Ephemeroporus tridentatus ( Bergamin, 1939 )

Elmoor-Loureiro, Francisco Diogo R. Sousa Elisângela Reis Rangel Mariana Lessa Carneiro da Silva Ciro Y. Joko Lourdes M. A., 2017, An update for cladoceran fauna (Crustacea, Branchiopoda) from Lake Paranoá, Central Brazil, with the fi rst description of a male of Leydigiopsis ornata Daday, 1905, Nauplius (e 2017029) 25, pp. 1-13 : 11-12

publication ID	https://doi.org/10.1590/2358-2936e2017029
persistent identifier	https://treatment.plazi.org/id/663D781D-8D4B-FFE5-C366-FA75FEE95A6E
treatment provided by	Felipe
scientific name	Ephemeroporus tridentatus ( Bergamin, 1939 )
status

Treatment

Ephemeroporus tridentatus ( Bergamin, 1939) View in CoL

( Figs. 5F–H View Figure 5 )

Material examined: One adult parthenogenetic female ( FDRS495 ) .

Remarks: Initially identified by Sars (1901) from São Paulo as Chydorus poppei Richard, 1897 . Later, Bergamin (1939) noted differences in the valves and labral keel from C. poppei , which led to a description of a new species, Chydorus tridentatus Bergamin, 1939 . Finally, Frey (1982) assigned the Ephemeroporus Frey, 1982 genus to a species with similar morphology of the Chydorus barroisi -group. Ephemeroporus tridentatus is recognized by the following combination of morphological traits: labral keel armed with three teeth and posteroventral corner of valves without denticles.

Distribution: According to Kotov et al. (2013) the species occurs in Neotropics and Oriental zone. In Brazil, the distribution of E. tridentatus extends through the Amazônica, Tocantins /Araguaia, Paraná, Paraguai, Parnaíba, Atlântico Nordeste Oriental, Leste and Sudeste hydrographic regions ( Elmoor-Loureiro, 2017).