CLASSE: GASTROPODA: TERRESTRE
FAMÍLIA: SIMPULOPSIDAE
ESPÉCIE: Simpulopsis eudioptus (Ihering, 1897)
Tamanho médio: 13 – 14 mm
Ocorrência: Brasil (São Paulo, Paraná, Santa Catarina), Argentina (Misiones)
Localidade tipo: Brasil, São Paulo
Nome original: Bulimulus eudioptus Ihering, 1897
Sinônimos: Naesiotus eudioptus (Ihering, 1897); Simpulopsis (Eudioptus) eudioptus (Ihering, 1897); Protoglyptus eudioptus (Ihering, 1897); Bostryx eudioptus (Ihering, 1897); Bulimulus (Scansicohlea) jörgenseni Holmberg, 1912; Bulimulus joergenseni Holmberg, 1912
Descrição original:
(Ihering, 1897): “Shell small, ovate, narrowly perforate, very thin and fragile, light chestnut colored; somewhat transparent, showing the columella through the shell, shining. Sculpture of slight, inconspicuous growth-wrinkles and very delicate cuticular spiral striae. Spire short, the apex rather obtuse, nepionic whorls ivith very fine, close longitudinal riblets, the intervals densely and lightly scratched spirally. Whorls 4 3/4, rather convex, the last inflated. Aperture ovate, slightly more than half the length of the shell, colored within like the outside; outer lip thin and fragile, unexpanded; columellar lip narrowly reflexed above, nearly covering the narrow umbilical perforation; columella concave.”
Foto: (1,2) The Academy os Natural Sciences, Philadelphia: LECTOTYPE de Simpulopsis eudioptus, ANSP 71240, doador v. Ihering, H. , São Paulo, 1897, 10.5mm

Figura: Hass, 1959: Bulimulus (Protoglyptus) eudioptus Ihering, Nova Teutônia, Santa Catarina, Brasil
Fontes:
Descrição original: (como Bulimulus eudioptus Ihering, 1897) Pilsbry, H. A. (1897-1898). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 11: American Bulimulidae: Bulimulus, Neopetraeus, Oxychona, and South American Drymaeus. pp 1-339, pls 1-51. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-13, May 11, 1897; pp. 65-144, pls. 14-25, Oct. 15, 1897; pp. 145-208, pls. 27-41, May 3, 1898; pp. 209-339, pls. 26, 42-51, Dec. 7, 1898]. , disponível online em https://biodiversitylibrary.org/page/1101398
página(s): 89, pl. 14, figs 16-17
Descrição original: (como Bulimulus joergenseni Holmberg, 1912) Holmberg, E. L. (1912). Bulumuli et Odontostomi Argentini adhuc indescripti, necnon species ad subgenus nondum relatae. Anales del Museo Nacional de Historia Natural de Buenos Aires. 23: 147-153., disponível online em https://www.biodiversitylibrary.org/page/14613401
página(s): 150, figs 7-8
Cuezzo, M. G., Jose Miranda, M. & Ovando, X. M. C. (2013). Species Catalogue of Orthalicoidea in Argentina (Gastropoda: Stylommatophora). Malacologia. 56(1 & 2): 135-191., disponível online em https://doi.org/10.4002/040.056.0210
página(s): 185
Haas, Fritz. 1959. “Inland Mollusks from Venezuela, Southern Brazil, and Peru.” Fieldiana 39: 363–371, disponível online em https://www.biodiversitylibrary.org/part/31131
Miquel, Sergio. (1995). Las especies del género Bostryx Troschel 1847 en la República Argentina (2da. y última parte) (Gastropoda: Pulmonata: Bulimulidae). Archiv für Molluskenkunde. 124. página(s) 119-127
Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil. Editora Gráfica Bernardi, FAPESP. São Paulo, 390 pp. pag. 126, fig. 398 (como Naesiotus eudioptus)
Molluscabase: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1290971