Rediscovery of Obeliscus agassizi Pilsbry, 1906 (Gastropoda, Subulinidae, Obeliscinae), annotated checklist of species of Obeliscus Beck, 1837 and first description of the anatomy for the genus Author D'Ávila, Sthefane Museu de Malacologia Prof. Maury Pinto de Oliveira, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, s / n - Martelos, Juiz de Fora, 36036 - 330 Minas Gerais (Brazil) * corresponding author: sthefane. davila @ ufjf. edu. br, sthefanedavila @ hotmail. com sthefanedavila@hotmail.com Author Simone, Luiz Ricardo L. Museu de Zoologia da Universidade de São Paulo, Avenida Nazaré 481, 04218 - 970 São Paulo (Brazil) lrsimone @ usp. br; lrlsimone @ gmail. com Núcleo de Espectroscopia e Estrutura Molecular, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, S / n - Martelos, Juiz de Fora, 36036 - 330 Minas Gerais (Brazil) luiz. oliveira @ ufjf. edu. br lrsimone@usp.br Author Cappa de Oliveira, Luiz Fernando Author Charles, Laurent Muséum d’Histoire naturelle, 5 place Bardineaux, F- 33000 Bordeaux (France) l. charles @ mairie-bordeaux. fr Author Maestrati, Philippe Muséum national d'Histoire naturelle de Paris Direction générale déléguée aux Collections, pôle Expédition case postale 51, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) philippe. maestrati @ mnhn. fr maestrati@mnhn.fr text Zoosystema 2020 2020-04-21 42 12 159 172 https://doi.org/10.5252/zoosystema20v42a12 journal article 10.5252/zoosystema20v42a12 5920d575-69e3-45ef-bf81-10859e823214 1638-9387 3762441 urn:lsid:zoobank.org:pub:BDBBCF4F-D739-422C-AF7F-17166F5966C8 Obeliscus bacterionides (d’Orbigny, 1835) Helix bacterionides Orbigny, 1835: 9 . Bulimus bacterionides – Pfeiffer 1852: 117 , pl. 35, figs 15, 16. Obeliscus bacterionides – Pilsbry 1906: 250 , pl. 36, figs 71, 72. MUSEUM DEPOSITS. — Syntypes . Bolivia • 6 shells; Rio Grande ; collection d’Orbigny 1818-1838 ; MNHN-IM-2000-28012 • 2 shells; USNM 117487 • Beni Dept. , Cercado Province , 6 km South Trinidad; 28.XII.1982 ; Thompson F. leg.; FLMNH 040622 • same data as for preceding; FLMNH 040623 • Santa Cruz Dept. , Chiquitos Province , 20 km ENE of Santiago de los Chiquitos ; 30.XI.1982 ; Thompson F. leg.; FLMNH 210580 . TYPE LOCALITY. — Bolivia : Rio Grande. OTHER LOCALITIES. — Bolivia : no specific locality ( Pfeiffer, 1852 ); Beni Department , Cercado Province, 6 km South Trinidad ( FLMNH 040622; 040623); Santa Cruz , Chiquitos Province, 20 km North East of Santiago de los Chiquitos ( FLMNH 210580 ). ILLUSTRATION. — Pfeiffer (1852 : pl. 35, figs 15, 16); Pilsbry (1906 : pl. 36; fig. 71, 72). IMAGING. — MNHN-IM-2000-28012, syntypes . REFERENCES. — Pfeiffer (1852) ; Pilsbry (1906) ; Haas (1949) .