Calder D.R. (1986). Symmetroscyphus, a new genus of thecate hydroid (family Thyroscyphidae) from Bermuda. Proceedings of the Biological Society of Washington. 99: 380-383.

23849

Calder D.R.

1986

99: 380-383

Publication

https://www.biodiversitylibrary.org/page/34595851

Available for editors  

A new genus, Symmetroscyphus, is proposed for the single species Thyroscyphus intermedius Congdon, 1907, a shallow water hydroid of the family Thyroscyphidae Stechow, 1920, from Bermuda. Unlike the closely allied genus Thyroscyphus Allman, 1877, with its erect hydroid colonies and bilaterally symmetrical hydrothecae, Symmetroscyphus typically has stolonial colonies and radially symmetrical hydrothecae. Symmetroscyphus intermedius is superficially similar to but morphologically distinct from Calamphora parvula Allman, 1888, Sertularella solitaria Nutting, 1904, and Sertularella campanulata Warren, 1908

Systematics, Taxonomy

Hydrozoa

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