The 81st Annual Meeting of the American Association of Physical Anthropologists (2012)


New material of Anchomomys (Adapoidea, Primates) from the Spanish fossil site of Caenes (Salamanca)

JUDIT MARIGÓ1, RAEF MINWER-BARAKAT1 and SALVADOR MOYÀ-SOLÀ2.

1Institut Català de Paleontologia Miquel Crusafont (ICP), Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Spain, 2ICREA at the Institut Català de Paleontologia Miquel Crusafont (ICP), Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Spain

Thursday 1:15-1:30, Broadway III/IV Add to calendar

The Middle Eocene locality of Caenes (MP15-16), excavated in the 1980s-1990s, yielded scarce, although very interesting, primate material still unstudied. It consists of two complete and one fragmentary right upper molars, and two left mandible fragments, one showing a complete P/4 and the other presenting an almost complete P/4, a parcial M/1 and a complete M/2, and both with the rest of the alveoli from the lower C to the M/3.

The upper molars are larger than those of A. frontanyesis from Sant Jaume de Frontanyà (MP14-15) and show a larger hypocone and a stronger anterocingulum.

In the mandible fragments, the alveoli for the canines are huge. There is a single P/1 alveolus in one of the mandible fragments, although it is missing in the other one. Alveoli for P/2 and P/3 show that these teeth were double-rooted and located obliquely in both mandibles.

The P/4, with continuous buccal and lingual cingulids, a very poorly-developed paraconid, a high protoconid and a small hypoconid, are very Anchomomys-like, larger than A. frontanyesis. The M/2 presents a high trigonid with no paraconid and a well-developed paracristid, and it is larger than A. frontanyensis, differing from it in the more developed premetacristid and the more lingual cristid obliqua.

Even though this material shows differences with A. frontanyensis, the only Anchomomys species known from Spain, more teeth are needed to determine its specific ascription, as well as its belonging to the Iberian Anchomomys lineage, different from that of the rest of Europe.

This study was funded by the project “Historia Evolutiva de los Primates del Paleógeno y Neógeno de la Península Ibérica” of the Ministerio de Ciencia e Innovación (Spain), grant number CGL2011-27343. J.M. is funded by the Generalitat de Catalunya (Catalonia), grant numbers 2010FIB176 and 2010BE00758.

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