Family Hymenolepididae
Dildotaenia Dronen, Schmidt, Allison & Mellen, 1988
Dildotaenia latovarium Dronen, Schmidt, Allison & Mellen, 1988
Location: duodenum, jejunum, upper ileum.
Locality: Otago Peninsula (New Zealand).
Reference: Latham & Poulin (2002).
Aploparaxis Clerc, 1903
Aploparaxis larina Fuhrman, 1925
Other host: Larus hyperboreus Gunneros. Location: small intestine.
Locality: Antarctica .
Reference: Yamaguti (1959).
Aploparaxis primus Szidat, 1964 Location: small intestine.
Locality: Santa Fe Province (Argentina). Reference: Szidat (1964).
Nadejdolepis Spasskii & Spasskaya, 1954
Nadejdolepis alaskensis (Deblock & Rasuch, 1967)
Syn: Hymenolepis alaskensis Deblock & Rausch, 1967 Location: duodenum, jejunum, and upper ileum. Locality: Otago Peninsula (New Zealand).
Reference: Latham & Poulin (2002) (identification not certain).
Wardium Mayhew, 1925
Wardium arctowskii (Jarecka & Ostas, 1984) Syn.: Hymenolepis arctowskii Jarecka & Ostas, 1984 Location: jejunum, but also duodenum and ileum. Locality: King George Island ( Antarctica). Life history: H1: Branchinecta gaini Daday. References: Jarecka (1984), Jarecka & Ostas (1984).
Wardium semiductilis Szidat, 1964 (Syn.: Hymenolepis semiductilis).
Other host: L. maculipennis .
Location: small intestine.
Localities: Río Paraná, Santa Fe (Argentina). Reference: Szidat (1964).
Microsomacanthus Lopez-Neyra, 1942
Microsomacanthus shetlandicus Cielecka & Zdzitowiecki, 1981 Location: jejunum, Ileum.
Locality: King George Island ( Antarctica). Mar del Plata (Argentina). Other host: L. maculipennis .
Reference: Cielecka & Zdzitowiecki (1981). Labriola & Suriano (2001).