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Zosuchus davidsoni

Osteichthyes

Taxonomy
Zosuchus davidsoni was named by Pol and Norell (2004). Its type specimen is IGM 100/1305, a skull (skull and lower jaws), and it is a 3D body fossil. Its type locality is Zos, Ukhaa Tolgod (AMNH), which is in a Campanian fluvial sandstone in the Djadokhta Formation of Mongolia.

Synonymy list
YearName and author
2004Zosuchus davidsoni Pol and Norell
2012Zosuchus davidsoni Bronzati et al.
2014Zosuchus davidsoni Sertich and O'Connor

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
—Solidocrania
suborderCrocodyliformes
—Shartegosuchoidea
genusZosuchus
speciesdavidsoni

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Zosuchus davidsoni Pol and Norell 2004
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Diagnosis
ReferenceDiagnosis
D. Pol and M. A. Norell 2004Small and extremely short snouted crocodyliform with an extensive anterodorsal lacrimal process wedging between the nasal and maxilla, contacting anteriorly the posterodorsal process of premaxilla. Palatines forming a posteriorly extended secondary palate, almost reaching the posterior edge of the pterygoid flanges where the secondary choana is located. Posttemporal region of the parietal extremely narrow, wedging between the squamosals (paralleled in Gobiosuchus). Reduced upper dentition, premaxilla with three teeth and maxilla with five teeth (paralleled in some mesoeucrocodylians).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:38:45
Modified: 2009-01-03 22:38:45
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Benton 1983, Kiessling 2004

Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2Mongolia (Omnogov Aimak) Crocodylia indet. (type locality: 68517)