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Freshwater snails and schistosomiasis mansoni in the State of Rio de Janeiro, Brazil: I-- Metropolitan mesoregion.
The present study extends the distribution of B. straminea in the State of Rio de Janeiro and reports new records for A. nordestensis, B. schrammi, G. ticaga, H. davisi and the genera Burnupia and Ferrissia. Expand
Freshwater mussels from South America: state of the art of Unionida, specially Rhipidodontini
Unionida is the most diverse clade of freshwater bivalves. Among the groups occurring in South America, one with the highest number of species is Rhipidodontini (Hyriidae, Unionida, Paleoheterodonta,Expand
Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: V -- Norte Fluminense Mesoregion.
The results of collections carried out in the Norte Fluminense Mesoregion from 2002 to 2003 are presented and revealed the occurrence of 19 species and no specimens were found harbouring larval forms of S. mansoni although different kinds of cercariae had been observed. Expand
A new record of Mytilopsis leucophaeata (Bivalvia: Dreissenidae) in Rio de Janeiro (Brazil)
Mytilopsis leucophaeata naturally occurs in oligo- to mesohaline estuaries along the Atlantic coast of the USA and Mexico. In Brazil, M. leucophaeata was first recorded in 2004 in estuaries adjacentExpand
Non-native mollusks throughout South America: emergent patterns in an understudied continent
The first list of non-native mollusk species for South America, considering terrestrial, freshwater and marine environments, includes 86 NNMS distributed in 152 ecoregions of the 189 recognized for the South American continent. Expand
First record of Melanoides tuberculatus (Müller, 1774) and Biomphalaria tenagophila (d´Orbigny, 1835) on Ilha Grande, Rio de Janeiro, Brazil
Small populations of Melanoides tuberculatus and Biomphalaria tenagophila were found at Vila do Abraao, being the first record of these species to Ilha Grande, Angra dos Reis, Rio de Janeiro, probably introduced after 2004. Expand
First record and range extension of the freshwater limpet Gundlachia radiata (Guilding, 1828) (Mollusca: Gastropoda: Planorbidae) from southeast Brazil
We report the first records of Gundlachia radiata (Guilding, 1828), a freshwater limpet, from the state of Rio de Janeiro, which extends its distribution to Southeast Brazil.
Gundlachia dutrae: n. sp. from northwest Brazil (Mollusca: Basommatophora: Ancylidae)
A new species of Gundlachia, Gundlachia dutrae is described from northwest Brazil. It is distinguishable from other congenerie species by characteristics of the shell, radula and internal organs.Expand