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Eosuchus lerichei

Reptilia

Taxonomy
Eosuchus lerichei was named by Dollo (1907). Its type specimen is IRSNB 1740, a partial skeleton (skull and partial skeleton), and it is a 3D body fossil. Its type locality is Jeumont, which is in a Thanetian marine sandstone in the Hannut Formation of France.

Synonymy list
YearName and author
1907Eosuchus lerichei Dollo
1909Eosuchus lerichei Dollo p. 108
2005Eosuchus lerichei Delfino et al. p. 918

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
Solidocrania
suborderCrocodyliformes
MesoeucrocodyliaWhetstone and Whybrow 1983
NeosuchiaClark 1988
suborderEusuchiaHuxley 1875
Crocodylia(Owen 1842)
LongirostresCuvier
Gavialoidea(Brochu 1997)
Gavialidae(Adams 1854)
genusEosuchusDollo 1907
specieslericheiDollo 1907

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.

Eosuchus lerichei Dollo 1907
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Diagnosis
ReferenceDiagnosis
M. Delfino et al. 2005A basal gavialoid that can be differentiated from any other crocodylian by the following combination of characters: an unusually enlarged foramen aereum, dentary alveoli arranged in couplets, evident “quadrate crest” ventrally developed at least on quadrates and pterygoids, nasals reaching and deeply entering between premaxillae, W−shaped basioccipital tuberosity. A further peculiarity could be represented by the presence of an unusual “step−like” widening of the orbital margin of prefrontal.