original description(ofHelicina (Tristramia) echandiensis Richling, 2004)Richling, I. (2004). 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). <em>Malacologia.</em> 45(2): 195-440., available online athttps://biodiversitylibrary.org/page/25129581 page(s): 271-277, figs. 77-86 [details]
Present Inaccurate Introduced: alien Containing type locality