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IV.—Sympterura Minveri, n. g. et sp.: A Devonian Ophiurid from Cornwall

Published online by Cambridge University Press:  01 May 2009

F. A. Bather
F. A. Bather
Affiliation:
British Museum (Natural History).
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Extract

The specimen (Fig. 6), kindly entrusted to me for description by Mr. Howard Fox, consists of the oral skeleton surrounded by portions of the disc and of portions of the five rays, all seen from what is believed to be the ventral or actinal surface, and lying on a fragment of the dark slate of the locality, Epphaven. The skeletal parts being preserved in pyrites, it has proved possible to develop the specimen slightly by washing with weak hydrofluoric acid and then brushing with a soft brush. The specimen is, however, so minute and delicate that this process could not be carried very far.

Type
Original Articles
Information
Geological Magazine , Volume 2 , Issue 4 , April 1905 , pp. 161 - 169
Copyright
Copyright © Cambridge University Press 1905

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References

page 164 note 1 Proc. Zool. Soc. London, 1896, p. 1033; 1897.

page 164 note 2 Zeitschr. wiss. Zool., vol. xxxvi, p. 181; 1881.

page 165 note 1 Bull. Mus. Comp. Zool. Harvard, vol. xiii, No. 4; 1887.

page 166 note 1 See Dr. O. Jaekel's interesting account of genera from the Lower Palæozoic rocks of Bohemia, intermediate between Asterids and Ophiurids: Zeitschr. Deutsch. geol. Ges., lv, Protok. pp. 106–113; 1904. References to the older literature will be found in Dr. Gregory's oft-quoted paper.

page 167 note 1 Zool. Anzeiger, xxiv, p. 609; Nov. 1901.

page 168 note 1 σúv and πtεpóv, ‘paired wiuga,’ and oὐvpá, ‘tail,’ as in Ophiura, Zapworthura, etc.