Polyphysia crassa är en ringmaskart som först beskrevs av Örsted 1843. Polyphysia crassa ingår i släktet Polyphysia och familjen Scalibregmatidae. Arten är reproducerande i Sverige. Utöver nominatformen finns också underarten P. c. fauveli.
Källor Dyntaxa Polyphysia crassa Muller, Y. (2004) Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp., ITIS database, Gosner, K.L. (1971) Guide to identification of marine and estuarine invertebrates: Cape Hatteras to the Bay of Fundy. John Wiley & Sons, Inc. 693 p., Linkletter, L.E. (1977) A checklist of marine fauna and flora of the Bay of Fundy. Huntsman Marine Laboratory, St. Andrews, N.B. 68 p., Brunel, P., L. Bosse, and G. Lamarche. (1998) Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 p., Fauchald, Kristian (2007) World Register of Polychaeta, Bellan, G. (2001) Polychaeta, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50:, 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, Quatrefages, Armand de. (1866) Histoire naturelle des Annelés marins et d'eau douce. Annélides et Géphyriens. Volume 1. 1-588. Librarie Encyclopédique de Roret. Paris., Støp-Bowitz, Carl (1945) Les scalibregmiens de Norvege. Meddelelser fra det Zoologiske Museum, Oslo, 55: 63-87., WoRMS Polychaeta: World List of Polychaeta. Read G. & Fauchald K., 2010-12-10 Bidenkap, Olaf (1894) Systematisk oversigt over Norges Annulata Polychaeta. Forhandlinger fra Videnskabs-Selskabet i Christiania, 1894(10): 1-142., McIntosh, W.C. (1915) A monograph of the British Annelids. Volume III. Part I. Text. Polychaeta, Opheliidae to Ammocharidae. 1-368. Ray Society. London., Örsted, Anders Sandoe. (1843) Annulatorum danicorum conspectus. Volume Fasc. 1 Maricolae. 1-52. Librariae Wahlianae. Hafniae., Augener, H. (1925) Zoologische Ergebnisse der ersten Lehr-Expedition der Dr. P. Schöttlander'schen Jubiläums-Stiftung III. Polychaeta. Mitteilungen aus dem zoologisches Museum, Berlin, 12: 105-116., Furreg, Erik (1925) Zur Systematik der Polychätenfamilie Scalibregmidae. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere, 50(2): 123-190.,
Kategori:Havsborstmaskar crassa