Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Homogalax protapirinus

Mammalia - Perissodactyla

Taxonomy
Systemodon protapirinum was named by Wortman (1896). Its type specimen is AMNH 4460, a maxilla (maxilla with P2-M2 ; mandible with P2-M3.), and it is a 3D body fossil.

It was recombined as Homogalax protapirinus by Hay (1899), Hay (1902), Radinsky (1963), Gingerich (1991), Colbert and Schoch (1998), Froehlich (1999) and Holbrook et al. (2004).

Synonymy list
YearName and author
1896Systemodon protapirinum Wortman p. 89
1899Homogalax protapirinus Hay p. 593
1902Homogalax protapirinus Hay p. 627
1963Homogalax protapirinus Radinsky p. 9
1991Homogalax protapirinus Gingerich
1998Homogalax protapirinus Colbert and Schoch
1999Homogalax protapirinus Froehlich
2004Homogalax protapirinus Holbrook et al. p. 951

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
genusHomogalax
speciesprotapirinus()

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.

Homogalax protapirinus Wortman 1896
show all | hide all
Diagnosis
ReferenceDiagnosis
L. B. Radinsky 1963Small isectolophids. Mean length M^g = 36.0 mm. P with variably devel-
oped lingual crista. See Table 1.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingsubo
Diet: browsersubo
Reproduction: viviparoussubc
Created: 2005-08-31 15:02:20
Modified: 2005-08-31 17:02:20
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Colbert and Schoch 1998, Ji et al. 2002, Carroll 1988, Lillegraven 1979

Age range: base of the Graybullian to the top of the Wasatchian or 55.80000 to 50.30000 Ma

Collections (156 total)


Time interval Ma Country or state Original ID and collection number
Graybullian55.8 - 50.3USA (Wyoming) Homogalax protapirinus (15701)
Wasatchian55.8 - 50.3USA (Colorado) Homogalax protapirinus (15273 15274 15275 15277)
Wasatchian55.8 - 50.3USA (New Mexico) Homogalax protapirinus (15460)
Wasatchian55.8 - 50.3USA (Wyoming) Homogalax protapirinus (15468 15474 15476 15478 15573 15592 15593 15673 15682 15683 15687 15692 15694 15695 15697 15698 15699 15702 15704 15705 15706 15707 15728 15730 15741 15742 15743 15744 15745 15757 15758 15762 15768 15769 15770 15779 15782 15785 15790 15796 15797 15798 15799 15800 15802 15805 15806 15807 15814 15818 15819 15821 15933 15934 15994 16055 46641 46666 46667 46673 46674 46675 46682 46683 46687 46688 46689 46692 46696 46697 46698 46704 46707 46716 46717 46718 46721 46724 46730 46731 46732 46733 46735 46736 46738 46739 46740 46741 46743 46745 46746 46747 46748 46749 46753 46754 46756 46757 46758 46759 46760 46761 46762 46763 46765 46766 46767 46769 46771 46773 46777 46778 46782 46786 46789 46792 46797 46798 46800 46805 46808 46809 46810 46811 46814 46816 46817 46818 46819 46820 46825 46829 46830 46831 46832 46833 46834 46836 46837 46839 46840 46841 46842 46843 46845 46846 118482)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Homogalax protapirinus (15680 15681 15700)