A guide to the fossil invertebrate animals in the Department of geology and palaeontology in the British museum (Natural history) . ne; the original specimen of the widely dis- /. Crippsi is of historical importance, ^pondylns Table-casespinosus with the long spines well preserved (Fig. 70), and five-ribbed fan-shell Neithea quinqiiecostata (Fig. 71 a),are characteristic of the Upper Chalk; the gastropod P/e?^-rotomarict perspectiva is Turonian. Here too are tubes ofTeredo amphisbwna, and several specimens of the curiousBadiolites Mortoni, one of the Eudista3 (see p. 143). Fo
A guide to the fossil invertebrate animals in the Department of geology and palaeontology in the British museum (Natural history) . ne; the original specimen of the widely dis- /. Crippsi is of historical importance, ^pondylns Table-casespinosus with the long spines well preserved (Fig. 70), and five-ribbed fan-shell Neithea quinqiiecostata (Fig. 71 a),are characteristic of the Upper Chalk; the gastropod P/e?^-rotomarict perspectiva is Turonian. Here too are tubes ofTeredo amphisbwna, and several specimens of the curiousBadiolites Mortoni, one of the Eudista3 (see p. 143). Following on these are shells of Cenomanian age, Table-casescoming from the Lower Chalk, Upper Greensand, and Chalk 6 & Here may be noted the cocks-comb oyster Alcctryonictcarinata, the scollops Cldamys Beaveri and C. asper, of whichthe latter gives a name to the Pecten asper zone, the 132 GUIDE TO THE FOSSIL INVERTEBRATE ANIMALS. Gallery four-ribbed Neithca quadricostata, and Syncyclonewia [Pecten]VIII. orUmlaris. Among the Grey Chalk fossils from Folkestone,Rostcllaria Fried and Aioorrhais Mantelli are Fig, 70.—A Lamellibranch shell, Spondyltts spinosics, common ;in theSenonian Chalk of England. Natural size. Table-case A beautiful series of silicified shells from Blackdown andHaldon in Devonshire, a set from the Eed Chalk of
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Keywords: ., bookauthorbr, bookcentury1900, bookdecade1900, booksubjectfossils
