- cir****actus Lea, 1871 Unio
recurvatus Lea, 1871 Unio
subglobatus Lea, 1871
Pleurobema conradi Vanatta, 1915 Unio
tornhatonii subsp.
duckensis de Gregorio, 1914...
- Pereira, 2014
Hygronemobius dissimilis (Saussure, 1874)
Hygronemobius duckensis (Martins & Pereira, 2014
Hygronemobius epia Otte & Perez-Gelabert, 2009...
-
Hymenoepimecis dolichocarinata Pádua & Sääksjärvi, 2020
Hymenoepimecis duckensis Pádua & Onody, 2015
Hymenoepimecis ecuatoriana Pádua & Sääksjärvi, 2020...
- Boldrini, 2017
Miroculis colombiensis Savage & Peters, 1983
Miroculis duckensis Savage & Peters, 1983
Miroculis eldorado Gama-Neto & Hamada, 2014 Miroculis...
- Rhomphaea) A.
dracus Chamberlin & Ivie, 1936 (Transferred to Faiditus) A.
duckensis González & Carmen, 1996 (Transferred to Faiditus) A.
ecaudatus (Keyserling...
- USA,
Mexico F.
dracus (Chamberlin & Ivie, 1936) – USA to
Paraguay F.
duckensis (González & Carmen, 1996) –
Brazil F.
ecaudatus Keyserling, 1884 (type)...
-
Faiditus dracus (Chamberlin & Ivie, 1936) — USA to
Paraguay Faiditus duckensis (González & Carmen, 1996) —
Brazil Faiditus ecaudatus Keyserling, 1884...