Snails of Mexico & Central America: Part 3 – Invertebrate Zoology https://www.floridamuseum.ufl.edu/iz/resources/mexico-central-america-snails/part-3/
PART 3 Class GASTROPODA Superfamily ORTHALICOIDEA Families Subfamilies Family ORTHALICIDAE Albers, 1860 Subfamily ORTHALICINAE Albers, 1960 DISTRIBUTION — Tropical South America, the West Indies, south Florida, Central America and Mexico. TAXONOMY — The nomenclature employed
Reefs of Guam Freshwater Snails of Florida ID Guide Land Snails of Papua New Guinea