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Description and chromosome number of a species of Pseudonannolene Silvestri (Arthropoda, Diplopoda, Pseudonannolenidae)

Pseudonannolene mesai sp.n. from Biritiba Mirim, State of São Paulo, Brazil, is described and the chromosome number (2n=16) is reported. It was impossible to observe the chromosomal sex determination mechanism.

Diplopoda; Pseudonannolene; mtllipeds; cytogenetics


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