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Form and function in a Recent free living brachiopod Magadina cumingi

Published online by Cambridge University Press:  25 May 2016

Joyce R. Richardson  and
Jeanette E. Watson
Joyce R. Richardson
Affiliation:
National Museum of Victoria, Russell St., Melbourne, Victoria, 3000
Jeanette E. Watson
Affiliation:
National Museum of Victoria, Russell St., Melbourne, Victoria, 3000
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Abstract

Magadina cumingi (Davidson) lives in an environment of high current energy and mobile sediments using the pedicle as an elevating device. This previously undescribed substrate relationship is reflected in pedicle form, the muscular system, distribution of secondary thickening and characters of the beak. The cardinalia provide the evidence of key differences in the muscular system from an attached species Magellania australis (Quoy and Gaimard) and a free lying species with atrophied pedicle Neothyris lenticularis (Deshayes). The possession of an open foramen in articulate brachiopods is not synonymous with permanent attachment.

Type
Research Article
Information
Paleobiology , Volume 1 , Issue 4 , Fall 1975 , pp. 379 - 387
Copyright
Copyright © The Paleontological Society 

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References

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