''Grania'' is a genus of marine annelid worms in the class

Clitellata The Clitellata are a class of annelid worms, characterized by having a clitellum - the 'collar' that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species. Unlike the class of Polychaeta, the ...

. They are found at many depths in sands throughout the world. They are generally about in length and mostly colorless or white, though ''Grania colorata'', a recently discovered species found in the

Great Barrier Reef The Great Barrier Reef is the world's largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over over an area of approximately . The reef is located in the Coral Sea, off the coast of Queensland, ...

, is green.

Species

There are 72 species in the genus ''Grania'' which have been identified. They include:Prantoni, Alessandro L., De Wit, Pierre &

Christer Erséus Christer Erséus, born 1951 in Borås, is a Swedish zoologist. He defended his doctoral dissertation in 1980 at the University of Gothenburg, where in 1991 he became professor of zoology and director of studies in zoomorphology and systematics. P ...

(2016). First reports of ''Grania'' (Clitellata: Enchytraeidae) from Africa and South America: molecular phylogeny and descriptions of nine new species. ''Zoological Journal of the Linnean Society''. 176: 485-510. *''Grania acanthochaeta'' Rota & Erséus, 1996 *''Grania algida'' Rota & Erséus, 1996 *''Grania alliata'' Coates & Stacey, 1993 *''Grania americana'' Kennedy, 1966 *''Grania angustinasus'' Rota & Erséus, 1996 *''Grania antarctica'' Rota & Erséus, 1996 *''Grania aquitana'' Rota & Erseus, 2003 *''Grania ascophora'' Coates, 1990 *''Grania atlantica'' Coates & Erséus, 1985 *''Grania bekkouchei'' Prantoni, De Wit & Erséus, 2016 *''Grania bermudensis'' Erséus & Lasserre, 1976 Grania sp Chile

*''Grania brasiliensis'' Prantoni, De Wit & Erséus, 2016 *''Grania breviductus'' De Wit, Rota & Erséus, 2009 *''Grania bykane'' Coates, 1990 *''Grania canaria'' Rota & Erseus, 2003 *''Grania capensis'' Prantoni, De Wit & Erséus, 2016 *''Grania carchinii'' Rota & Erséus, 1996 *''Grania carolinensis'' Prantoni, De Wit & Erséus, 2016 *''Grania cinctura'' De Wit & Erséus, 2007 *''Grania chilensis'' Prantoni, De Wit & Erséus, 2016 *''Grania colorata'' De Wit, Rota & Erséus, 2009 *''Grania conjuncta'' Coates & Stacey, 1993 *''Grania crassiducta'' Coates, 1990 *''Grania curta'' De Wit & Erséus, 2007 *''Grania cryptica'' Prantoni, De Wit & Erséus, 2016 *''Grania darwinensis '' Coates & Stacey, 1997) *''Grania dolichura'' Rota & Erséus, 2000 *''Grania ersei'' Coates, 1990 *''Grania euristila'' Coates & Stacey, 1997 *''Grania fiscellata'' De Wit & Erséus, 2007 *''Grania fortunata'' Rota & Erseus, 2003 *''Grania fustata'' De Wit & Erséus, 2007 *''Grania galbina'' De Wit & Erséus, 2007 *''Grania hastula'' Coates, 1990 *''Grania hinojosai'' Prantoni, De Wit & Erséus, 2016 *''Grania hirsuticauda'' Rota & Erséus, 1996 *''Grania homochaeta'' De Wit, Rota & Erséus, 2009 *''Grania hongkongensis'' Erséus, 1990 *''Grania hylae'' Locke & Coates, 1999 *''Grania hyperoadenia'' Coates, 1990 *''Grania incerta'' Coates & Erséus, 1980 *''Grania inermis'' Erséus, 1990 *''Grania integra'' Coates & Stacey, 1997 *''Grania lasserrei'' Rota & Erséus, 1997 *''Grania laxarta'' Locke & Coates, 1999 *''Grania levis'' Coates, 1985 *''Grania longiducta'' Erséus & Lasserre, 1976 *''Grania longistyla'' Coates & Stacey, 1993 *''Grania macrochaeta '' Pierantoni, 1901) *''Grania mangeri '' Michaelsen, 1914) *''Grania maricola'' Southern, 1913 *''Grania mauretanica'' Rota & Erseus, 2003 *''Grania mira'' Locke & Coates, 1998 *''Grania monochaeta '' Michaelsen, 1888) *''Grania monospermatheca'' Erséus & Lasserre, 1976 *''Grania novacaledonia'' De Wit & Erséus, 2007 *''Grania ocarina'' Rota, Erséus & Wang, 2003 *''Grania occulta'' De Wit & Erséus, 2010 *''Grania ovitheca'' Erséus, 1977 *''Grania pacifica'' Shurova, 1979 *''Grania papillata'' De Wit & Erséus, 2007 *''Grania papillinasus'' Rota & Erseus, 2003 *''Grania parvitheca'' Erséus, 1980 *''Grania paucispina '' Eisen, 1904) *''Grania postclitellochaeta '' Knöllner, 1935) *''Grania principissae '' Michaelsen, 1907) *''Grania pusilla'' Erséus, 1974 *''Grania quaerens'' Rota, Wang & Erséus, 2007 *''Grania reducta'' Coates, 1985 *''Grania regina'' De Wit, Rota & Erséus, 2009 *''Grania roscoffensis'' Lasserre, 1967 *''Grania simonae'' Prantoni, De Wit & Erséus, 2016 *''Grania sperantia'' Rota, Wang & Erséus, 2007 *''Grania stephensoniana'' Rota & Erséus, 1997 *''Grania stilifera'' Erséus, 1990 *''Grania tasmaniae'' Rota & Erséus, 2000 *''Grania torosa'' Rota & Erseus, 2003 *''Grania trichaeta'' Jamieson, 1977 *''Grania unitheca'' Prantoni, De Wit & Erséus, 2016 *''Grania vacivasa'' Coates & Stacey, 1993 *''Grania variochaeta'' Erséus & Lasserre, 1976 *''Grania vikinga'' Rota & Erseus, 2003

References

Enchytraeidae {{Annelid-stub