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Thylamys zettii
Discussion
Named in memory of Jorge Zetti (19381974), who originally described the holotype
Taxonomy
Thylamys zettii was named by Goin (1997). Its type specimen is MLP 66-XII-13-3, a mandible (left mandible with canine, p1, p3–m2), and it is a 3D body fossil. Its type locality is Base of Arroyo Guamini, which is in a Huayquerian terrestrial horizon in the Epecuen Formation of Argentina.
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Thylamys zettii Goin p. 481 fig. 1 |
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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.
†Thylamys zettii Goin 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. Goin 1997 | Similar a la especie viviente T venusta pero diferenciándose de esta última en los siguientes rasgos: mayor tamaño, canino algo más comprimido y procumbente, borde ventral mandibular más recto, paracónidos proporcionalmente más grandes, menor diferencia de altura entre protocónidos y metacónidos, entocónidos más bajos que los hipocónidos. |
Measurements
No measurements are available
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| Source: subf = subfamily, f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Goin 1997, Lillegraven 1979, Carroll 1988, Nowak 1991, Hendy et al. 2009 | |||||
Age range: Huayquerian or 8.00000 to 5.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Huayquerian | Argentina (Buenos Aires) | Thylamys zettii (type locality: 211640) |