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Euthlastus cordiformis

Mammalia - Paurodontidae

Taxonomy
Euthlastus cordiformis was named by Simpson (1927). Its type specimen is YPM 13755, a maxilla (right maxilla with last four molars, all broken), and it is a 3D body fossil. Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming. It is the type species of Euthlastus.

Synonymy list
YearName and author
1927Euthlastus cordiformis Simpson p. 414
1929Euthlastus cordiformis Simpson pp. 79-80
1979Euthlastus cordiformis Kraus p. 164
1998Euthlastus cordiformis Engelmann and Callison p. 376
2004Euthlastus cordiformis Kielan-Jaworowska et al. pp. 380, 391

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes(Rowe 1988)
Trechnotheria
Cladotheria
superorderDryolestoidea(Butler 1939)
familyPaurodontidae
genusEuthlastus
speciescordiformis

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.

Diagnosis
No diagnoses are available