P334, cinerascens ehrenbergii, Vizarron
P284, knippelianus, Las Carboneras
P367, parkeri, Mexico, Nuevo Leon, Aramberri
P278, pectinatus, Mexico, Coahuila, Cuatrocienegas
P286, pectinatus, Mexico, Coahuila, Monclova
P306, pectinatus, Mexico, Durango, Rio Nazas
P337, pectinatus, Mexico, Coahuila, Torreon
P314, pentalophus leonensis, Mexico, Coahuila, Saltillo
P312, polyacanthus densus, Mexico, Zacatecas, Fresnillo
P310, pulchellus weinbergii
P264, reichenbachii, Mexico, Coahuila, Saltillo
P281, reichenbachii, Mexico, Coahuila, Saltillo
P282, reichenbachii pailanus
P300, schereri, Mexico, Durango, Rio Nazas