Agauopsis Viets, 1927 (original description)
Copidognathopsis Viets, 1927 (original description)
Copidognathus brevirostris Viets, 1927 (original description)
Copidognathus latus Viets, 1927 (original description)
Halacarellus Viets, 1927 (original description)
Halacarellus bergensis (Viets, 1927) accepted as Halacarellus floridearum (Lohmann, 1889) (original description)
Halacarellus floridearum (Lohmann, 1889) (additional source)
Halacarellus hexacanthus var. reductus (Viets, 1927) accepted as Thalassarachna hexacantha (Viets, 1927) (original description)
Halacarus bergensis Viets, 1927 accepted as Halacarellus floridearum (Lohmann, 1889) (original description)
Halacarus bisulcus Viets, 1927 (original description)
Halacarus hexacanthus Viets, 1927 accepted as Thalassarachna hexacantha (Viets, 1927) (original description)
Halacarus hexacanthus var. reducta Viets, 1927 accepted as Thalassarachna hexacantha (Viets, 1927) (original description)
Halacarus procerus Viets, 1927 accepted as Halacarellus procerus (Viets, 1927) (original description)
Halacarus similis Viets, 1927 accepted as Thalassarachna striata (Lohmann, 1889) (original description)
Lohmannella norvegica Viets, 1927 (original description)
Metarhombognathus armatus (Lohmann, 1893) (additional source)
Rhombognathides Viets, 1927 (original description)
Rhombognathides pascens (Lohmann, 1889) (additional source)
Rhombognathides seahami (Hodge, 1860) (additional source)
Rhombognathopsis Viets, 1927 (original description)
Rhombognathus levis Viets, 1927 accepted as Isobactrus levis (Viets, 1927) (original description)
Rhombognathus mollis Viets, 1927 accepted as Metarhombognathus mollis (Viets, 1927) (original description)
Rhombognathus mucronatus Viets, 1927 accepted as Rhombognathides mucronatus (Viets, 1927) (original description)