CLASSE: GASTROPODA: TERRESTRE
FAMÍLIA: ACHATINIDAE
ESPÉCIE: Stenogyra octogyra (L. Pfeiffer, 1856)
Tamanho médio: 12 mm
Habitat: vive no solo, sob folhas ou enterrada parte do tempo
Ocorrência: Venezuela, Brasil (Pará, Mato Grosso, Alagoas, Ceará, Rio Grande do Norte)
Localidade tipo: Venezuela, Caracas
Sinônimos: Bulimus octogyrus L. Pfeiffer, 1856; Obeliscus octogyrus (L. Pfeiffer, 1856); Opeas octogyrum (L. Pfeiffer, 1856)
Fotos: (1) cortesia Femorale, 2012, Brasil, ~8 mm

Figura: Salvador et al. 2018: (A) Leptinaria cf. mamoreensis (MNHN; H = 7.1 mm); (B–D) Leptinaria ritchiei; (B) MZSP 133929 (H = 11.9 mm); (C) MZSP 133905 (H = 9.5 mm); (D) animal vivo; (E, F) Leptinaria lamellata; (E) animal vivo; (F) MNHN (H = 9.8 mm); (G, H) Obeliscus agassizi; (G) animal vivo; (H) MZSP 133507 (H = 34.0 mm); (I, J) Stenogyra octogyra; (I) MZSP 133966 (H = 9.1mm); (J) animal vivo
Fontes:
Descrição original: (como Bulimus octogyrus L. Pfeiffer, 1856) Pfeiffer, L. (1856). Diagnosen neuer Landschnecken. Malakozoologische Blätter. Cassel (Theodor Fischer). 3 (12): 43-48 [April 1856]; 3 (13): 49-52 [Juli 1856]; 3 (16): 206-209 [Dezember 1856]., disponível online em https://www.biodiversitylibrary.org/page/15865010
página(s): 45
Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil. Editora Gráfica Bernardi, FAPESP. São Paulo, 390 pp, página 188
Salvador RB, Cavallari DC, Simone LRL (2017) Taxonomical study on a sample of land and freshwater snails from caves in central Brazil, with description of a new species. Zoosystematics and Evolution 93(1): 135-141. https://doi.org/10.3897/zse.93.10995
Salvador, Rodrigo & Charles, Laurent & Simone, Luiz & Maestrati, Philippe. (2018). Terrestrial gastropods from Pedra Talhada Biological Reserve, Alagoas state, Brazil, with the description of a new species of Radiodiscus (Gastropoda: Charopidae). Archiv für Molluskenkunde International Journal of Malacology. 147. página(s) 101-128
MolluscaBase: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1448234