UF 294322, a left lower third molar (m3) of the gomphothere Gomphotherium sp. Top: occlusal view, bottom: labial view. Figure modified from MacFadden et al. 2015.
On this week’s Fossil Friday I would like to show you a gomphothere tooth from Lake Alajuela (Alajuela Formation). Gomphotheres are extinct members of the mammalian Order Proboscidea (modern-day elephants are also members of this order). This specimen was found by Dr. John Turner in 1959 when he was a high school student. He discovered the tooth when he was at the Madden Boy Scout Camp (Lake Alajuela was formerly known as Lake Madden. The age of the specimen is difficult to discern, but it is likely mid- to late Miocene/early Pliocene in age. This specimen is the first known evidence of a pre-Pleistocene proboscidean in Panama.
To learn more about this specimen, read the paper detailing its discovery and taxonomy here.
MacFadden, B. J., Morgan, G. S., Jones, D. S., Rincon, A. F. 2015. Gomphothere proboscidean (Gomphotherium) from the late Neogene of Panama. Journal of Paleontology, 89(2): 360-365. doi: 10.1017/jpa.2014.31.
Guess who’s back for a second round with the PCP-PIRE project! Yes, this time I find myself here in scenic Gainesville, FL at the Florida Museum of Natural History to experience the next step in the fossil specimens’ journey from the field to becoming integral parts of the Panamanian Collections. So far I have spent a good deal of my time divided between three primary tasks: my research projects, fossil preparation, and cataloging of the specimens amongst their peers in the endless sea of cabinets they’re housed in. My first days were dedicated to the cleaning of an assortment of artiodactyl, protoceratid, and horse mandibles, as well as a titanothere tooth. Continue reading
Summer 2014 intern Robyn Henderek is at poster booth 358 today (Sunday) showcasing the stratigraphic efforts currently being undertaken to understand the history of Lake Alajuela (formerly known as Madden Lake) in Panama. Mollusk, shrimp, crab, crocodilian, gomphothere, and other fossils have been found there.
She also has flyers with student job opportunities for field internships in Panama, museum internships in the Florida Museum of Natural History, and a new post-doc opportunity with PCPPIRE!