Chondrodesmus Silvestri, 1897 (additional source)
Cleidogona bifurca Loomis, 1974 (original description)
Cleidogonidae Cook, 1896 (additional source)
Cyrtodesmus depressus Loomis, 1974 (original description)
Cyrtodesmus humerosus Loomis, 1974 (original description)
Cyrtodesmus lobatus Loomis, 1974 (original description)
Desmethus chiriquensis Loomis, 1964 (new combination reference)
Dybasia Loomis, 1964 (additional source)
Dybasia interamericana Loomis, 1974 (original description)
Nyssodesmus luteolus Loomis, 1974 (original description)
Nyssodesmus vialis Loomis, 1974 (original description)
Orthoporus conifer (Attems, 1950) (additional source)
Orthoporus nodosus Loomis, 1974 (original description)
Orthoporus vialis Loomis, 1974 (original description)
Sphaeriodesmus filamentosus Loomis, 1974 (original description)
Talamancia Loomis, 1974 (original description)
Talamancia alba Loomis, 1974 (original description)
Trichomorpha Silvestri, 1897 (additional source)
Trichomorpha esulcata Loomis, 1974 (original description)