File:A guide to the fossil invertebrate animals in the Department of geology and palaeontology in the British museum (Natural history) (1907) (14592714990).jpg

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

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
he collections of the late W. Vicary and 140 GUIDE TO THE FOSSIL INVEETEBRATE ANIMALS. Gallery J. E. Lee, and have been described by the Eev. G. F. Whid-borne in the Monographs of the Palaeontographical Society.Here are most of the genera already observed in the Carboni-ferous series. Among lameUibranchs Cardiola retrostriata isimportant to the stratigrapher.Table-case Silurian. The Ludlovian Age is represented by fossilsfrom Ledbury, Ludlow, and Kendal, the Wenlockian byfossils from Dudley and Benthall Edge, the Valentian by afew Bellerophons from the Llandovery beds. In addition tothe Palaeozoic genera already mentioned, one may see herePterinaea (Fig. 75 h), Orthonota, and Grammysia among thecommon lameUibranchs. The gastropods include numerousforms allied to EuomphaluSy one of them, Polytropina,preserving the operculum, also the slightly curved JEcculiom-2)halus, and Trematonotus (Fig. 75/), the pierced backally of Bellero2:)Jion. The Amphineura are represented byHelmintliochiton.
Text Appearing After Image:
Fig. 75.—Lower PalEeozoic LameUibranchs and Gastropods, a, Cardiolainterrupta; b, Pterinsea Danbyi; c, BelleropJion cambriensis, a recon-structed side view; d, Platyceras (Acroculia) \haliotis; e, MaclureaLogani, the type-specimen, a, b, d, and/, are Silurian from the Wen-lock beds of Dudley; e is Ordovician, from the lower Llandeilo of Ayr-shire ; c, Cambrian, from the Upper Festiniog beds of Dolgelly. a andc are nat. size ; b, d, e, f, ; natural size, (Table-case 16.) Table-case Ordovician. The rocks of this Epoch, formerly classedas Lower Silurian, have furnished molluscan fossils from theCaradoc, Llandeilo, and Arenig divisions. Those exhibitedcome mostly from Wales and Shropshire, but there are a MOLLUSCA (except CEPHALOPODA). 141 few from Tyrone, and a fine series of the loosely-coiled GalleryMaclurea from Scotland (Fig. 75 e). VIII. Cambrian Mollusca are few, and in Wales, where the Table-easerocks are exposed, the shells are poorly preserved. Glyptarcaprimaeva and Belleropho

Note About Images