Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/43504
Title: A new crustacean from the Herefordshire (Silurian) Lagerstätte, UK, and its significance in malacostracan evolution
Authors: Siveter, David J.
Briggs, Derek E. G.
Siveter, Derek J.
Sutton, Mark D.
Legg, David
First Published: 22-Mar-2017
Publisher: Royal Society, The
Citation: Proceedings of the Royal Society B: Biological Sciences, 2017, 284 (1851), pp. 20170279-20170279
Abstract: Cascolus ravitis gen. et sp. nov. is a three-dimensionally preserved fossil crustacean with soft parts from the Herefordshire (Silurian) Lagerstätte, UK. It is characterized by a head with a head shield and five limb pairs, and a thorax (pereon) with nine appendage-bearing segments followed by an apodous abdomen (pleon). All the appendages except the first are biramous and have a gnathobase. The post-mandibular appendages are similar one to another, and bear petal-shaped epipods that probably functioned as a part of the respiratory–circulatory system. Cladistic analysis resolves the new taxon as a stem-group leptostracan (Malacostraca). This well-preserved arthropod provides novel insights into the evolution of appendage morphology, tagmosis and the possible respiratory–circulatory physiology of a basal malacostracan.
DOI Link: 10.1098/rspb.2017.0279
ISSN: 0962-8452
eISSN: 1471-2954
Links: https://royalsocietypublishing.org/doi/10.1098/rspb.2017.0279
http://hdl.handle.net/2381/43504
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2017. This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Description: Electronic supplementary material is available online at https://dx.doi.org/10.6084/m9.figshare.c.3721774.
Appears in Collections:Published Articles, Dept. of Geology

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