Vespertiliavus - An Eocene Bat
- Vespertiliavus was a bat that lived during the Eocene (54-38 million years ago). Fossils of Vespertiliavus have been found in Germany and France. Vesperiliavus is classified in the family Emballonuridae. That bat family still exists; the genus Myotis is a member of it. Myotis is considered to be the closest living relative of Vespertiliavus. There are many species of Myotis; they are scattered over the globe. About 86 species of Myotis have been identified.
Steven Barghoorn wrote an article about a particular find of Vespertiliavus. The title is New material of Vespertiliavus Schlosser (Mammalia, Chiroptera) and suggested relationships of emballonurid bats based on cranial morphology, American Museum of Natural History. It was published in 1977 by the American Museum of Natural History in New York. This excerpt from the abstract says:
Two previously undescribed skulls of Vespertiliavus Schlosser have occasioned close examination of emballurid and other chiropteran cranial morphology in order to assess its usefulness for elucidating phylogenetic relationships within the Emballuridae. A Ludian to Sannoisian age for the fossils from the Quercy Phosphorites of France, suggests that many features of the basicranium and ear region, seen in closely related genera, are ancient and have changed little in the course of later Tertiary evolution.
P.S. The taxonomy of Vespertiliavus is:
The species are:
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