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Pachynolophidae
Taxonomy
Pachynolophidae was named by Pavlow (1888). It is not extant.
It was assigned to Pachynolophoidea by Prothero and Schoch (1989); to Tapiromorpha by Hooker (1996); and to Equoidea by Astibia et al. (2000) and Badiola et al. (2002).
It was assigned to Pachynolophoidea by Prothero and Schoch (1989); to Tapiromorpha by Hooker (1996); and to Equoidea by Astibia et al. (2000) and Badiola et al. (2002).
Subtaxa
Synonymy list
Year | Name and author |
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1888 | Pachynolophidae Pavlow |
1989 | Pachynolophidae Prothero and Schoch p. 531 |
1996 | Pachynolophidae Hooker p. 162 |
2000 | Pachynolophidae Astibia et al. p. 242 |
2002 | Pachynolophidae Badiola et al. p. 842 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Hendy et al. 2009, Carroll 1988, Nowak 1999, Ji et al. 2002 |
Age range
Maximum range based only on fossils: base of the Bartonian to the top of the MP 18 or 41.30000 to 33.90000 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Bartonian | Spain (Barcelona) | Metaplagiolophus atoae (142030) | |
MP 18 | Spain (Basque County) | Mammalia indet. (38817) |