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Coryphodon eocaenus

Mammalia - Coryphodontidae

Taxonomy
Coryphodon eocaenus was named by Owen (1846) [genotype; also said to be 1845]. Its type specimen is NHMUK 27848, a mandible, and it is a 3D body fossil. Its type locality is Between Harwich and St Osyth’s, which is in an Eocene marine horizon in the Harwich Formation of the United Kingdom. It is the type species of Coryphodon.

It was recombined as Lophiodon eocaenum by Blainville (1846).

Synonyms
Synonymy list
YearName and author
1846Coryphodon anthracoideus Blainville
1846Lophiodon eocaenum Blainville
1846Coryphodon eocaenus Owen
1877Coryphodon eocaenus Cope
1882Coryphodon marginatus Cope p. 174
1902Coryphodon eocaenus Hay p. 697
1902Coryphodon marginatus Hay p. 699
1960Coryphodon eocaenus Simons p. 11
1984Coryphodon eocaenus Lucas
1995Coryphodon eocaenus Uhen and Gingerich
1995Coryphodon anthracoideus Uhen and Gingerich p. 266

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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
subclassSynapsida
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Cimolesta()
suborderPantodonta(Cope 1873)
familyCoryphodontidae
genusCoryphodon()
specieseocaenusOwen 1846

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.

†Coryphodon eocaenus Owen 1846
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Invalid names: Coryphodon anthracoideus Blainville 1846 [synonym], Coryphodon marginatus Cope 1882 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 1000 kgs
Minimum body mass: 300 kgs
Polymorph: yesg
Environment: terrestrialg
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: herbivoreg
Reproduction: viviparousg
Created: 2005-09-14 13:12:33
Modified: 2005-09-14 15:12:33
Source: s = species, g = genus, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Uhen and Gingerich 1995

Age range: base of the Wasatchian to the top of the Clarkforkian or 55.80000 to 54.90000 Ma

Collections (96 total)


Time interval Ma Country or state Original ID and collection number
Clarkforkian56.2 - 54.9USA (Colorado) Coryphodon sp. (15346)
Ypresian56.0 - 47.8Belgium (Leval-Trahegnies) Coryphodon eocaenus (144102)
Ypresian56.0 - 47.8Belgium (Hainaut) Coryphodon eocaenus (87947)
Wasatchian55.8 - 50.3USA (Wyoming) Coryphodon eocaenus (15467 15468 15473 15586 15587 15589 15590 15592 15594 15682 15683 15689 46637 46640 46641 46643 46644 46645 46646 46648 46650 46652 46658 46659 46660 46664 46665 46666 46667 46670 46671 46672 46673 46674 46675 46680 46685 46686 46687 46688 46689 46691 46693 46694 46697 46721 46725 46765 46766 46768 46769 46770 46772 46773 46774 46780 46782 46783 46785 46786 46788 46789 46790 46791 46792 46794 46802 46803 46804 46805 46807 46808 46809 46812 46813 46814 46815 46817 46818 46819 46822 46830 46837 46844) Coryphodon oweni (15470) Coryphodon sp. (15759 15780)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Coryphodon eocaenus (15680 15681 15691) Coryphodon sp. (15591 15679)
Early/Lower Eocene55.8 - 48.6United Kingdom (England) Coryphodon eocaenus (type locality: 174665)