Porto, J.I.R. Feldberg, E. Comparative cytogenetic study of the armored catfishes of the genus Hoplosternum (Siluriformes, Callichthydae) Comparative cytogenetic study of the armored catfishes of the genus Hoplosternum (Siluriformes, Callichthydae) Subjects--Topical Terms: TAMUATACITOGENETICA ANIMAL