Associated with floating 'Gulf Weed' (Sargassum spp.), pieces of which are occasionally cast ashore on European coasts from the Channel coasts to Portugal and Mediterranean. Native in Sargasso Sea, Florida Straits.
- Hayward, P.J.; Ryland, J.S. (Ed.) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
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