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Paratomistoma âśť

Description

Paratomistoma (meaning "next to or near Tomistoma") is an extinct genus of tomistomine crocodylian. It is based on the holotype specimen CGM 42188, a partial posterior skull and lower jaw discovered at Wadi Hitan, Egypt, in Middle Eocene-age rocks of the Gehannam Formation. The skull is unfused but considered morphologically mature. Paratomistoma was named in 2000 by Christopher Brochu and Philip Gingerich; the type species is P. courti in honor of Nicholas Court, who found CGM 42188. They performed a phylogenetic analysis and found Paratomistoma to be a derived tomistomine. It may have been a marine or coastal crocodilian.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4822126https://www.gbif.org/species/4822126
PaleoBioDB ID (PBDB)155309https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=155309
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Paratomistoma
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Crocodylia : Paratomistoma
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-Archosauria
-Pseudosuchia
-SuchiaKrebs 1974
-ParacrocodylomorphaParrish 1993
-Loricata
-Crocodylomorpha
suborderCrocodyliformesHay 1930
-MesoeucrocodyliaWhetstone and Whybrow 1983
-NeosuchiaClark 1988
suborderEusuchiaHuxley 1875
-Crocodylia
-BrevirostresCuvier
superfamilyCrocodyloideaDeraniyagala 1939
subfamilyTomistominaeEastman 1902
genusParatomistomaBrochu & Gingerich 2000
Scientific NameParatomistoma Brochu & Gingerich, 2000
Name Published InContrib Mus Paleontol Univ Mich 30 (10), December 29
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Paratomistomagenusbelongs to Crocodyliastated without evidenceBrochu and Gingerich, 2000
Paratomistomagenusbelongs to Tomistominaestated with evidenceBrochu, 2004
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance41.3 - 38.0 Ma
Eocene
Last Recorded Appearance41.3 - 38.0 Ma
Eocene
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Crocodylia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)C. A. Brochu and P. D. Gingerich. 2000. New tomistomine crocodylian from the middle Eocene (Bartonian) of Wadi Hitan, Fayum Province, Egypt. Contributions from the Museum of Paleontology The University of Michgian 30(10):251-268
Wikipediahttps://en.wikipedia.org/wiki/Paratomistoma

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Paratomistoma courti âśť
species
accepted (GBIF)
listed (PBDB)
141.3 Ma
Eocene
41.3 Ma
Eocene

Synonymy List

YearName and Author
2000Paratomistoma Brochu and Gingerich p. 254 figs. Figs. 2-4
2004Paratomistoma Brochu p. 624
2006Paratomistoma Kobayashi et al.
2007Paratomistoma Brochu p. 926
2008Paratomistoma Jouve et al.
2009Paratomistoma Shan et al.

References

Brochu C. A., Gingerich P. D. (2000) New tomistomine crocodylian from the middle Eocene (Bartonian) of Wadi Hitan, Fayum Province, Egypt, Contributions from the Museum of Paleontology The University of Michgian 30 10, 251-268
Brochu C. A. (2004) A New Late Cretaceous gavialoid crocodylian from Eastern North America and the phylogenetic relationships of thoracosaurs, Journal of Vertebrate Paleontology 24 3, 610-633 doi:10.1671/0272-4634(2004)024[0610:ANLCGC]2.0.CO
Kobayashi Y., Tomida Y., et al (2006) Anatomy of a Japanese tomistomine crocodylian, Toyotamaphimeia machikanensis (Kamei et Matsumoto, 1965) from the Middle Pleistocene of Osaka prefecture: the reassessment of its phylogenetic status within Crocodylia, National Science Museum Monograph 35, 1-121
Brochu C. A. (2007) Systematics and taxonomy of Eocene tomistomine crocodylians from Britain and northern Europe, Palaeontology 50 4, 917-928
Jouve S., Bardet N., et al (2008) The oldest African crocodylomorph: phylogeny, paleobiogeography, and differential survivorship of marine reptiles through the Cretaceous-Tertiary boundary, Journal of Vertebrate Paleontology 28 2, 409-421
Shan H.-Y., Wu X.-C., et al (2009) A new tomistomine (Crocodylia) from the Miocene of Taiwan, Canadian Journal of Earth Sciences 46, 529-555
Contrib Mus Paleontol Univ Mich 30 (10), December 29 - via The Interim Register of Marine and Nonmarine Genera
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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