Biomphalaria subprona (Martens, 1899) (Gastropoda: Planorbidae).
A description is given of the shell, head-foot, pulmonary wall, reproductive system and radula of Biomphalaria subprona (Martens, 1899). A diagnosis between it and two other congeneric species under 10 mm in shell diameter occurring in Middle America (Biomphalaria helophila and B. schrammi) is presented.
Lobato Paraense
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Departamento de Malacologia, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.
D000818:Animals; D001700:Biomphalaria / Q000033:anatomy & histology* / Q000145:classification; D006166:Guatemala