Bats of the Sangkulirang limestone karst formations, East Kalimantan - a priority region for Bornean bat conservation Author Suyanto, Agustinus Museum Zoologicum Bogoriense, Widyasatwaloka Building, Jl. Raya Bogor Km 46, Cibinong 16911, Indonesia Author Struebig, Matthew J. School of Biological and Chemical Sciences, Queen Mary, University of London, London, E 1 4 NS, United Kingdom & Corresponding author: E-mail: m. struebig @ qmul. ac. uk m.struebig@qmul.ac.uk text Acta Chiropterologica 2007 2007-04-01 9 1 67 95 journal article 21493 10.3161/1733-5329(2007)9[67:botslk]2.0.co;2 d40d94a8-75f5-486c-a377-6c1c7ba067dc 1733-5329 3944605 Rhinolophus acuminatus Peters 1871 Acuminate horseshoe bat New material 1♂ ( MZB M26349 ). Records from Borneo Sabah : Bandu Tuhan, Betotan, Danum Valley, Gunung Kinabalu, Pulau Banggi, Sepilok, Tabin, Tawau, Upper Sungai Kua- mat ( Payne et al ., 2000 ). CentKal: Lengku- an near Sampit (MZB). Comments A single male individual distinguished by its size, dark coloration and pointed connecting process, was captured in a harp- trap set across a trail in heavily burnt forest dominated by Piper sp. at the Baai forma- tion. Otherwise in Borneo it is only known from one location in Central Kalimantan and scattered localities in Sabah . This study extends the known distribution of this species ( Boitani et al ., 2006 ) southward by 300 km .