2019
DOI: 10.1590/1676-0611-bn-2018-0633
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Abstract: Testudinella is a taxon of Rotifera broadly distributed in Brazil. In a recent collection in marginal lakes connected to the Paranapanema River (São Paulo, Brazil), we found specimens of Testudinella mucronata and T. patina with concavities on their lorica. The objective of this study was to describe the concavities observed in individuals of both species and discuss their possible causes. Plankton samples were collected at two sampling stations, in the pelagic (PZ) and littoral (LZ) zones of the Panema and Co… Show more

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Cited by 2 publications
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“…Other studies have demonstrated that morphological alterations in aquatic organisms may not only be related to water pollutants, as is the case of two deformed species of Testudinella described from an unpolluted lake (Coelho et al, 2019). Opposite, there are studies where the cause of some morphological alterations found in various organisms is still unknown.…”
Section: Variablesmentioning
confidence: 99%
“…Other studies have demonstrated that morphological alterations in aquatic organisms may not only be related to water pollutants, as is the case of two deformed species of Testudinella described from an unpolluted lake (Coelho et al, 2019). Opposite, there are studies where the cause of some morphological alterations found in various organisms is still unknown.…”
Section: Variablesmentioning
confidence: 99%