Original paper

Taxonomical revision and biological notes of the genus Tomigerus SPIX 1827 (Gastropoda: Pulmonata: Bulimulidae: Odontostominae)

Salgado, Norma Campos; Luiz, Jose; Leme, Moreira

Abstract

Tomigerus SPIX 1827 and its known subgenera and species are characterized including synonymy and geographical distribution.Shell,above all lamellas and the pleats of the aperture,that seem to present a specific code for extrusion and intrusion of the cephalopediousmass,and soft parts were studied.Important taxonomic characters were evaluated and illustrated.Studies were carried out in order to deter mine the oviparity and viviparity of 77 (Tomigerus)SPIX 1827 and T.(Biotocus)SALGADO &LEME 1990,respectively.

Résumé

Sao apresentadas caracterizacóes do género,subgéneros e das especies de Tomigerus SPIX 1827,incluindo sinonimia e distribuicao geográfica.Concha,sobretudo as lámelas e pregas da abertura,que parecem apresentar um código específico para a extrusáoe intrusáo da massa cefalopediosa,e partes moles forneceram importantes caracteres taxon ómicos que foram discutidos e ilustrados.Foram determinadas a oviparidade ea viviparidade,respectivamente,em T.(Tomigerus)SPIX 1827 e T.(Biotocus)SALGADO &LEME 1990.

Keywords

TaxonomyGastropodaBulimulidaeOdontostominaeTomigerusconchologyanatomyoviparityviviparity