Knightjonesia, a new genus (Polychaeta: Spirorbidae) with a winged opercular peduncle, and its taxonomy

Autor:	T. Gottfried Pillai
Rok vydání:	2009
Předmět:	Systematics Serpulidae Sabellida biology Genus Spirorbidae Zoology Animal Science and Zoology Taxonomy (biology) Anatomy biology.organism_classification Ecology Evolution Behavior and Systematics
Zdroj:	Zootaxa. 2059:46-50
ISSN:	1175-5334 1175-5326
DOI:	10.11646/zootaxa.2059.1.4
Popis:	It had hitherto been assumed in publications on serpulimorph systematics that spirorbids are characterized by an operculum borne on a wingless peduncle. However, while examining various spirorbid collections in the Natural History Museum, London, it was found that the type specimens of Helicosiphon platyspira Knight-Jones, 1978 possess a winged opercular peduncle, a character that had hitherto been used to distinguish between other serpulimorph genera. Accordingly, Helicosiphon platyspira is transferred to a new genus, Knightjonesia, in which the opercular peduncle is winged, in contrast with Helicosiphon in which it is wingless.
Databáze:	OpenAIRE
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