Four new Laniatorean harvestmen (Arachnida: Opiliones) from mid-Cretaceous Burmese amber |
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| Institution: | 1. Freie Universität Berlin, Institute of Geological Sciences, Palaeontology Section, Malteserstraße 74-100, D-12249 Berlin, Germany;2. Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstraße 43, D-10115 Berlin, Germany;3. University of Wisconsin-Madison, Department of Integrative Biology, 352 Birge Hall, 430 Lincoln Drive, Madison, WI 53706, USA;4. Department of Geology, University of Kansas, 1414 Naismith Drive, Lawrence, KS 66045, USA;5. Natural History Museum, Cromwell Road, London SW7 5BD, UK;6. College of Life Sciences and Academy for Multidisciplinary Studies, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing 100048, China |
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| Abstract: | Four new laniatorean harvestmen specimens (Arachnida: Opiliones: Laniatores) are described from the mid-Cretaceous (upper Albian–lower Cenomanian) Burmese amber of Northern Myanmar. One is placed as Insidiatores indet., but is not formally named as it is probably immature. Burmalomanius circularis n. gen. n. sp. and Petroburma tarsomeria n. gen. n. sp. represent the first fossil records of the extant families Podoctidae and Petrobunidae respectively. Finally, Mesodibunus tourinhoae n. gen. n. sp. belongs to Epedanidae, a family previously recorded from Burmese amber. These new records bring the total number of Burmese amber laniatorean species to ten, and the total number of fossil laniatoreans to fifteen. The new finds offer additional calibration points for the Laniatores tree of life and are consistent with the hypothesis that the modern Laniatores fauna of Southeast Asia may have had Gondwanan, as opposed to a Laurasian, origins. |
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| Keywords: | biogeography mid-Cretaceous fossil record Laniatores Southeast Asia taxonomy |
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