New species and records of Caulleriella (Annelida, Cirratulidae) from shelf and slope depths of the Western North Atlantic Ocean Author Blake, James A. Aquatic Research & Consulting, 24 Hitty Tom Road, Duxbury, MA 02332. USA. & Department of Invertebrate Zoology, Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138 USA. text Zootaxa 2021 2021-06-21 4990 2 253 279 journal article 10.11646/zootaxa.4990.2.3 9452c756-88bb-4955-ac26-1910d6ec0bd6 1175-5326 5026312 ED8988CB-357D-4AD2-9810-CBD1C131CC8A Family Cirratulidae Ryckholt, 1851 Diagnosis . Body elongate with numerous short segments; not divided into distinct regions but anterior and/or posterior segments sometimes expanded and crowded. Prostomium narrow and conical or broad and wedge shaped, without appendages; eyespots present or absent; paired dorsolateral nuchal organs present. Peristomium achaetous, smooth or with two or more distinct annuli. Grooved dorsal tentacles arise as a single pair or as multiple groups of filaments on posterior margin of peristomium or on one or more anterior setigerous segments. Branchiae long, filamentous, usually occurring over numerous segments. Parapodia biramous with rudimentary podial lobes. Setae simple, including capillaries, acicular spines or bidentate hooks. Pygidium a simple lobe sometimes with sub-anal disk, or terminal cirri. Pharynx ventral, unarmed. Sexual and asexual reproduction may occur.