Hostname: page-component-cd9895bd7-7cvxr Total loading time: 0 Render date: 2024-12-23T20:43:37.588Z Has data issue: false hasContentIssue false
  • English
  • Français

Notes on the Fauna of the Lower Devonian Beds of Torquay

Published online by Cambridge University Press:  01 May 2009

F. R. Cowper Reed
Get access Rights & Permissions [Opens in a new window]

Extract

Definition.—Shell large, elliptical, subquadrate; valves moderately convex; inferior margin very slightly curved, almost straight; posterior end well rounded above, truncated below and straight, meeting inferior margin at rather more than a rightangle; cardinal margin very slightly arched, nearly straight, but passing gradually into posterior margin; anterior end rounded. Beak large, rounded, prominent, subcentral, elevated above hingeline, incurved, not directed forwards. Umbonal ridge nanow, straight, running obliquely backwards to posterior lower angle of valve and causing a slight angulation of the surface. Shell ornamented with regular equidistant sharp concentric lamellose striæ about 30–40 in number, rather suddenly bent at an obtuse angle on crossing the umbonal ridge.

Type
Original Articles
Information
Geological Magazine , Volume 59 , Issue 7 , July 1922 , pp. 303 - 309
Copyright
Copyright © Cambridge University Press 1922

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

page 304 note 1 Hall, , Palæont. New York, vol. v, pt. ii, 1879, p. 464, pl. lxxvi, figs. 21–31.Google Scholar

page 304 note 2 Beushausen, , op. cit., t. vi, fig. 16.Google Scholar

page 304 note 3 Williams, , and Breger, , op. cit., pp. 163, 165, pl. xix, figs. 3, 9, 11, 13, 15, 16. (? pl. xxv, figs. 1, 3, 4, 5, 12).Google Scholar

page 304 note 4 Etheridge, , Geol. Mag., 1882, p. 154, pl. iv, fig. 4 (? 5) (Cypricardia lævisulcus).Google Scholar

page 305 note 1 Williams, , and Breger, , op. cit., p. 163.Google Scholar

page 305 note 2 Ibid., p. 163, pl. xix, fig. 8.

page 305 note 3 Beushausen, , op. cit., p. 81, pl. vii, figs. 6, 7.Google Scholar

page 305 note 4 Ibid., p. 84, pl. vi, figs. 10–15.

page 305 note 5 Beushausen, , op. cit., p. 200, t. xvii, figs. 14–16, 35; Maurer, Ber. Senck. Nalurf. Gesell, 1902, p. 60, t. vi, figs. 1, 2; Kegel, op. cit., p. 91.Google Scholar

page 305 note 6 Beushausen, , op. cit., p. 203, t. xvii, figs. 4–9.Google Scholar

page 305 note 7 Ibid., t. xvii, fig. 14.

page 305 note 8 Ibid., p. 201. t. xvii, figs. 10, 11.

page 307 note 1 Beushausen, , op. cit., p. 210, text fig. 17a–c.Google Scholar

page 307 note 2 Drevermann, , Palæontorjraphica, xlix, 1902, p. 91, t. xi, figs. 4–6.Google Scholar

page 307 note 3 Beushausen, , op. cit., p. 211, t. xvii, figs. 1–3.Google Scholar

page 307 note 4 Fuchs, , Abh. k. preuss. geol. Landesanst., N.F., Heft lxxix, 1915, p. 56, t. x, figs. 20–1.Google Scholar

page 307 note 5 Beushausen, , op. cit., p. 203, t. xvii. figs. 4–9.Google Scholar

page 307 note 6 Ibid., p. 205, t. xvii, fig. 34.

page 307 note 7 Oehlert, , Bull. Soc. Geol. France, ser. III, vol. v, 1877, p. 588, pl. ix, fig. 10.Google Scholar

page 307 note 8 Hall, , Palæont. New York, vol. iii, pt. ii, 1859, p. 300; pl. lv, figs. 9a–d; p. 469, pi. xcii, figs. 1–10; pi. cxiii, figs. 7, 8; pi. cxv, fig. 8. Williams and Breger, op. cit., p. 262, pi. xiii, figs. 18.Google Scholar

page 308 note 1 Fuchs, , Abh. k. preuss. geol. Landesanst., N.F., Heft lxxix, 1915, p. 64, t. xiii, figs. 14–17.Google Scholar

page 308 note 2 Roemer, A., Verstein. Harzgeb., 1843, p. 27, t. vii, fig. 4; Kayser, Abh. geol. spec. Kart. Preuss., ii, Heft iv, 1878, p. 93, t. xv, figs. 5–7.Google Scholar

page 308 note 3 Phillips, , Palæoz. Foss. Deo. Cornw., p. 107, pl. xl, fig. 2006.Google Scholar

page 308 note 4 Kegel, , op. oit., p. 42.Google Scholar

page 308 note 5 Clarke, , Foss. Dev. Parana, Mon. Serv. Geol. Miner. Brasil, vol. i, 1913, pp. 167–70.Google Scholar

page 308 note 6 Fuclis, , op. cit., p. 61, t. xiii, figs. 3, 5, and references.Google Scholar

page 308 note 7 Spriesterbach, , and Fuchs, , Abh. preuss. geol. Landesanst., N.F., Heft lviii, 1909, p. 75.Google Scholar

page 308 note 8 Ibid., p. 75, t. ii, figs. 1, 2.

page 308 note 9 Dahmer, , Jahrb. preuss. geol. Landesanst., f. 1919, Bd. xl, 2, Heft 2, (1921), p. 227, t. vii, figs. 10–12.Google Scholar