This work describes morphologic variations in the organs and structures of the male reproductive system in �haunus ornatus, analyzed independently from the alterations that promote structural variations. Seven adult samples were used, they were collected in Botucatu (São Paulo State, Brazil) during reproductive activity period. The specimens were dissected and rostrum-cloacal length measures were taken. Descriptive and biometrics anatomical analyses were also obtained. Three of these animals were sent to hist… Show more
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