Three New Species of Dendrocephalus (Anostraca: Thamnocephalidae) from Central and South America

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Abstract
We describe the seventh, eighth, and ninth members of the anostracan genus Dendrocephalus (Thamnocephalidae). Two of these occur beyond the continental limits of South America. All of the other described species are confined to South America. Dendrocephalus sarmentosus, new species, occurs on Santa Cruz Island, Galapagos Islands, Ecuador. Dendrocephalus cornutus, new species, is from near Liberia, Costa Rica, in Central America. Our third new species, from continental South America, is Dendrocephalus argentinus, new species, inhabiting Catamarca and La Rioja Provinces in Argentina and the Department of Asuncion in Paraguay. The Galapagos Islands species presents two features found in no other dendrocephalid. The first three endopods lack divergent outgrowths and small spines occur on antennal appendage branch 2V.

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