BioStor
 | Zoological Society (1849) Annals And Magazine of Natural History 4: 215-225 |
 | Notes on the radula of the Helicinidae H B Baker (1922) Proceedings of the Academy of Natural Sciences of Philadelphia 74: 29-67 |
 | Some new land shells from Costa Rica and Panama (1942) Journal of The Washington Academy of Sciences 32: 350-352 |
 | Biological investigations in the Selva Lacandone, Chiapas, Mexico R A Paynter (1957) Bulletin of The Museum of Comparative Zoology 116: 191-298 |
 | Classification of the Helicinidae: Review of morphological characteristics based on a revision of the Costa Rican species and application to the arrangement of the Central American mainland taxa (Mollusca: Gastropoda: Neritopsina) (2004) Malacologia 45: 195-440 |