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On a New Genus of Echinoderm, and Observations on the Genus Palæchinus

Published online by Cambridge University Press:  17 March 2016

Thomas Austin
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Extract

Shape not well defined in the specimens obtained. Ambulacral, areas wide; the two rows of pores in double pairs near the margin, with alternate additional perforated plates near the widest spread of the ambulacra; where these additional plates intervene the pores become quadruple; interambulacral areas wide.

The Protoechinos differs wholly from Palæchinus; and bears bat little affinity to any recent or fossil echinoderm with which I am acquainted.

Type
Research Article
Information
The Geologist , Volume 3 , Issue 12 , December 1860 , pp. 446 - 448
Copyright
Copyright © Cambridge University Press 1860

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