The growth stages of the lophophore of the brachiopods Platidia davidsoni (Eudes Deslongchamps) and P. anomioides (Philippi), with notes on the feeding mechanism

Author:

Atkins D.

Abstract

The lophophore of Platidia, as illustrated in most memoirs and text-books, bears little resemblance to its appearance in life, no doubt because such illustrations and the accompanying descriptions were based on dried specimens. The lophophore of Platidia has been considered to be of a peculiar sigmoid type, differing from that of any other known lophophore. The dredging by R.V. ‘Sarsia’ of three species of the genus in recent years has afforded the opportunity of figuring the lophophore in its natural state, and the working out of its growth stages in P. davidsoni and P. anomioides: these were previously unknown for any species of Platidia. The third species, a new one, is described separately (Atkins, 1959).

Publisher

Cambridge University Press (CUP)

Subject

Aquatic Science

Reference31 articles.

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2. Senn E. , 1934. Die Geschlechtsverhaltnisse der Brachiopoden, im besonderen die Spermato- und Oogenese der Gattung Lingula. Acta zool., Stockh., Bd. 15, pp. 1–152.

3. Descriptions of a few new recent species of Brachiopoda;Davidson;Proc. zool. Soc. Lond.,1852

4. A new species ofPlatidia(Brachiopoda) from the La Chapelle Bank region

5. Relations between metachronism and the direction of ciliary beat in Metazoa;Knight-Jones;Quart. J. micr. Sci.,1954

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