English: Identifier: guidetofossilinv00brit (find matches)
Title: A guide to the fossil invertebrate animals in the Department of geology and palaeontology in the British museum (Natural history)
Year: 1907 (1900s)
Authors: British Museum (Natural History). Dept. of Geology Bather, Francis Arthur, 1863-
Subjects: Fossils
Publisher: London, Printed by order of the Trustees
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library
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the more important species, theletters IST, S, and E respectively denote the Northern,Southern, and Extinct forms :—Gastropoda: Bittium reticu-latum (S), Boreotrophon (Trophon) clathratum (N), Littorinalittorea (N), Neptunea antiqiuc (N), Tricolia (^Phasianella)pulla (S), Tritonofttsus Leckenhyi (E), Turritella comm.unis(N). Lamellibranchia: Acila (Nmidct) Cobholdim (E), Arealactea (S), Callista ( Venus) chione (S), Cerastoderma (Cardium) 128 GUIDE TO THE FOSSIL INVEETEBEATE ANIMALS. Gallery edule (N), Clilamys \Pecten\ opercidaris (S), Cyprina islandicaVIII. ^^-^^ Macoma (Tellina) halthica (N), Mya truncata (N),Scrobimlaria plana (S), Tridonta \Astarte\ ardica (N), Ven-tricola \_Vemis) casina (S).Central The non-marine series comprises shells of land andCase Al. fresh-water mollusca, found chiefly in river drifts andalluvium. These also are arranged under localities, of whichthe following are the more important: London and Essex(Fulham, Blackfriars, Admiralty Buildings, Lea Valley,
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Pig. 68.—Shells of Non-marine Mollusca from the Eiver-Drift of theLondon District. 1, 2, Unio littoralis; 3, 4, Corhicula fluminalis;5, Pisidium astartoides ; 6, P. amniciim; 7, Helix fruticum; 8, Paludes-trina (Hydrohia) marginata. (Lent by Mr. B. B. Woodward ; from hispaper in Proc. Geol. Assoc., London, XL, p. 335, 1890.) Copford, Walthamstow, Witham, liford, and Grays); Kent(Crayford and Crossness); Cambridgeshire (Barnwell andBarrington). Most of the species still live in England, buta few are altogether extinct. Thus of those depicted inFig. 68 only Fisidium amnicum remains; other extantspecies are Helix nemoralis, Jaminia (Ptopa) muscomim,Pomatias (Cyclostoma\ elegans, Bithynia tentaculata, Ancylusfluviatilis, and Neritina Jiuviatilis, among gastropods, withUnio tumidus and Anodonta cygnaea among lamellibranchs. MOLLUSCA (except CEPHALOPODA). 129 Pliocene. The shells are primarily arranged under theformations from which they come: the )^orwich Crag andthe Eed Crag, both of As
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