New records of Omalonyx matheroni (Pontiez & Michaud, 1835) (Mollusca, Gastropoda, Succineidae) for the São Paulo and Paraná States.

Abstract

Omalonyx matheroni is a succineid gastropod that lives on aquatic macrophytes and on emergent vegetation in the wetlands of inner deltas, lakes and dikes. Occurrences of this species were recorded in the municipalities of Ibitinga (SP) and Paranaguá (PR), broadening its distribution southwards in South America. Until now this species had been recorded in Demerara (Guiana), Zanderij and Belwaarde (Suriname), Guiana Francesa, Peru, Limoncocha (Equador), Amazonas, Pará, Pernambuco, Rio de Janeiro and Minas Gerais (Brazil), as well as on the islands of Guadalupe and Trinidade.

Keywords

• Omalonyx matheroni
• Ibitinga
• Paranaguá
• aquatic macrophytes