Lumbricus polyphemus (Fitzinger, 1833)
Enterion polyphemus Fitzinger, 1833: 551 .
Lumbricus polyphemus: Černosvitov 1935: 77; Mihailova 1965: 261; Perel 1979: 213; Zicsi 1982: 436.
Ecological group: anecic (Bauer et al. 1998).
Habitat: forest soils, cultivated soils (Bauer et al. 1998).
Zoogeographical distribution type: Central European (Csuzdi et al. 2011). Distribution in Bulgaria: lives only in forests in North Bulgaria, Veliko Tarnovo (Mihailova 1965).