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Homogalax
Taxonomy
Homogalax was named by Hay (1899). Its type is Systemodon primaevus. It is the type genus of Homogalaxinae.
It was assigned to Tapiridae by Hay (1902); to Homogalaxinae by Peterson (1919); to Perissodactyla by Holbrook (1999); to Ancylopoda by Hooker and Dashzeveg (2004); to Isectolophidae by Hay (1899), Radinsky (1963), Carroll (1988), Prothero and Schoch (1989), Colbert and Schoch (1998), Holbrook et al. (2004) and Lucas and Kondrashov (2004); and to Tapiromorpha by Colbert (2005).
It was assigned to Tapiridae by Hay (1902); to Homogalaxinae by Peterson (1919); to Perissodactyla by Holbrook (1999); to Ancylopoda by Hooker and Dashzeveg (2004); to Isectolophidae by Hay (1899), Radinsky (1963), Carroll (1988), Prothero and Schoch (1989), Colbert and Schoch (1998), Holbrook et al. (2004) and Lucas and Kondrashov (2004); and to Tapiromorpha by Colbert (2005).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1899 | Homogalax Hay |
| 1902 | Homogalax Hay p. 627 |
| 1919 | Homogalax Peterson p. 116 |
| 1963 | Homogalax Radinsky p. 9 |
| 1988 | Homogalax Carroll |
| 1989 | Homogalax Prothero and Schoch p. 532 |
| 1998 | Homogalax Colbert and Schoch p. 572 |
| 1999 | Homogalax Holbrook p. 346 |
| 2004 | Homogalax Holbrook et al. p. 951 |
| 2004 | Homogalax Hooker and Dashzeveg p. 1375 |
| 2004 | Homogalax Lucas and Kondrashov p. 215 |
| 2005 | Homogalax Colbert p. 6 |
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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.
G. †Homogalax Hay 1899
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†Homogalax aureus Gingerich 1991
†Homogalax namadicus Dashzeveg 1979
†Homogalax primaevus Wortman 1896
†Homogalax protapirinus Wortman 1896
†Homogalax wutuensis Chow and Li 1965
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. B. Radinsky 1963 | Small isectolophids with a more variable and more primitive dental mor-
phology than later members of the family. Premolar series longer relative to molar series than in any later tapiroids. Short diastemata sometimes present in dental series between 318 If a n d P§. P with o n e lingual cusp. M " with proto- a n d metaconules sometimes distinct. P} and P2_3 major cusps relatively higher and sharper than in later isectolophids. Meta- stylid present onMM. |