- family: Araneidae
- genus: Cladomelea
- genus: Kaira
- genus: Mastophora
- species: Mastophora abalosi Urtubey & Báez, 1983
- species: Mastophora alachua Levi, 2003
- species: Mastophora apalachicola Levi, 2003
- species: Mastophora archeri Gertsch, 1955
- species: Mastophora bisaccata (Emerton, 1884)
- species: Mastophora brescoviti Levi, 2003
- species: Mastophora carpogaster Mello-Leitao, 1925
- species: Mastophora catarina Levi, 2003
- species: Mastophora comma Báez & Urtubey, 1985
- species: Mastophora conifera (Holmberg, 1876)
- species: Mastophora cornigera (Hentz, 1850)
- species: Mastophora corpulenta (Banks, 1898)
- species: Mastophora corumbatai Levi, 2003
- species: Mastophora cranion Mello-Leitao, 1928
- species: Mastophora diablo Levi, 2003
- species: Mastophora dizzydeani Eberhard, 1981
- species: Mastophora escomeli Levi, 2003
- species: Mastophora extraordinaria Holmberg, 1876
- species: Mastophora fasciata Reimoser, 1939
- species: Mastophora felda Levi, 2003
- species: Mastophora felis Piza, 1976
- species: Mastophora gasteracanthoides (Nicolet, 1849)
- species: Mastophora haywardi Birabén, 1946
- species: Mastophora holmbergi Canals, 1931
- species: Mastophora hutchinsoni Gertsch, 1955
- species: Mastophora lara Levi, 2003
- species: Mastophora leucabulba (Gertsch, 1955)
- species: Mastophora leucacantha (Simon, 1897)
- species: Mastophora longiceps Mello-Leitao, 1940
- species: Mastophora melloleitaoi Canals, 1931
- species: Mastophora obtusa Mello-Leitao, 1936
- species: Mastophora pesqueiro Levi, 2003
- species: Mastophora phrynosoma Gertsch, 1955
- species: Mastophora pickeli Mello-Leitao, 1931
- species: Mastophora piras Levi, 2003
- species: Mastophora rabida Levi, 2003
- species: Mastophora reimoseri Levi, 2003
- species: Mastophora satan Canals, 1931
- species: Mastophora satsuma Levi, 2003
- species: Mastophora seminole Levi, 2003
- species: Mastophora soberiana Levi, 2003
- species: Mastophora stowei Levi, 2003
- species: Mastophora timuqua Levi, 2003
- species: Mastophora vaquera Gertsch, 1955
- species: Mastophora yacare Levi, 2003
- species: Mastophora yeargani Levi, 2003
- species: Mastophora ypiranga Levi, 2003
- genus: Ordgarius