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Esthonyx spatularius

Mammalia - Esthonychidae

Taxonomy
Esthonyx spatularius was named by Cope (1880).

It was synonymized subjectively with Esthonyx bisulcatus by Delson (1971), Bown (1979) and Stucky and Krishtalka (1983).

Synonymy list
YearName and author
1880Esthonyx spatularius Cope
1902Esthonyx spatularius Hay p. 716
1953Esthonyx spatularius Gazin pp. 21 - 24 figs. Text figures 4-5
1979Esthonyx spatularius Gingerich and Gunnell
1980Esthonyx spatularius McKenna
1984Esthonyx spatularius Kihm
1989Esthonyx spatularius Gingerich
2012Esthonyx spatularius Rose et al.

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Cimolesta()
suborderTillodontia()
familyEsthonychidaeCope 1883
subfamilyEsthonychinaeZittel and Schlosser 1911
genusEsthonyxCope 1874
speciesspatulariusCope 1880

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.

†Esthonyx spatularius Cope 1880
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-31 13:30:51
Modified: 2005-08-31 15:30:51
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lucas and Schoch 1998, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979

Age range: Wasatchian or 55.80000 to 50.30000 Ma

Collections (66 total)


Time interval Ma Country or state Original ID and collection number
Wasatchian55.8 - 50.3USA (Wyoming) Esthonyx bisulcatus (15491 15889 15932 16020 16055) Esthonyx spatularius (15493 15495 15504 15505 15507 15509 15510 15511 15512 15513 15514 15515 15516 15586 15587 15588 15589 15590 15594 15682 15729 15756 15759 15793 15943 46636 46637 46639 46647 46659 46668 46670 46680 46685 46690 46691 46725 46768 46774 46780 46783 46786 46788 46790 46803 46804 46807 46808 46809 46813 46821 46822 46823)
Wasatchian55.8 - 50.3USA (Colorado) Esthonyx spatularius (15450 15480 15485 15660 15725 15845)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Esthonyx spatularius (15679 154260)