Proctodrilus antipai antipai (Michaelsen, 1891)
Alllolobophora antipae Michaelsen, 1891: 16 .
Eophila antipae antipae: Mihailova 1966: 192 .
Helodrilus antipai antipai: Zicsi & Michalis 1981: 247; Zicsi & Czusdi 1986: 114. Proctodrilus antipai antipai: Mršić & Šapkarev 1988: 11 .
Ecological group: endogeic (Szlavecz et al. 2010).
Habitat: forest soils (Milutinoviċ et al. 2010).
Zoogeographical distribution type: Central European (Csuzdi et al. 2011). Distribution in Bulgaria: rare, found only in three villages in South Bulgaria (Mihailova 1966).
Proctodrilus antipai tuberculatus (Č ernosvitov, 1935)
Eophila antipae var. tuberculata Černosvitov, 1935: 58; Mihailova 1966: 192. Helodrilus antipai tuberculatus: Perel 1979: 180; Zicsi & Czusdi 1986: 114. Allolobophora antipai tuberculata: Zicsi 1982: 440 .
Proctodrilus antipai tuberculatus: Mršić & Šapkarev 1988: 11 .
Ecological group: endogeic (Szlavecz et al. 2010).
Habitat: floodplains near river banks and foot hills (Höser 2011).
Zoogeographical distribution type: Trans-Aegean (Csuzdi et al. 2011).
Distribution in Bulgaria: rare, but found in whole country. Thracian valley (Mihailova 1966), Danube valley (Černosvitov 1937), Iskar gorge and South-western Bulgaria (Plisko 1963).
Genus Serbiona Mrši ć & Šapkarev, 1988