Haplosyllis is a genus of annelids belonging to the family Syllidae. The genus has cosmopolitan distribution.
Description Members of the genus Haplosyllis differ in size from less than 1 mm in length up to 6 cm, and are dorsally arched and ventrally flat, like most Syllids. Most species are white to yellow in colour and are without coloured markings. The genus is characterized by the presence of simple, hooked shape chaetae.
Species Haplosyllis contains the following species:
Haplosyllis aciculata Haplosyllis agelas Haplosyllis amphimedonicola Haplosyllis anitae Haplosyllis anthogorgicola Haplosyllis aplysinicola Haplosyllis aurantiaca Haplosyllis basticola Haplosyllis brevicirra Haplosyllis carmenbritoae Haplosyllis cephalata Haplosyllis chaetafusorata Haplosyllis crassicirrata Haplosyllis cratericola Haplosyllis djiboutiensis Haplosyllis eldagainoae Haplosyllis giuseppemagninoi Haplosyllis granulosa Haplosyllis guillei Haplosyllis gula Haplosyllis imajimai Haplosyllis ingensicola Haplosyllis lattigae Haplosyllis larsi Haplosyllis leylae Haplosyllis loboi Haplosyllis navasi Haplosyllis nicoleae Haplosyllis niphatesicola Haplosyllis ohma Haplosyllis orientalis Haplosyllis rosenalessoae Haplosyllis sanchoi Haplosyllis sandii Haplosyllis spongicola Haplosyllis spongiphila Haplosyllis streptocephala Haplosyllis tenhovei Haplosyllis trifalcata Haplosyllis uncinigera Haplosyllis vassiae
Ecology Most members of Haplosyllis live in association with sponges.
References