Physical Description

Diagnostic Description

Description

Body short or long, prostomium without appendages, palps absent. Pharynx a ventral muscular pad. Some anterior segments may be fused and asetigerous; some segments with median dorsal cirri; paired lateral branchiae present in some juveniles. Setae in double fascicles; parapodial lobes absent.
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Source: World Register of Marine Species

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description

Body short or long, prostomium without appendages, palps absent. Pharynx a ventral muscular pad. Some anterior segments may be fused and asetigerous; some segments with median dorsal cirri; paired lateral branchiae present in some juveniles. Setae in double fascicles; parapodial lobes absent. This small family of tiny polychaetes recently has been reorganized and redefined by Hartmann-Schroder.
  • Fauchald, K. 1977. The polychaete worms, definitions and keys to the orders, families and genera. Natural History Museum of Los Angeles County: Los Angeles, CA (USA) Science Series 28:1-188
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Source: World Register of Marine Species

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Evolution and Systematics

Evolution

Classification

The independence of Ctenodrilidae from Cirratulidae is uncertain, compounded by the possibility of misidentification of cirratulid juveniles as ctenodrilids. Taxonomists Hartmann-Schröder, 1996 & recently Magalhães et al (2011) treat them as distinct, as does Salazar-Vallejo et al. (2008) in a morphological analysis, but at least some molecular work places them in cirratulids (e.g., Rousset et al. 2007)
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© WoRMS for SMEBD

Source: World Register of Marine Species

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