Andracantha gravida (Alegret, 1941) Schmidt, 1975 (basis of record)
Arhythmorhynchus frassoni (Molin, 1858) Lühe, 1911 (basis of record)
Arhythmorhynchus pumilirostris Van Cleave, 1916 (basis of record)
Arhythmorhynchus uncinatus (Kaiser, 1893) Lühe, 1912 (basis of record)
Atactorhynchus verecundus Chandler, 1935 (additional source)
Bolbosoma vasculosum (Rudolphi, 1819) Porta, 1908 (additional source)
Caballerorhynchus lamothei Salgado-Maldonado, 1977 (basis of record)
Dollfusentis bravoae Salgado-Maldonado, 1976 (basis of record)
Dollfusentis chandleri Golvan, 1969 (additional source)
Dollfusentis ctenorhynchus (Cable & Linderoth, 1963) Golvan, 1969 (basis of record)
Filisoma fidum Van Cleave & Manter, 1947 (basis of record)
Floridosentis mugilis (Machado Filho, 1951) Bullock, 1962 (additional source)
Gorgorhynchoides bullocki Cable & Mafarachisi, 1970 (basis of record)
Gorgorhynchus clavatus Van Cleave, 1940 (basis of record)
Gorgorhynchus medius (Linton, 1908) Chandler, 1934 (basis of record)
Hexaglandula corynosoma (Travassos, 1915) Petrochenko, 1958 (basis of record)
Illiosentis heteracanthus Cable & Linderoth, 1963 (basis of record)
Neoechinorhynchus (Hebesoma) doryphorus Van Cleave & Bangham, 1949 (basis of record)
Octospiniferoides chandleri Bullock, 1957 (basis of record)
Polymorphus acutis Van Cleave & Starrett, 1940 (additional source)
Polymorphus obtusus Van Cleave, 1918 (basis of record)
Pomphorhynchus lucyi Williams & Rogers, 1984 (basis of record)
Serrasentis sagittifer (Linton, 1889) Linton, 1932 (additional source)
Southwellina hispida (Van Cleave, 1925) Witenberg, 1932 (additional source)
Tegorhynchus furcatus (Van Cleave & Lincicome, 1939) accepted as Illiosentis furcatus Van Cleave & Lincicome, 1939 (basis of record)