Abstract
Kingsleya castrensissp. nov., a pseudothelphusid crab is described and illustrated from the Xingu River, state of Pará, southern Amazon region, Brazil. The new species is characterized by the male first gonopod bearing a large, well-developed apical plate, with a broadly rounded, thick distal lobe. New records of Kingsleya junki Magalhães, 2003 extend the distribution of this species eastward to the Tocantins River basin, in the state of Pará, Brazil.
Highlights
Kingsleya Ortmann, 1897 currently comprises seven species that are all distributed in the highlands of the Guyanan and Central Brazilian Shields
In Brazil, species of this genus occurs in tributaries of the Amazon River draining the Guyana Shield where it is represented by K. latifrons (Randall, 1840), and by K. siolii Bott, 1967; and the Central Brazilian Shield: Kingsleya gustavoi Magalhães, 2005 (Rio Tocantins), and K. junki Magalhães, 2003 (Xingu River)
Kingsleya ytupora Magalhães, 1986 is the only species known to occur on both sides of the Amazon valley (MAGALHÃES 1986, 2003a, b, MAGALHÃES & TÜRKAY 2008)
Summary
Kingsleya Ortmann, 1897 currently comprises seven species that are all distributed in the highlands of the Guyanan and Central Brazilian Shields. Recent collections from southern tributaries of the Amazon river revealed the presence of Kingsleya, including an undescribed species of this genus from the surroundings of the city of Altamira, on the left bank of the middle course of the Xingu River.
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