Leptorhynchoides plagicephalus (Westrumb, 1821) Kostylew, 1924

Host: Aci. gueldenstaedtii

Locality (reference): Caspian Sea (Hajimoradlou & Ghorbani 2003; Sattari & Mokhayer 2005a)

Host: Aci. nudiventris

Locality (reference): Caspian Sea (Sattari & Mokhayer 2005a)

Host: Aci. persicus

Locality: Caspian Sea (Ghoroughi 1994; Sattari et al. 2000a; Hajimoradlou & Ghorbani 2003; Sattari & Mokhayer 2005b; Ebrahimi & Malek 2007; Masoumzadeh et al. 2007; Haghparast et al. 2007; Rajabpour et al. 2008)

Host: Aci. stellatus

Locality: Caspian Sea (Asgharzadeh & Hajimoradlou 2002; Sattari et al. 2000b; Sattari & Mokhayer 2005b; Ebrahimi & Malek 2007; Rajabpour et al. 2008)

Host: Huso huso

Locality: Caspian Sea (Ghoroughi 1994)