Prosphaerosyllis
Prosphaerosyllis  is een geslacht van borstelwormen uit de familie van de Syllidae. Erinaceusyllis werd voor het eerst wetenschappelijk beschreven door San Martin in 1984.

Soorten 
 Prosphaerosyllis adelae (San Martín, 1984)
 Prosphaerosyllis battiri San Martín, 2005
 Prosphaerosyllis bilineata (Kudenov & Harris, 1995)
 Prosphaerosyllis brachycephala Fukuda, Yunda-Guarin & Nogueira, 2009
 Prosphaerosyllis brandhorsti (Hartmann-Schröder, 1965)
 Prosphaerosyllis brevicirra (Hartmann-Schröder, 1960)
 Prosphaerosyllis campoyi (San Martín, Acero, Contonente & Gomez, 1982)
 Prosphaerosyllis chauseyensis Olivier, Grant, San Martín, Archambault & McKindsey, 2012
 Prosphaerosyllis danovaroi Langeneck, Musco & Castelli in Langeneck, Musco, Busoni, Conese, Aliani & Castelli, 2018
 Prosphaerosyllis fujianensis Ding & Westheide, 2008
 Prosphaerosyllis giandoi (Somaschini & San Martín, 1994)
 Prosphaerosyllis isabellae (Nogueira, San Martín & Amaral, 2001)
 Prosphaerosyllis kerguelensis (McIntosh, 1885)
 Prosphaerosyllis laubieri Olivier, Grant, San Martín, Archambault & McKindsey, 2012
 Prosphaerosyllis longicauda (Webster & Benedict, 1887)
 Prosphaerosyllis longipapillata (Hartmann-Schröder, 1979)
 Prosphaerosyllis magnoculata (Hartmann-Schröder, 1986)
 Prosphaerosyllis marmarae Çinar, Dagli & Acik, 2011
 Prosphaerosyllis modinouae Neal & Paterson in Neal et al., 2020
 Prosphaerosyllis multipapillata (Hartmann-Schröder, 1979)
 Prosphaerosyllis nathani (San Martín & López, 1998)
 Prosphaerosyllis opisthoculata (Hartmann-Schröder, 1979)
 Prosphaerosyllis palpopapillata (Hartmann-Schröder & Rosenfeldt, 1992)
 Prosphaerosyllis papillosissima (Hartmann-Schröder, 1979)
 Prosphaerosyllis semiverrucosa (Ehlers, 1913)
 Prosphaerosyllis sotoi Salcedo, San Martín & Solís-Weiss, 2016
 Prosphaerosyllis sublaevis (Ehlers, 1913)
 Prosphaerosyllis tetralix (Eliason, 1920)
 Prosphaerosyllis xarifae (Hartmann-Schröder, 1960)

Syllidae