On the determination of the Microchoerus (Omomyidae, Primates) remains from Sant Cugat de Gavadons (Late Eocene, Ebro Basin, NE Spain)
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OBJECTIVES: The presence of Microchoerus in Sant Cugat de Gavadons (Late Eocene, Ebro Basin, Northeastern Spain) was first noted by M. Crusafont, who described a fragment of maxilla with two teeth that he interpreted as P(4) and M(1) and referred this specimen to the species Microchoerus ornatus. The objective of this work is to study in detail this fossil and check if the previous taxonomic determination was correct. METHODS: We reexamine the single specimen from Sant Cugat de Gavadons, providing for the first time detailed descriptions, measurements and illustrations. We also compare this fossil with the holotype of Microchoerus ornatus from Mormont Entreroches (Switzerland) and with the type material of all other described species of Microchoerus. RESULTS: Although the scarcity of material from Sant Cugat de Gavadons and the strong wear of the two available teeth (which in fact correspond to P(3) and P(4)) do not allow a determination at the specific level, it is clear that this form presents notable differences with the type of M. ornatus and must not be referred to this species. DISCUSSION: Neither the anatomical identification of the two teeth of this maxillary fragment, nor the specific determination of the specimen from Sant Cugat de Gavadons was correct. The ascription of this fossil to Microchoerus ornatus, which represented the only mention of the species in the Iberian Peninsula, is no longer valid. Therefore, the known geographical range of M. ornatus remains restricted to Switzerland
Archaeology · Biology · Cartography · Drainage basin · Genus · Geography · Holotype · Peninsula · Range (aeronautics) · Structural basin · Zoology · Evolution and Paleontology Studies · Geology · Paleontology · Pleistocene-Era Hominins and Archaeology · Primate Behavior and Ecology
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| Obras citantes distintas | 2 |
|---|---|
| Citações por ano | 0,22 |
| Intervalo de citações | 2017 - 2018 (2) |
| Velocidade de citação | historical |
| Altamente citado | Não |
| Tipos de citação | Neutras: 2 |