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Listrognathosuchus

Description

Listrognathosuchus is an extinct genus of alligatoroid crocodilian. Fossils date back to the middle Paleocene epoch. In 1997, the generic name replaced that of Leidyosuchus for the species L. multidentatus (now the type species of Listrognathosuchus). "L." multidentalis was first described by Charles Mook in 1930 on the basis of the holotype AMNH 5179, consisting of a partial vertebral column, mandible, partial left ilium, and left tibia, found from a locality in Torrejon Arroyo, New Mexico (then referred to as the Torrejon beds, and now thought to be part of the Nacimiento Formation).


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8472171https://www.gbif.org/species/8472171
PaleoBioDB ID (PBDB)202534https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=202534
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Alligatoridae : Listrognathosuchus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Crocodylia : Alligatoridae : Listrognathosuchus
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
superfamilyAlligatoroideaGray 1844
-GlobidontaBrochu 1999
familyAlligatoridaeGray 1844
genusListrognathosuchusBrochu 1997
Scientific NameListrognathosuchus Brochu, 1997
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Listrognathosuchusgenusbelongs to Alligatoridaestated with evidenceBrochu, 1997
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance63.3 - 61.7 Ma
Paleocene
Last Recorded Appearance63.3 - 61.7 Ma
Paleocene
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Crocodylia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)C. A. Brochu. 1997. A review of "Leidyosuchus" (Crocodyliformes, Eusuchia) from the Cretaceous through Eocene of North America. Journal of Vertebrate Paleontology 17(4):679-697
Wikipediahttps://en.wikipedia.org/wiki/Listrognathosuchus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Leidyosuchus multidentatus
species
accepted (GBIF)No associated record in PBDB
Listrognathosuchus multidentatus
species
listed (PBDB)163.3 Ma
Paleocene
63.3 Ma
Paleocene

Synonymy List

YearName and Author
1997Listrognathosuchus Brochu

References

Brochu C. A. (1997) A review of "Leidyosuchus" (Crocodyliformes, Eusuchia) from the Cretaceous through Eocene of North America, Journal of Vertebrate Paleontology 17 4, 679-697
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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