- family: Dictynidae
- genus: Thallumetus
- species: Thallumetus acanthochirus Simon, 1904
- species: Thallumetus dulcineus Gertsch, 1946
- species: Thallumetus latifemur (Soares & Camargo, 1948)
- species: Thallumetus octomaculellus (Gertsch & Davis, 1937)
- species: Thallumetus parvulus Bryant, 1942
- species: Thallumetus pineus (Chamberlin & Ivie, 1944)
- species: Thallumetus pullus Chickering, 1952
- species: Thallumetus pusillus Chickering, 1950
- species: Thallumetus salax Simon, 1893
- species: Thallumetus simoni Gertsch, 1945