Olavius is a genus of oligochaete worms, first described by Christer Erséus in 1984.
Members of the genus are found in the waters of Queensland and Western Australia, off the coasts of Fiji and the Solomon Islands at depths of 200 m.
Subdivisions The following subdivisions are currently accepted within the genus Olavius.
Subgenus Olavius (Coralliodriloides) Olavius (Coralliodriloides) avisceralis (Erséus, 1981) Olavius (Coralliodriloides) fredi Erséus, 1997 Olavius (Coralliodriloides) hanssoni Erséus, 1984 Olavius (Coralliodriloides) loisae Erséus, 1984 Olavius (Coralliodriloides) mokapuensis Erséus & Davis, 1989 Olavius (Coralliodriloides) rottnestensis Erséus, 1993 Olavius (Coralliodriloides) strigosus Erséus & Davis, 1989
Subgenus Olavius (Olavius) Olavius (Olavius) alius Erséus, 1984 Olavius (Olavius) longissimus (Giere, 1979) Olavius (Olavius) pravus Erséus, 1990 Olavius (Olavius) tantulus Erséus, 1984
Other species
Olavius abrolhosensis Erséus, 1997 Olavius albidoides Erséus, 1997 Olavius albidus (Jamieson, 1977) Olavius algarvensis Giere, Erséus & Stuhlmacher, 1998 Olavius amplectens Erséus & Bergfeldt, 2007 Olavius avitus Erséus, 2003 Olavius bullatus Finogenova, 1986 Olavius capillus Erséus, 1997 Olavius caudatus (Erséus, 1979) Olavius clavatus (Erséus, 1981) Olavius comorensis (Erséus, 1981) Olavius cornuatus Davis, 1984 Olavius crassitunicatus Finogenova, 1986 Olavius curtus Erséus, 2003 Olavius fidelis Erséus & Bergfeldt, 2007 Olavius filithecatus (Erséus, 1981) Olavius finitimus Erséus, 1990 Olavius furinus Erséus, 2003 Olavius fusus Erséus, 1993 Olavius geniculatus (Erséus, 1981) Olavius gierei Erséus, 1997 Olavius hamulatus Erséus, 1997 Olavius ilvae Giere & Erséus, 2002 Olavius imperfectus Erséus, 1984 Olavius isomerus Erséus & Bergfeldt, 2007 Olavius latus Erséus, 1986 Olavius lifouensis Erséus & Bergfeldt, 2007 Olavius macer Erséus, 1984 Olavius manifae Erséus, 1985 Olavius montebelloensis Erséus, 1997 Olavius muris Erséus, 2003 Olavius nicolae Erséus & Giere, 1995 Olavius nivalis Erséus & Bergfeldt, 2007 Olavius paraloisae Erséus & Bergfeldt, 2007 Olavius parapellucidus Erséus & Davis, 1989 Olavius patriciae Erséus, 1993 Olavius pellucidus Erséus, 1984 Olavius planus (Erséus, 1979) Olavius prodigus Erséus, 1993 Olavius productus Erséus, 1997 Olavius propinquus Erséus, 1984 Olavius rallus Erséus, 1991 Olavius separatus Erséus, 1993 Olavius soror Erséus, 2003 Olavius tannerensis Erséus, 1991 Olavius tenuissimus (Erséus, 1979) Olavius ullae Erséus, 2003 Olavius ulrikae Erséus, 2008 Olavius vacuus Erséus, 1990 Olavius valens Erséus, 1997 Olavius verpa Erséus, 1985
References
Further reading Diaz, Robert J., and Christer Erseus. "Habitat preferences and species associations of shallow-water marine Tubificidae (Oligochaeta) from the barrier reef ecosystems off Belize, Central America." Aquatic Oligochaete Biology V. Springer Netherlands, 1994. 93-105. Giere, Olav, et al. "A comparative structural study on bacterial symbioses of Caribbean gutless Tubificidae (Annelida, Oligochaeta)." Acta zoologica 76.4 (1995): 281–290. Dubilier, Nicole, Anna Blazejak, and Caroline Rühland. "Symbioses between bacteria and gutless marine oligochaetes." Molecular Basis of Symbiosis. Springer Berlin Heidelberg, 2006. 251–275.