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Esthonyx

Mammalia - Esthonychidae

Taxonomy
Esthonyx was named by Cope (1874). It is not extant.

It was synonymized subjectively with Platychoerops by Lydekker (1885).

It was assigned to Insectivora by Cope (1882); to Esthonychinae by Gazin (1953) and Lucas and Schoch (1998); to Tillodontia by Wang and Jin (2004); and to Esthonychidae by Cope (1874), Carroll (1988) and Rose et al. (2012).

Synonymy list
YearName and author
1874Esthonyx Cope
1882Esthonyx Cope
1953Esthonyx Gazin p. 17
1988Esthonyx Carroll
1998Esthonyx Lucas and Schoch p. 270
2004Esthonyx Wang and Jin
2012Esthonyx Rose et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Cimolesta()
suborderTillodontia(Marsh 1875)
familyEsthonychidaeCope 1883
subfamilyEsthonychinaeZittel and Schlosser 1911
genusEsthonyxCope 1874

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
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
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, Hendy et al. 2009, Ji et al. 2002, Lucas and Schoch 1998

Age range: base of the Ypresian to the top of the Early/Lower Eocene or 56.00000 to 48.60000 Ma

Collections (292 total)


Time interval Ma Country or state Original ID and collection number
Tiffanian - Clarkforkian61.7 - 55.8USA (Wyoming) E. sp. (15035)
Clarkforkian56.8 - 55.8USA (Colorado) E. sp. (15259)
Clarkforkian56.8 - 55.8USA (Wyoming) E. sp. (15093)
Ypresian56.0 - 47.8France (Oise) E. sp. (68174)
Ypresian56.0 - 47.8India (Gujarat) E. sp. (55494)
Graybullian55.8 - 50.3USA (Wyoming) E. bisulcatus (15701) E. sp. (15875 15876)
Lostcabinian55.8 - 50.3USA (Wyoming) E. acutidens (15901 15915 15930 15997 16068 16078)
Wasatchian55.8 - 50.3USA (Virginia) E. sp. (15595)
Wasatchian55.8 - 50.3USA (Wyoming) Azygonyx gunnelli (15834) E. acutidens (15486 15642 15662 15710 15904 15906 15908 15910 15911 15942 16067) E. acutidens, E. bisulcatus (15557 15558 15563 15566) E. bisulcatus (15491 15517 15518 15520 15521 15522 15523 15524 15531 15532 15533 15534 15536 15538 15540 15541 15543 15544 15546 15547 15548 15549 15551 15552 15553 15554 15555 15556 15560 15564 15565 15567 15573 15575 15694 15717 15846 15889 15891 15932 15963 15964 16020 16055 46641 46656 46666 46673 46675 46682 46687 46692 46693 46694 46699 46701 46702 46704 46705 46707 46711 46712 46713 46715 46718 46719 46721 46729 46730 46733 46734 46735 46736 46738 46739 46740 46745 46746 46748 46749 46754 46757 46758 46759 46760 46761 46763 46765 46767 46769 46778 46789 46792 46794 46795 46796 46797 46798 46805 46810 46811 46814 46816 46818 46819 46820 46825 46826 46830 46831 46834 46836 46837 46838 46841 46844 46845 46846 46847 46849 46850 46851 46852 186934 186944 186946) E. sp. (15454 15479 15529 15559 15576 15577 15578 15661 15673 15841 15933 15934 16075 118482) E. sp., E. bisulcatus (15542) E. spatularius (15493 15495 15504 15505 15507 15509 15510 15511 15512 15513 15514 15515 15516 15729 15756 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) E. spatularius, Azygonyx sp., Azygonyx gunnelli (15759)
Wasatchian55.8 - 50.3USA (New Mexico) Ectoganus bisulcatus (15452) E. acer (15430) E. bisulcatus (15610 15613 15663) E. sp. (15439 15448)
Wasatchian55.8 - 50.3USA (Colorado) E. acutidens (15339 15409 15422 15650 15652) E. bisulcatus (15267 15272 15290 15310 15350 15375 15379 15383 15384 15388 15392) E. sp. (15266 15316 15324 15338 15364 15836 15857 15871) E. sp., E. bisulcatus (15225 15264 15349) E. spatularius (15450 15480 15485 15660 15725 15845)
Wasatchian55.8 - 50.3Mexico (Baja California) E. sp. (15671)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Azygonyx gunnelli (154253) E. bisulcatus (15592 15593 15680 15683 15684 15687 15690 15692 15693 15695 15696 15697 15699 15702 15703 15704 15705 15706 15707) E. sp. (154258) E. spatularius (15586 15587 15588 15589 15590 15594 15679 15682 154260)
Bridgerian50.3 - 46.2USA (Wyoming) E. acutidens (16207) E. sp. (15837)
Bridgerian50.3 - 46.2USA (Colorado) E. acutidens (16240)