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I.—On a Collection of Jurassic Cephalopoda from Western Australia—Obtained by Harry Page Woodward, F.G.S., Government Geologist—with Descriptions of the Species
Published online by Cambridge University Press: 01 May 2009
Extract
Sp. char.—Shell (cast) discoidal, somewhat inflated, rather rapidly increasing. Whorls somewhat inflated, very convex on the periphery, less convex on the sides, rounded near the umbilicus. Umbilicus moderately wide, occupying nearly one-third of the diameter of the shell. Number of whorls and amount of inclusion unknown. Height of outer whorl rather more than one-third of the diameter of the shell. Each whorl ornamented with ahout 20 short, thick, umbilical ribs, each of which commences at the suture, extends radially or with a very slight forward inclination over one-fourth of the width of the lateral area, and terminates in a radially elongated tubercle.
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References
page 433 note 1 Not Ammonites Woodwardi, Seeley, H. O., Ann. Mag. Nat. Hist. [3], vol. xvi. 1865, p. 236, pl. xi. f. 3, which probably belongs to the section Hoplites, Neumayr.Google Scholar
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