Abstract
ABSTRACTWe present the bat assemblage from the early Miocene (MN4, 16.9–15.95 MY) basin of Ribesalbes-Alcora, which has yielded the remains of ten chiropteran taxa. Bat assemblages are rarely recovered in the fluvio-lacustrine fossil record. A bat species described in this work,Cuvierimops penalverisp. nov., is a new form of a typically Oligocene free-tailed bat. In addition, the other molossidsHydromops helveticus,Rhizomops cf.brasiliensis,Chaerephonsp.,Tadaridasp., and the vespertilionidsMyotis cf.intermediusandMiostrellusaff.petersbuchensis, as well as undetermined fossils ascribed to the generaSubmyotodon,Plecotus, andRhinolophusare described. This is the first record of the genusRhizomopsin the early Miocene; the genusCuvierimopsis the first recording from the Neogene, while the ‘Lazarus taxon’Chaerephonis the first fossil record of this genus, registered previously only in Holocene deposits. This bat assemblage with a high abundance of molossids is typical from the early Oligocene of western Europe, while in the early Miocene from Europe the molossids are scarce. The abundance of these bats is consistent with the presence of a tropical forest surrounding a paleolake. The fossils from the Ribesalbes-Alcora Basin represent the most complete bat assemblage of the Iberian Peninsula during this age, and significantly increase our knowledge about the early Miocene bats of Europe.
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More From: Earth and Environmental Science Transactions of the Royal Society of Edinburgh
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