arte, análise crítica e registro de novos materiais para o Cenozóico. Ph.D. dissertation, Universidade Federal do Rio Grande do Sul, 362 pp.
  • Fortier, D. , Brochu, C.A. , Souza-Filho, J.P. 2009. The oldest record of Caiman yacare . Journal of Vertebrate Paleontology 29(3):97A.
  • Fortier, D. C. , J. P. Souza-Filho , E. Guilherme , A. A. R. Maciente , and C. L. Schultz. 2014. A new specimen of Caiman brevirostris (Crocodylia, Alligatoridae) from the Late Miocene of Brazil. Journal of Vertebrate Paleontology 34:820–834.
  • Foth, C. , P. Bona , and J. B. Desojo. 2013. Intraspecific variation in the skull morphology of the black caiman Melanosuchus niger (Alligatoridae, Caimaninae). Acta Zoologica (Stockholm) 96:1–13. doi: 10.1111/azo.12045.
  • Gasparini, Z . 1985. Un Nuevo cocodrilo (Eusuchia) Cenozoico de América del Sur. Coletânea de Trabalhos Paleontológicos MME-DNPM, série Geologia 27:51–53.
  • Gilmore, C. W . 1911. A new fossil alligator from the Hell Creek Beds of Montana. Proceedings of the United States National Museum 41:297–302. doi: 10.5479/si.00963801.41-1860.297.
  • Gmelin, J . 1789. Linnei Systema Naturae. G. E. Beer, Leipzig, 1057 pp.
  • Goloboff, P. A. , and S. A. Catalano. 2016. TNT version 1.5, including a full implementation of phylogenetic morphometrics. Cladistics 32:221–238.
  • Goloboff, P. A. , J. S. Farris , and K. C. Nixon. 2008. TNT: a free program for tree analysis using new technology. Cladistics 24:774–786.
  • Grandidier, A. , and L. Vaillant . 1872. Sur le crocodile fossile d’Amboulintsatre (Madagascar). Comptes Rendus de l’Academie des Sciences de Paris 75:150–151.
  • Gray, J. E . 1844. Catalogue of Tortoises, Crocodilians, and Amphisbaenians in the Collection of the British Museum. British Museum (Natural History), London, 88 pp.
  • Gray, J. E . 1862. A synopsis of the species of alligators. Annals and Magazine of Natural History 10:327–331.
  • Gürich, G. , 1912. Gryposuchus jessei ein neues schmalschnauziges Krokodil aus den jüngeren Ablagerungen des obreren Amazonas-Geibetes. Mitteilungen aus dem Mineralogisch-Geologischen Institut in Hamburg 29:59–71.
  • Harlan, R . 1824. On an extinct species of Crocodile not before described; and some observations on the Geology of West Jersey. Journal of the Academy of Natural Sciences of Philadelphia 4:15–24.
  • Hastings, A. K. , M. Reisser and T. M. Scheyer. 2016. Character evolution and the origin of Caimaninae (Crocodylia) in the New World Tropics: new evidence from the Miocene of Panama and Venezuela. Journal of Paleontology 90:317–332.
  • Hastings, A. K. , J. I. Bloch , C. A. Jaramillo , A. F. Rincon , and B. J. MacFadden. 2013. Systematics and biogeography of crocodilians from the Miocene of Panama. Journal of Vertebrate Paleontology 33:239–263.
  • Hay, O. P . 1930. Second bibliography and catalogue of the fossil vertebrata of North America. Carnegie Institution of Washington, Washington, United States, 415 pp.
  • Hill, R. V. , and S. G. Lucas. 2006. New data on the anatomy and relationships of the Paleocene crocodylian Akanthosuchus langstoni . Acta Palaeontologica Polonica 51:455–464.
  • Holliday, C. M. , and N. M. Gardner. 2012. A new eusuchian crocodyliform with novel cranial integument and its significance for the origin and evolution of Crocodylia. PLoS ONE 7:e30471.
  • Holliday, C. M. , and L. M. Witmer. 2007. Archosaur adductor chamber evolution: integration of musculoskeletal and topological criteria in jaw muscle homology. Journal of Morphology 268:457–484.
  • Hsiou, A. S . 2010. Lagartos e serpentes (Lepidosauria, Squamata) do Mioceno Médio-Superior da região norte da América do Sul. Ph.D. dissertation, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil, 239 pp.
  • Ikejiri, T . 2012. Histology-based morphology of the neurocentral synchondrosis in Alligator mississippiensis (Archosauria, Crocodylia). The Anatomical Record 295:18–31.
  • International Commission on Zoological Nomenclature . 1999. International Code of Zoological Nomenclature. Fourth edition. The International Trust for Zoological Nomenclature, London, 306 pp.
  • Iordansky, N. N . 1973. The skull of the Crocodylia; pp. 201–262 in C. Gans and T. S. Parsons (eds.), Biology of the Reptilia, Volume 4. Academic Press, New York.
  • Kerber, L. , M. C. Bissaro-Júnior , F. R. Negri , J. P. Souza-Filho , E. Guilherme , and A. S. Hsiou. 2017. A new rodent (Caviomorpha: Dinomyidae) from the upper Miocene of southwestern Brazilian Amazonia. Historical Biology. doi: 10.1080/08912963.2017.1327529.
  • Kuhn, O . 1938. Die Crocodilier aus dem mittleren Eozän des Geiseltales bei Halle. Nova Acta Leopoldina 39:313–328.
  • Langston, W., Jr. 1965. Fossil crocodilians from Colombia and the Cenozoic history of the Crocodilia in South America. University of California Publications in Geological Sciences 52:1–168.
  • Langston, W., Jr. 1973. The crocodilian skull in historical perspective; pp. 263–285 in C. Gans and T. S. Parsons (eds.), Biology of the Reptilia, Volume 4. Academic Press, New York.
  • Langston, W., Jr. , and Z. Gasparini. 1997. Crocodilians, Gryposuchus, and the South American gavials; pp. 113–154 in R. F. Kay , R. H. Madden , R. L. Ciffelli , and J. J. Flynn (eds.), Vertebrate Paleontology in the Neotropics: The Miocene Fauna of La Venta, Colombia. Smithsonian Institution, Washington, D.C.
  • Latrubesse, E. M . 1992. El Cuaternario fluvial de La cuenca del Purus en el estado de Acre, Brasil. Ph.D. dissertation, Universidad Nacional de San Luis, San Luis, Argentina, 214 pp.
  • Latrubesse, E. M. , J. Bocquentin , J. C. R. Santos , and C. G. Ramonell. 1997. Paleoenvironmental model for the Late Cenozoic of southwestern Amazonia: paleontology and geology. Acta Amazonica 27:103–118.
  • Latrubesse, E. M. , S. F. Silva , M. Cozzuol , and M. L. Absy. 2007. Late Miocene continental sedimentation in the southwestern Amazonia and its regional significance: biotic and geological evidence. Journal of South American Earth Science 23:61–80.
  • Latrubesse, E. M. , M. Cozzuol , S. A. F. Silva-Caminha , C. A. Rigsby , M. L. Absy , and C. Jaramillo. 2010. The Late Miocene paleogeography of the Amazon Basin and the evolution of the Amazon River system. Earth-Science Reviews 99:99–124.
  • Laurenti, J. N . 1768. Specimen medicum, exhibens synopsin reptilium emendatam cum experimentis circa venena et antidota reptilium Austriacorum. Trattnern, Vienna, Austria, 217 pp.
  • Leidy, J . 1852. Description of a new species of crocodile from the Miocene of Virginia. Journal of the Academy of Natural Sciences of Philadelphia ser. 22:135–138.
  • Linnaeus, C . 1758. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata. Laurentius Salvius, Stockholm, Sweden, 824 pp.
  • Loomis, L. B . 1904. Two new river reptiles from the Titanothere beds. American Journal of Science (ser. 4) 18:427–432.
  • Ludwig, R . 1877. Fossile Crocodiliden aus der Tertiärformation des Mainzer Beckens. Palaeontographica 3:1–52.
  • Maddison, W. P. , and D. R. Maddison. 2011. Mesquite: a modular system for evolutionary analysis. Version 2.75.
  • Martin, J. E. , T. Smith , F. L. Broin , F. Escuillié , and M. Delfino. 2014. Late Palaeocene eusuchian remains from Mont de Berru, France, and the origin of the alligatoroid Diplocynodon . Zoological Journal of the Linnean Society 172:867–891.
  • Medem, F . 1981. Los Crocodylia de Sur America, Volume 1: Los Crocodylia de Colombia. Universidad Nacional de Colombia, Bogota, Colombia, 354 pp.
  • Medem, F . 1983. Los Crocodylia de Sur America, Volume 2. Universidad Nacional de Colombia, Bogota, Colombia, 270 pp.
  • Medina, C. J . 1976. Crocodilians from the Late Tertiary of northwestern Venezuela: Melanosuchus fisheri sp. nov. Breviora 438:1–14.
  • Mook, C. C . 1924. A new crocodilian from the Wasatch Beds. American Museum Novitates 137:1–4.
  • Mook, C. C . 1941. A new fossil from Colombia. Proceedings of the United States National Museum 91(3122):55–61.
  • Moreno-Bernal, J. W . 2007. Size and paleoecology of giant Miocene South American crocodiles (Archosauria: Crocodylia). Journal of Vertebrate Paleontology 27(3, Supplement):120A.
  • Norell, M. A . 1988. Cladistic approaches to evolution and paleobiology as applied to the phylogeny of alligatorids. Ph.D. dissertation, Yale University, New Haven, Connecticut, 272 pp.
  • Norell, M. A. , J. M. Clark , and J. H. Hutchison. 1994. The Late Cretaceous alligatoroid Brachychampsa montana (Crocodylia): new material and putative relationships. American Museum Novitates 3116:1–26.
  • Oppel, M . 1811. Die Ordnung, Familien und Gattungen der Reptilien als Prodrom einer Naturgeschichte derselben. Lindauer, Munich, Germany, 87 pp.
  • Ősi, A. , and P. M. Barrett. 2011. Dental wear and oral food processing in Caiman latirostris: analogue for fossil crocodylians with crushing teeth. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 261:201–207.
  • Pinheiro, A. E. P. , D. C. Fortier , D. Pol , D. A. Campos , and L. P. Bergqvist. 2013. A new Eocaiman (Alligatoridae, Crocodylia) from the Itaboraí Basin, Paleogene of Rio de Janeiro, Brazil. Historical Biology. doi: 10.1080/08912963.2012.705838.
  • Pomel, A . 1847. Note sur les animaux fossiles découverts dans le département de l’Allier. Bulletin de la Societé geologique de France, Series 2 4:378–385.
  • Prasad, G. V. R. , and F. L. de Broin. 2002. Late Cretaceous crocodile remains from Naskal (India): comparisons and biogeographic affinities. Annales de Paléontologie 88:19–71.
  • Price, L. I . 1964. Sobre o crânio de um grande crocodilídeo extinto do Alto de Rio Juruá, Estado do Acre. Anais da Academia Brasileira de Ciências 56:59–66.
  • Price, L. I . 1967. Sobre a mandíbula de um gigantesco crocodilídeo extinto do alto rio Juruá, Estado do Acre. Atas do Simpósio sobre a Biota Amazônica 1:359–371.
  • Riff, D. , and O. A. Aguilera. 2008. The world’s largest gharials Gryposuchus: description of G. croizati n. sp. (Crocodylia, Gavialidae) from the Upper Miocene Urumaco Formation, Venezuela. Paläontologische Zeitschrift 82:178–195.
  • Riff, D. , P. S. R. Romano , G. R. Oliveira , and O. A. Aguilera. 2010. Neogene crocodile and turtle fauna in northern South America; pp. 259–280 in C. Hoorn and F. Wesselingh (eds.), Amazonia, Landscape and Species Evolution: A Look into the Past. Wiley-Blackwell, London.
  • Ross, C. A. , and S. Garnett. 1989. Crocodiles and Alligators. Facts and File, New York, 240 pp.
  • Rovereto, C . 1912. Los crocodilos fósiles en las capas del Paraná. Anales de Museo Nacional de Buenos Aires 22:339–369.
  • Rusconi, C . 1937. Nuevo aligatorino del Paleoceno Argentino. Boletin Paleontologico de Buenos Aires 8:1–5.
  • Salas-Gismondi, R. , J. J. Flynn , P. Baby , J. V. Tejada-Lara , F. P. Wesselingh , and P.-O. Antoine. 2015. A Miocene hyperdiverse crocodilian community reveals peculiar trophic dynamics in proto-Amazonian mega-wetlands. Proceedings of the Royal Society B: Biological Sciences 282:20142490. doi: 10.1098/rspb.2014.2490.
  • Salisbury, S. W. , and P. M. A. Willis. 1996. A new crocodylian from the Early Eocene of southeastern Queensland and a preliminary investigation of the phylogenetic relationships of crocodyloids. Alcheringa 20:179–227.
  • Salisbury, S. W. , and P. M. A. Willis. 1996. A new crocodylian from the Early Eocene of southeastern Queensland and a preliminary investigation of the phylogenetic relationships of crocodyloids. Alcheringa 20:179–227.
  • Scheyer, T. M. , and M. Delfino. 2016. The late Miocene caimanine fauna (Crocodylia: Alligatoroidea) of the Urumaco Formation, Venezuela. Palaeontologia Electronica 19.3. 48A:1–57.
  • Scheyer, T. M. , O. A. Aguilera , M. Delfino , D. C. Fortier , A. A. Carlini , R. Sánchez , J. D. Carrillo-Briceño , L. Quiroz , and M. R. Sánchez-Villagra . 2013. Crocodylian diversity peak and extinction in the late Cenozoic of the northern Neotropics. Nature Communications 4:1907.
  • Schmidt, K. P . 1938. New crocodilians from the Upper Paleocene of Western Colorado. Geological Series of the Field Museum of Natural History 6:315–321.
  • Schmidt, K.P . 1941. A new fossil alligator from Nebraska. Fieldiana:Geology 8:27–32.
  • Schneider, J. G . 1801. Historiae Amphibiorum naturalis et literariae. Fasciculus secundus continens Crocodilos, Scincos, Chamaesauras, Boas. Pseudoboas, Elapes, Angues. Amphisbaenas et Caecilias. Friedrich Frommann, Jena. 364 pp.
  • Schumacher, G.-H . 1973. The head muscles and hyolaryngal skeleton of turtles and crocodilians; pp. 101–199 in C. Gans and T. S. Parsons (eds.), Biology of the Reptilia, Volume 4, Morphology. Academic Press, London.
  • Sellards, E. H . 1915. A new gavial from the Late Tertiary of Florida. American Journal of Science 40:135–138.
  • Skutschas, P. P. , I. G. Danilov , T. M. Kodrul , and J. Jin. 2014. The first discovery of an alligatorid (Crocodylia, Alligatoroidea, Alligatoridae) in the Eocene of China. Journal of Vertebrate Paleontology 34:471–476.
  • Silveira, R. , and W. E. Magnusson. 1999. Diets of Spectacled and Black Caiman in the Anavilhanas Archipelago, Central Amazonia, Brazil. Journal of Herpetology 33:181–192.
  • Simpson, G. G . 1933. A new crocodile from the Notostylops beds of Patagonia. American Museum Novitates 623:1–9.
  • Simpson, G. G . 1937. An ancient eusuchian crocodile from Patagonia. American Museum Novitates 965:1–20.
  • Souza, R. G. , G. M. Cidade , D. A. Campos , and D. Riff. 2016. New crocodylian remains from the Solimões Formation (Lower Eocene–Pliocene), state of Acre, southwestern Brazilian Amazonia. Revista Brasileira de Paleontologia 19(2):217–232.
  • Souza-Filho, J. P . 1998. Novas formas fósseis de Crocodylia (Alligatoridae e Gavialidae) da Formação Solimões, Cenozóico do Estado do Acre-Brasil, representadas por materiais cranianos e mandibulares. Ph.D. dissertation, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil, 163 pp.
  • Souza-Filho, J. P. , and J. Bocquentin . 1991. Caiman niteroiensis sp. nov., Alligatoridae (Crocodylia) do Neogeno do Estado do Acre, Brasil. Boletim de Resumos do XII Congresso Brasileiro de Paleontologia, São Paulo, Brazil: 37.
  • Spix, J. B. 1825. Animalia nova sive species novae Lacertarum, quas in itinere per Brasiliam annis MDCCCXVII-MDCCCXX jussu et auspiciis Maximiliani Josephi I. Bavaria Regis suscepto collegit et descripsit D. J. B. De Pix. Typis Franc. Seraph. Hübschamanni, Munich, Germany, 26 pp.
  • Syme, C. , and S. Salisbury. 2014. Patterns of aquatic decay and disarticulation in juvenile Indo-Pacific crocodiles (Crocodylus porosus), and implications for the taphonomic interpretation of fossil crocodyliform material. Palaeogeography, Palaeoclimatology, Palaeoecology 412:108–123.
  • Thorbjarnarson, J . 1992. Crocodiles: An Action Plan for Their Conservation. International Union for Conservation of Nature, Gland, Switzerland, 136 pp.
  • Wang, Y.-Y. , C. Sullivan , and J. Liu. 2016. Taxonomic revision of Eoalligator (Crocodylia, Brevirostres) and the paleogeographic origins of the Chinese alligatoroids. PeerJ 4:e2356. doi: 10.7717/peerj.2356.
  • Whiting, E. T. , D. W. Steadman , and K. A. Vliet. 2016. Cranial polymorphism and systematics of Miocene and living alligator in North America. Journal of Herpetology 50:30–315.
  • Wood, S. V . 1846. On the discovery of an alligator and of several new Mammalia in the Hordwell Cliff; with observations upon the geological phenomena of that locality. London Geological Journal 1:117–122.
  • Wu, X. , A. P. Russell , and D. B. Brinkman. 2001. A review of Leidyosuchus canadensis Lambe, 1907 (Archosauria: Crocodylia) and an assessment of cranial variation based upon new material. Canadian Journal of Earth Sciences 38:1665–1687.

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