Tornatellina bilamellata (Anton, 1838)

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: ACHATINELLIDAE

ESPÉCIE: Tornatellina bilamellata (Anton, 1838)

Tamanho médio: 4.0 mm

Habitat: vive no solo, em serapilheira

Ocorrência: Chile (Arquipélago de Juan Fernandes, Ilha Robinson Crusoe (Masatierra))

Localidade tipo: Chile, Arquipélado de Juan  Fernandez, Robinson Crusoe Island (Masatierra)

Nome original: Clausilia (Strobilus) bilamellata Anton, 1838

Sinônimos: Tornatellina clausa L. Pfeiffer, 1842

Descrição:

(Miquel & Araya, 2015): “Shell small, conic-ovate, very thin and glossy; corneous, with six to seven slightly flat whorls; the last whorl of about half the total length; protoconch with more than 2 whorls, ornamented with a very delicate irregular granulation; teleoconch sculptured only by prosocline growth wrinkles; suture slightly impressed, aperture elliptical, narrow, obstructed by a sharp sub-oblique lamella on the parietal wall, a strong transverse columellar fold and an incipient second columellar plica in the lower area of columellar wall; two delicate parallel palatal laminae; peristome acute; parietal wall glossy; outer lip simple, thin.”

Fotos: (1) Miquel & Araya, 2015: Tornatellina bilamellata (Anton 1839), MNHNCL 201790, “Juan Fernández Archipelago, Robinson Crusoe Island, El Yunque square”, 4.0 mm

Figura: Miquel & Araya, 2015: Tornatellina bilamellata (Anton 1839). MNHNCL 201790: Juan Fernández Archipelago, Robinson Crusoe Island, El Yunque square: (a) vista da abertura ventral; (b) detalhe do dente, MNHNCL 201790, Juan Fernández Archipelago, Robinson Crusoe Island, “trail near Mirador Selkirk, west side”; (c) detalhe da protoconcha

Fontes:

Descrição original: (como Clausilia (Strobilus) bilamellata Anton, 1838) Anton, H. E. (1838). Verzeichniss der Conchylien welche sich in der Sammlung von Herrmann Eduard Anton befinden. Herausgegeben von dem Besitzer. Halle: Anton. xvi + 110 pp. [Title page dated 1839, but volume actually published in 1838; see Cernohorsky, 1978, The Veliger 20(3): 299]., disponível online em https://biodiversitylibrary.org/page/11967421
página(s): 46; note: as “Clausilia (Strobilus) bilamellatus“; wrong gender of species name

Letelier, Sergio & Báez, Pedro & Rebolledo, Andrea & Fabres, Alejandra. (2014). Moluscos terrestres nativos y exóticos del Archipiélago Juan Fernández (AJF) (Mollusca: Gastropoda). Boletín del Museo Nacional de Historia Natural de Chile. 63. 187-199

Miquel S.E. & Araya J.F. (2015). New records of terrestrial molluscs of the Juan Fernândez Archipelago (Chile), with the description of a new genus and species of Charopidae (Gastropoda: Stylommatophora). Archiv für Molluskenkunde. 144(2): 155-167., disponível online em https://doi.org/10.1127/arch.moll/1869-0963/144/155-167 

Cooke, C. M. & Kondo, Y. (1961). Revision of Tornatellinidae and Achatinellidae (Gastropoda, Pulmonata). Bernice P. Bishop Museum Bulletin. 221: 1–303 [“1960”]., disponível online em http://hbs.bishopmuseum.org/pubs-online/pdf/bull221.pdf

Stuardo, José & Vega, René. (1985). Synopsis of the land mollusca of Chile. Studies on Neotropical Fauna and Environment. 20. 125-146

MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=866742