A Spiral Brachidium in the Jurassic Chonetoid Brachiopod Cadomella
- 1 February 1966
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 103 (5), 403-406
- https://doi.org/10.1017/s0016756800053991
Abstract
A spiral brachidium has been discovered in the Lower Jurassic brachiopod Cadomella, which is generally regarded as the last representative of the Chonetidina. Cadomella is transferred to the Koninckinidae, which are considered to be spire-bearing Chonetidina rather than aberrant Spiriferida. This interpretation implies another independent evolution of spiralia within the Brachiopoda.This publication has 1 reference indexed in Scilit:
- XXIII.—Descriptions of some species of BrachiopodaAnnals and Magazine of Natural History, 1847