Dimorphic brooding zooids in the genus Adeona Lamouroux from Australia (Bryozoa: Cheilostomata)

Philip E. Bock and Patricia L. Cook

Memoirs of Museum Victoria Vol 61 (2) p. 129–133 (2004)

DOI
http://doi.org/10.24199/j.mmv.2004.61.10

Abstract

The genus Adeona is a characteristic and common part of the Australian shelf fauna, extending to the tropical Indo- West Pacific. The genus first appears in the fossil record of the Miocene of south-eastern Australia. Zooid dimorphism has been recognised initially from subtle differences in the external appearance, which have not been described previously. Detailed examination has shown enlarged brooding zooids with marked differences from autozooids in the internal structure of the peristomes and in the occurrence of a primary calcified orifice.

Citation

Bock, P.E. & Cook, P.L., 2004. Dimorphic brooding zooids in the genus Adeona Lamouroux from Australia (Bryozoa: Cheilostomata). Memoirs of Museum Victoria 61: 129-133. http://doi.org/10.24199/j.mmv.2004.61.10

PUBLICATION DATE: 31 DECEMBER 2004

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