Farrea is 'n genus van sponse uit die familie van die glassponse (Hexactinellida). Farrea aculeata (Bowerbank, 1875) Farrea ananchorata (Reiswig & Kelly, 2011) Farrea anoxyhexastera (Reiswig & Kelly, 2011) Farrea beringiana (Okada, 1932) Farrea campossinus (Lopes, Hajdu & Reiswig, 2011) Farrea convolvulus (Schulze, 1899) Farrea costifera Farrea deanea (Bowerbank, 1875) Farrea fistulata (Bowerbank, 1875) Farrea foliascens (Topsent, 1906) Farrea gassiotti (Bowerbank, 1875) Farrea hanitschi (Ijima, 1927) Farrea herdendorfi (Duplessis & Reiswig, 2004) Farrea inermis (Bowerbank, 1876) Farrea intermedia ((Marshall & Meyer, 1877)) Farrea irregularis (Bowerbank, 1876) Farrea kurilensis (Okada, 1932) Farrea laevis (Bowerbank, 1875) Farrea laminaris (Topsent, 1904) Farrea lendenfeldi (Ijima, 1927) Farrea medusiforma (Reiswig & Kelly, 2011) Farrea mexicana (Wilson, 1904) Farrea nodulosa (Ijima, 1927) Farrea occa (Bowerbank, 1862) Farrea onychohexastera (Reiswig & Kelly, 2011) Farrea parasitica (Bowerbank, 1875) Farrea perarmata (Bowerbank, 1876) Farrea pocillum (Bowerbank, 1875) Farrea raoulensis (Reiswig & Kelly, 2011) Farrea robusta (Bowerbank, 1875) Farrea seiri (Duplessis & Reiswig, 2004) Farrea similaris (Reiswig & Kelly, 2011) Farrea sollasi (Schulze, 1886) Farrea spinifera (Bowerbank, 1875) Farrea spinosissima (Bowerbank, 1875) Farrea spinulenta (Bowerbank, 1875) Farrea spirifera (Ijima, 1927) Farrea valida (Bowerbank, 1875) Farrea vosmaeri (Schulze, 1886) Farrea watasei (Okada, 1932) Farrea weltneri (Topsent, 1901) Farrea woodwardi ((Kent, 1870))