Temnocephalas argentinas - III

T. pignalberiae y T. santafesina novae species de Trichodactylus del Paraná medio

Abstract

The author has identified three species of Temnocephala (Temnocephalidae): T. microdactyla Monticelli, 1903; T. pignalberiae nov. sp. and. T. santafesina nov. sp. The specific characters are detailed and illustrated. The author also tests the applicability of some biometrie ratios for studying standard treated material.