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Ammorhynchus navajoi âśť

Description

Ammorhynchus is an extinct genus of hyperodapedontid rhynchosaur from Middle Triassic (Anisian stage) deposits of Navajo County, Arizona. It is known from the holotype MSM 02-153/P4585, a nearly complete left maxilla and from three paratypes (MSM 00-99/P4409, MSM 00-103/P4586 and MSM 02-145/P4544) from the same locality. It was found in the Holbrook Member, upper Moenkopi Formation of northern Arizona. It was first named by S. J. Nesbitt and R. L. Whatley in 2004 and the type species is Ammorhynchus navajoi.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4967918https://www.gbif.org/species/4967918
PaleoBioDB ID (PBDB)65741https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=65741
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Rhynchosauria : Rhynchosauridae : Ammorhynchus : Ammorhynchus navajoi
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Rhynchosauridae : Ammorhynchus : Ammorhynchus navajoi
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
-Rhynchosauria
-Rhynchosauridae
subfamilyStenaulorhynchinaeKuhn 1933
genusAmmorhynchusNesbitt and Whatley 2004
speciesAmmorhynchus navajoiNesbitt & Whatley 2004
Generic NameAmmorhynchus
Scientific NameAmmorhynchus navajoi Nesbitt & Whatley, 2004
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Ammorhynchus navajoispeciesbelongs to Ammorhynchusstated without evidenceNesbitt and Whatley, 2004
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance247 - 242 Ma
Triassic
Last Recorded Appearance247 - 242 Ma
Triassic
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Dietherbivore (based on Rhynchosauria)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)S. J. Nesbitt and R. L. Whatley. 2004. The first discovery of a rhynchosaur from the upper Moenkopi Formation (Middle Triassic) of northern Arizona. PaleoBios 24(3):1-10
Wikipediahttps://en.wikipedia.org/wiki/Ammorhynchus_navajoi

Fossil Distribution

Synonymy List

YearName and Author
2004Ammorhynchus navajoi Nesbitt and Whatley pp. 3-6 figs. 3, 4

References

Nesbitt S. J., Whatley R. L. (2004) The first discovery of a rhynchosaur from the upper Moenkopi Formation (Middle Triassic) of northern Arizona, PaleoBios 24 3, 1-10
S. J. Nesbitt, R. L. Whatley (2004) The first discovery of a rhynchosaur from the upper Moenkopi Formation (Middle Triassic) of northern Arizona: PaleoBios 3: 1--10 - via Catalogue of Life
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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