Traits Taxon list
Echinosoma hispidum (A. Agassiz, 1898) accepted as Tromikosoma hispidum (A. Agassiz, 1898)
Sperosoma antillense Mortensen, 1934
Sperosoma armatum Koehler, 1927
Sperosoma biseriatum Döderlein, 1901
Sperosoma crassispinum Mortensen, 1934
Sperosoma durum Döderlein, 1905
Sperosoma giganteum A. Agassiz & H.L. Clark, 1907
Sperosoma grimaldii Koehler, 1897
Sperosoma nudum Shigei, 1977
Sperosoma obscurum A. Agassiz & H.L. Clark, 1907
Sperosoma quincunciale de Meijere, 1904
Sperosoma tristichum Mortensen, 1934
Tromikosoma australe (Koehler, 1922)
Tromikosoma hispidum (A. Agassiz, 1898)
Tromikosoma koehleri Mortensen, 1903
Tromikosoma panamense (A. Agassiz, 1898)
Tromikosoma rugosum Anderson, 2016
Tromikosoma tenue (A. Agassiz, 1879)
Tromikosoma uranus (Thomson, 1877)