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First bryozoan fauna from the middle Miocene of Central Java,Indonesia
Authors:Emanuela Di Martino  Paul D. Taylor  Allan Gil S. Fernando  Tomoki Kase  Moriaki Yasuhara
Abstract:Di Martino, E., Taylor, P.D., Fernando, A.G.S., Kase, T. & Yasuhara, M. 3 June 2019, 2019. First bryozoan fauna from the middle Miocene of Central Java, Indonesia. Alcheringa 43, 461–478. ISSN 0311-5518.

Despite the publication of several taxonomic studies during the last few years, our knowledge of bryozoans from the diversity hotspot of the Indo-West Pacific remains seriously deficient. Here we describe 11 bryozoan species, comprising two anascan- and nine ascophoran-grade cheilostomes, from the middle Miocene (Langhian–Serravallian) of Sedan in Central Java, Indonesia. Three ascophoran-grade cheilostomes, Characodoma multiavicularia sp. nov. Di Martino & Taylor, Stenosipora? cribrata sp. nov. Di Martino & Taylor and Lacrimula patriciae sp. nov. Di Martino & Taylor, are described as new species. All of the three extant species have an Indo-Pacific distribution today and two are here reported as fossil for the first time. Four species are left in open nomenclature, either because of the scarcity of available material or the absence of crucial morphological features. Two of these, placed in Cosciniopsis and Actisecos, are likely to be new, while Discoporella sp. represents the easternmost known record for this common free-living genus. A single species, Lacrimula asymmetrica Cook & Lagaaij, was already known from the early Miocene of the same region, although from a site further to the east.

Emanuela Di Martino* [], Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK; Paul D. Taylor [], Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK; Allan Gil S. Fernando [], National Institute of Geological Sciences, The University of Philippines, Diliman, Quezon City, Philippines; Tomoki Kase [], National Museum of Nature and Science, Tsukuba, Japan; Moriaki Yasuhara [], School of Biological Sciences, Swire Institute of Marine Science, University of Hong Kong, Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong SAR, PR China
Keywords:Bryozoa  Cheilostomata  Cenozoic  Langhian  Serravallian  Indo-West Pacific.
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