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Cossura consimilis Cossuridae (cossurid)
Scolecida (Annelida: Polychaeta)
Cossura  consimilis  Read, 2000.   Family Cossuridae  
     Cossura consimilis
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 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.
 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.

 Synonyms,  NZ records Original figures Original description details
 Genus diagnosis More pictures Further references (biology, etc) Family Cossuridae

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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)