NIWA Guide to Polychaeta | Shore polychaetes | Pick shore group | Pick shore family | Shell polychaetes |
Cossura consimilis | Cossuridae (cossurid)
Scolecida (Annelida: Polychaeta) |
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Cossura consimilis Read, 2000. Family Cossuridae | ||||
Cossura consimilis [Click photo for picture page] ![]() | ||||
Habitat: | Intertidal. Soft shore. . Mud, muddy sands Infaunal. Depth range: 0-2330 (m). Salinity regime: Harbour-like variation. Microhabitat: Little known but presumably free-burrowing near surface Tube: none | |||
Occurrence: | Common. Density: 2000 (m2).
Distribution in NZ: New Zealand wide, including deep-sea. | |||
Feeding guild: | Selective surface deposit-feeding. | |||
Diagnosis: | Genus Cossura in Family Cossuridae.
Dorsal filament originating from ant. median surface of chaetiger 3. Ant. Region of at least 28 chaetigers, and adult body with a total of at least 90 chaetigers. Capillary chaetae only. Spine chaetae absent. Pygidium divided vertically into two lobes, with three long cirri. Colour: Pale body. Maximum size: 17 mm total length, 0.34 mm body width. |
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Notable aspect: | Single well-attached dorsal filament. Almost never lost when in preservative. | |||
Comparisons: | There are no confusable taxa. | |||
Taxonomy: | Not recorded from NZ until 1950's, and not described until 2000. | |||
Distribution: | Endemic. Unknown. Awaiting resolution of Australian Cossura taxonomy | |||
Biology: | Little known small thread-like worms. Occasionally common in the shallows of estuaries and harbours. Juveniles may be passive drifters postsettlement. Rarely collected intact | |||
Best References: | Biology: No recommendation. Taxonomy: Read (2000) Taxonomy and distribution of a new Cossura species (Annelida: Polychaeta: Cossuridae) from New Zealand. Proceedings of the Biological Society of Washington 113:1096-1110. | |||
More information: |
Synonyms, NZ records | Original figures | Original description details | |
Genus diagnosis | More pictures | Further references (biology, etc) | Family Cossuridae | |
Internet sources: |
GOOGLE Search | AlltheWeb Search | CISTI | CBIF BiOSC Gateway | GOBASE Molecular | GenBank | Genus only in GenBank | | |||
Genus only in Ubio Taxonomic Name Server | PubMed | Scirus | Zoological Record | | ||||
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The information provided by this page and by the pages of the "more information" links is held in a structured form for rapid and frequent updating and improvement. Descriptive text is compiled from a number of database fields, some of which may occasionally be empty. Data last edited 26/07/2004, and page last generated by G. Read, 27/07/2004 (dd/mm/yy) |