Neotropical Monogenoidea. 3. Five new species from South America with the proposal of Tereancistrum gen. n. and Trinibaculum gen. n. (Dactylogyridae: Ancyrocephalinae)
Abstract Five new species of Monogenoidea (Dactylogyridae: Ancyrocephalinae) are described from the gills of freshwater fishes of South America: Jainus amazonensis sp. n., Tereancistrum kerri gen. et sp. n., and Trlnibaculum braziliensis gen. et sp. n. (all) from Brycon melanopterus (Cope), Januacá Lake near Manaus, Amazonas, Brasil; Tereancistrum ornatus sp. n. from Prochilodus reticulatus Steindachner, Rio Cauca, Juanchito, Cali, Valle, Colombia; and T. parvus sp. n. from Leporinus fasciatus (Bloch), Amazon River Basin. Two new genera are proposed. Tereancistrum gen. n. is characterized by having spathulate acessory anchor sclerites associated with the ventral anchors. Trinibaculum gen. n. is proposed for species with a single ventral bar, two widely separated dorsal bars, a dextroventral vagina, confluent intestinal crura, and intercecal gonads.
Main Authors: | Kritsky,Delane C., Thatcher,Vernon E., Kayton,Robert J. |
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Format: | Digital revista |
Language: | English |
Published: |
Instituto Nacional de Pesquisas da Amazônia
1980
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59671980000200411 |
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