Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 12. 1985. (Budapest, 1985)
FRAGMENTA MINERALOGICA et PALAEONTOLOGICA 12. 1985 p. 51-57 Bats from the Lowermost Pleistocene Locality 15 at Beremend, Hungary (Mammalia, Chiroptera) By Gy. TOPÁL (Received December 28, 1984) Abstract: A study of the scattered chiropteran remains found at Beremend 15, aged as Lowermost Pleistocene, is given with discussions on Rhinolophus estramontis , Myotis cf. kormosi, Myotis blythi , Pipistrellus sp. (cf. pipistrellus ), Eptesicus cf. prae- glacialis. During the large scale open-field mining activities in limestones at Beremend, southern Hungary, a very rich fauna of fossil mammals and birds was discovered at the beginning of the 1980s. In the series of the various localities the present one was named Beremend Locality 15 and short field trips were led there by Dr. D. JÁNOSSY and Dr. L. KORDOS in 1981 and 1982 in order to make field collectings and obtain clay material for further washing and selecting. The locality yielded large numbers of small mammal specimens not yet published but sorted to genera and partly to species. Of these, worth of mention are the microtines, such as a species of the Mimomys stehlini group and Dolomys mille ri , as well as the interesting eomyid rodent Es- tramomys simplex , which all are indicative of a Lowermost Pleistocene age for the locality (D. JÁNOSSY pers. comm.). Among the other mammals bats are less numerous, which means an open-field origin of the fauna. At least, the exclusion of the bats coming from cave deposits is almost certain.Consequently the chiropteran faunal composition corresponds to the ones usually found in owl pellets, i.e., few specimens and not exclusively "cave species", but remains mostly of slow-flying animals. The bats of Beremend Locality 15 are discussed in detail because of their early age and less usual origin. Rhinolophus estramontis Topái, 1979 One left lower M 1. Collected by D. JÁNOSSY and the author. Measurements: Antero-posterior length 2.27 mm, trigonid width 1.29 mm, talonid width 1.45 mm. Remarks . The specimen was compared with the holotype of Rh. estramontis and a few specimens of Rh. kowalskii Topái 1979. There is a difference between the two species in their M 1 trigonid, the angle of frontal margin to the orocaudal axis of tooth being smaller in Rh. kowalskii and greater in Rh. estramontis . The present specimen clearly shows the character of Rh. estra montis and was fully sufficient for the identification. The wide talonid of the present M 1 well separates it from Rh. anomalidens , too.