Ctenodrilidae

Identification guide

Currently there are no published records of Ctenodrilidae from Australia. All known genera are described below.

Aphropharynx Wilfert, 1974
Type species Aphropharynx heterochaeta Wilfert, 1974
Description Short bodies (up to about 15 segments), lacking branchaie. Chaetae include both capillaries and serrated chaetae. Heart body present from chaetiger 1. [After Petersen & George, 1991; figure supplied from Wilfert, 1974 Cahiers de Biologie Marine 15; 495-504. Need these figures

Ctenodrilus Claparède, 1863
Type species Parthenope cirrata Schmidt, 1857
Description Body maximally with 15 segments with one achaetous segment present. Chaetae thick, marginally coarsely dentate or smooth [After Fauchald, 1977r; figure supplied from Fig 3a Fauchald, 1977 of Ctenodrilus serratus

Raphidrilus Monticelli, 1910
Type species Raphidrilus nemasoma Monticelli, 1910r
Description Body long and slender, with at least 18 segments, one achaetous segment present. Chaetae include capillaries and genital spines in adult males. Paired branchiae present in juveniles. [After Fauchald, 1977; maybe a good figure in Monticelli, 1910 Archivo delle Zoologico , Napoli 4(4):401-436 plates 12-13 need this figure

Raricirrus Hartman, 1961 (emended)
Type species Raricirrus maculata Hartman, 1961
Description Peristomium not well delineated from prostomium of chaetiger 1. Nuchal organs, flat, oval surrounded by fields of cilia. Last 6-9 segments shorter than preceding ones forming distinct posterior region. Branchaie simple, filamentous, similar width throughout. Notochaetae serrated capillaries, natatory capillaries and in posterior region coarsely serrate forms, neurochaetae falcate and finely pectinate in posterior region developing into broader, flacate, coarsely serrate forms, simple curved spines sometimes replacing most or all normal chaetae. [After Petersen & George, 1991; figure from p. 189 supplied from Petersen & George, 1991

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