Adrityla Causey, 1961 (additional source)
Branneria carinata (Bollman, 1888) (additional source)
Branneriidae Cook, 1896 (additional source)
Brannerioidea Cook, 1896 (additional source)
Cleidogona Cook & Collins, 1895 (additional source)
Cleidogona accretis Shear, 1972 (original description)
Cleidogona alata Causey, 1961 (additional source)
Cleidogona arkansana Causey, 1954 (additional source)
Cleidogona aspera Causey, 1951 accepted as Cleidogona laminata Cook & Collins, 1895 (source of synonymy)
Cleidogona atoyaca Chamberlin, 1943 (additional source)
Cleidogona atropos Shear, 1972 (original description)
Cleidogona baroqua Shear, 1972 (original description)
Cleidogona caesioannulata (Wood, 1865) (additional source)
Cleidogona camazotz Shear, 1972 (original description)
Cleidogona caroliniana Causey, 1957 (additional source)
Cleidogona ceibana Chamberlin, 1922 (additional source)
Cleidogona celerita Williams & Hefner, 1928 (additional source)
Cleidogona chacmool Shear, 1972 (original description)
Cleidogona chisosi Loomis, 1963 accepted as Lineagona chisosi (Loomis, 1963) (additional source)
Cleidogona chontala Shear, 1972 (original description)
Cleidogona conotyloides Shear, 1972 (original description)
Cleidogona crystallina Shear, 1972 (original description)
Cleidogona decurva Shear, 1972 (original description)
Cleidogona exaspera Williams & Hefner, 1928 accepted as Cleidogona caesioannulata (Wood, 1865) (source of synonymy)
Cleidogona fidelitor Shear, 1972 (original description)
Cleidogona forficula Shear, 1972 (original description)
Cleidogona fustis Cook & Collins, 1895 (additional source)
Cleidogona georgia Shear, 1972 (original description)
Cleidogona godmani Pocock, 1910 (new combination reference)
Cleidogona grenada Shear, 1972 (original description)
Cleidogona gucumatz Shear, 1972 (original description)
Cleidogona hadena Causey, 1961 (additional source)
Cleidogona hauatla Shear, 1972 (original description)
Cleidogona hoffmani Shear, 1972 (original description)
Cleidogona inexpectata Hoffman, 1950 (additional source)
Cleidogona inflata Causey, 1951 accepted as Cleidogona celerita Williams & Hefner, 1928 (source of synonymy)
Cleidogona jocassee Hoffman, 1950 (additional source)
Cleidogona lachesis Shear, 1972 (original description)
Cleidogona laminata Cook & Collins, 1895 (additional source)
Cleidogona laquinta Shear, 1972 (original description)
Cleidogona leona Chamberlin, 1943 (source of synonymy)
Cleidogona major Cook & Collins, 1895 (additional source)
Cleidogona margarita Hoffman, 1950 (additional source)
Cleidogona mayapec Shear, 1972 (original description)
Cleidogona minutissima Kraus, 1954 (new combination reference)
Cleidogona mississippiana Chamberlin, 1942 (additional source)
Cleidogona mixteca Shear, 1972 (original description)
Cleidogona nantahala Shear, 1972 (original description)
Cleidogona pecki Shear, 1972 (original description)
Cleidogona propia Causey, 1957 accepted as Cleidogona maculata (Verhoeff, 1926) (source of synonymy)
Cleidogona rafaela Chamberlin, 1943 (additional source)
Cleidogona saripa Causey, 1961 (additional source)
Cleidogona steno Shear, 1972 (original description)
Cleidogona stolli Pocock, 1910 (additional source)
Cleidogona sublettei Causey, 1954 (additional source)
Cleidogona tajumulco Chamberlin, 1952 (additional source)
Cleidogona tallapoosa Shear, 1972 (original description)
Cleidogona tequila Shear, 1972 (original description)
Cleidogona tizoc Shear, 1972 (original description)
Cleidogona totonaca Shear, 1972 (original description)
Cleidogona unita Causey, 1951 (additional source)
Cleidogona wrayi Causey, 1957 (additional source)
Cleidogona xolotl Shear, 1972 (original description)
Cleidogona zapoteca Shear, 1972 (original description)
Cleidogona zimapaniensis Causey, 1957 (additional source)
Cleidogonidae Cook, 1896 (additional source)
Cleidogonoidea Cook, 1896 (additional source)
Conotyloidea Cook, 1896 (additional source)
Craspedosomatidea (additional source)
Dybasia Loomis, 1964 (source of synonymy)
Dybasia chiriquia (Loomis, 1964) (new combination reference)
Dybasia humerosa Loomis, 1964 (additional source)
Mexiterpes metallicus Shear, 1972 (original description)
Mexiterpes sabinus Causey, 1963 (additional source)
Pseudotremia Cope, 1869 (additional source)
Pseudotremia acheron Shear, 1972 (original description)
Pseudotremia aeacus Shear, 1972 (original description)
Pseudotremia alecto Shear, 1972 (original description)
Pseudotremia amphiorax Shear, 1972 (original description)
Pseudotremia armesi Shear, 1972 (original description)
Pseudotremia cavernarum Cope, 1869 (additional source)
Pseudotremia cavernarum carterensis Packard, 1883 (source of synonymy)
Pseudotremia cercops Shear, 1972 (original description)
Pseudotremia cocytus Shear, 1972 (original description)
Pseudotremia cottus Shear, 1972 accepted as Pseudotremia fracta fracta Chamberlin, 1951 (original description)
Pseudotremia deprehendor Shear, 1972 (original description)
Pseudotremia eburnea Loomis, 1939 (additional source)
Pseudotremia fulgida Loomis, 1943 (additional source)
Pseudotremia hobbsi Hoffman, 1950 (additional source)
Pseudotremia indianae Chamberlin & Hoffman, 1958 (additional source)
Pseudotremia lethe Shear, 1972 (original description)
Pseudotremia lictor Shear, 1972 (original description)
Pseudotremia lusciosa (Loomis, 1939) (new combination reference)
Pseudotremia merops Shear, 1972 (original description)
Pseudotremia minos Shear, 1972 (original description)
Pseudotremia momus Shear, 1972 (original description)
Pseudotremia nefanda Shear, 1972 (original description)
Pseudotremia nodosa Loomis, 1939 (additional source)
Pseudotremia nyx Shear, 1972 (original description)
Pseudotremia princeps Loomis, 1939 (additional source)