Olavius
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 Olavius (Coralliodriloides) fredi Erséus, 1997Olavius (Coralliodriloides) hanssoni Erséus, 1984Olavius (Coralliodriloides) loisae Erséus, 1984Olavius (Coralliodriloides) mokapuensis Erséus & Davis, 1989Olavius (Coralliodriloides) rottnestensis Erséus, 1993Olavius (Coralliodriloides) strigosus Erséus & Davis, 1989
Subgenus ''Olavius'' (Olavius)
Olavius (Olavius) alius Erséus, 1984Olavius (Olavius) longissimus Olavius (Olavius) pravus Erséus, 1990Olavius (Olavius) tantulus Erséus, 1984
Olavius abrolhosensis Erséus, 1997Olavius albidoides Erséus, 1997Olavius albidus Olavius algarvensis Giere, Erséus & Stuhlmacher, 1998Olavius amplectens Erséus & Bergfeldt, 2007Olavius avitus Erséus, 2003Olavius bullatus Finogenova, 1986Olavius capillus Erséus, 1997Olavius caudatus Olavius clavatus Olavius comorensis Olavius cornuatus Davis, 1984Olavius crassitunicatus Finogenova, 1986Olavius curtus Erséus, 2003Olavius fidelis Erséus & Bergfeldt, 2007Olavius filithecatus Olavius finitimus Erséus, 1990Olavius furinus Erséus, 2003Olavius fusus Erséus, 1993Olavius geniculatus Olavius gierei Erséus, 1997Olavius hamulatus Erséus, 1997Olavius ilvae Giere & Erséus, 2002Olavius imperfectus Erséus, 1984Olavius isomerus Erséus & Bergfeldt, 2007Olavius latus Erséus, 1986Olavius lifouensis Erséus & Bergfeldt, 2007Olavius macer Erséus, 1984Olavius manifae Erséus, 1985Olavius montebelloensis Erséus, 1997Olavius muris Erséus, 2003Olavius nicolae Erséus & Giere, 1995Olavius nivalis Erséus & Bergfeldt, 2007Olavius paraloisae Erséus & Bergfeldt, 2007Olavius parapellucidus Erséus & Davis, 1989Olavius patriciae Erséus, 1993Olavius pellucidus Erséus, 1984Olavius planus Olavius prodigus Erséus, 1993Olavius productus Erséus, 1997Olavius propinquus Erséus, 1984Olavius rallus Erséus, 1991Olavius separatus Erséus, 1993Olavius soror Erséus, 2003Olavius tannerensis Erséus, 1991Olavius tenuissimus Olavius ullae Erséus, 2003Olavius ulrikae Erséus, 2008Olavius vacuus Erséus, 1990Olavius valens Erséus, 1997Olavius verpa Erséus, 1985