Onchnesoma squamatum squamatum (Koren and Danielssen, 1875)
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Worm resemble ball on a string.
Trunk is nearly spherical and introvert up to five times the introvert length.
Skin coarse, densely covered with large gray papillae.
6-8 tentacles.
Single (right) nephridium.
Size
Common trunk length: 4-5mm long and 2-3mm wide
Color
Dark with large gray papillae
Habitat
Inhabits sand and mud as well as detritic bottoms. Known temperatures range between 4° and 10° C.
Feeding
Unknown
Life cycle
Unknown
Distribution
Restricted to the northern Atlantic Ocean and Mediterranean Sea.
References
- Cutler EB (1965) Sipunculids of Madagascar. Extrait des Cahiers ORSTOM. Oceanographie 3:51-63
- Cutler EB (1973) Sipuncula of the western north Atlantic. Bulletin of the American Museum of Natural History 152:103-204
- Cutler EB (1994) The Sipuncula. Their Systematics, Biology, and Evolution. 1-453
- Fischer W (1922) Gephyreen des Reichsmuseums zu Stockholm. Archiv für Zoologi 14:1-39
- Fischer W (1929) Die Sipunculiden, Priapuliden und Echiuren der Arktis. 5
- Gibbs PE (2001) Sipunculans. Key and Notes for the Identification of British Species, Synopses of the British Fauna (New Series). Crothers J.H.// Hayward P.J.
- Gibbs PE, Cutler EB (1987) A classification of phylum Sipuncula. Bulletin of the British Museum Natural History Zoology 52:43-58
- Murina GV (1977) Marine worms of the Arctic and boreal waters of Europe. Identification books of the USSR fauna
- Murina GV, Sorensen J (2004) Marine Worms of the Phylum Sipuncula in Faroese waters. Fr?dskaparrit 51:280-291
- Pancucci-Papadopoulou MA, Murina GV, Zenetos A (1999) The phylum Sipuncula in the Mediteranean Sea. 1-109
- Wesenberg-Lund E (1930) Priapulida and Sipunculidae. Danish Ingolf-Expedition 4:1-44
- Wesenberg-Lund E (1937) Gephyrea :The zoology of Iceland. 2:1-17
- Wesenberg-Lund E (1938) Norwegian Gephyrea from the collections of the Zoological Museum of Trondheim. Det Kongelige Norske Videnskabers Selskabs Forhandlinger 11:26-29
