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Ultrastructure of the spirocyst tubule in black corals (Coelenterata: Antipatharia) and its taxonomic implications by W. M. Goldberg; G. T. Taylor is a Environmental Science article available to read on EtoBox.

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Spirocyst tubules in five shallow-water antipatharian species Antipathes pennacea, Antipathes sp. cf. salix, A. fiordensis, A. galapagensis, and Cirrhipathes luetkeni) contain an electron-opaque, helically arranged structure, composed of four distinct and separate bundles of microfibril-like material. Each bundle appears to be solid, rather than hollow, and is enveloped by a sheath of lesser electron-opacity that is continuous with the pleats. Tubules from a more distantly related, deep-water antipatharian, are similarly configured but are composed of only three distinct bundles, separated from one another by electronopaque sheath material. The bundles are electron-lucent; their substructure was not preserved because this specimen was prepared for microscopy after preservation in alcohol for 27 yr, apparently without initial fixation. Most other details of the spirocyst tubule and capsule can be determined from this museum specimen. The arrangement within the tubule of multiple bundles, clearly defined by sheaths, is structurally distinct from other zoantharian spirocysts, and appears to be unique to the Antipatharia. The tubule structure of the anemone Aiptasia sp., examined for c

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Author

W. M. Goldberg; G. T. Taylor

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0025-3162)

Published

1996

Language

EN

Field

Environmental Science (Physical Sciences)