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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde

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Foss. Rec., 18, 37-42, 2015
https://doi.org/10.5194/fr-18-37-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
02 Dec 2014
A new species of Lacinius in amber (Arachnida: Opiliones)
P. G. Mitov1, J. A. Dunlop2, and D. Penney3 1Department of Zoology and Anthropology, Faculty of Biology, University of Sofia, 8 Dragan Tsankov Blvd., 1164 Sofia, Bulgaria
2Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115 Berlin, Germany
3Faculty of Life Sciences, University of Manchester, Oxford Road, Manchester M13 9PL, UK
Abstract. A new specimen of Lacinius Thorell, 1876; (Opiliones: Phalangiidae) from Eocene Baltic amber is described. We interpret it as conspecific with a slightly younger record from the German Bitterfeld amber, originally referred to as the extant species L. erinaceus Staręga, 1966. Our new specimen reveals pedipalpal apophyses on both the patella and the tibia, features which we can now confirm in the Bitterfeld fossil too. This unique character combination for the genus justifies a new, extinct species: Lacinius bizleyi sp. nov. The Baltic amber inclusion dates to ca. 44–49 Ma, and is thus the oldest putative example of Lacinius in the fossil record. It is a further example of an arachnid species shared between Baltic and Bitterfeld amber.

Citation: Mitov, P. G., Dunlop, J. A., and Penney, D.: A new species of Lacinius in amber (Arachnida: Opiliones), Foss. Rec., 18, 37-42, https://doi.org/10.5194/fr-18-37-2015, 2015.
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