A new and endangered species of Kingsleya Ortmann, 1897 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) from Ceará, northeastern Brazil Author Pinheiro, Allysson P. Author Santana, William text Zootaxa 2016 4171 2 365 372 journal article 10.11646/zootaxa.4171.2.9 625d9573-fb80-468c-9c41-6f435f7e6338 1175-5326 262551 0FDD38FF-ED01-4AC1-8581-62D7FAF017FB Key to the species of Kingsleya Ortmann, 1897 (modified from Magalhães, 2005 ) 1. Anterolateral border of the carapace with about 5 to 8 large, acute teeth.......................................... 2 - Anterolateral border of the carapace fringed by set of very faint tubercles or very low, small, rounded teeth.............. 3 2. Gonopod I with apical plate with narrow apex....................................................... K. latifrons - Gonopod I with apical plate with enlarged apex...................................................... K. ytupora 3. Gonopod I with a large apical plate, distal lobe of the apical plate widened above the field of apical spines in lateral view. 4 - Gonopod I with a narrow, subtriangular apical plate, distal lobe of the apical plate uniform along its entire length........ 6 4. Apical plate of the gonopod I with a dentate or a proximal minute spine-like outgrowth in the midlength of the mesial margin................................................................................................... 5 - Apical plate of the gonopod I with a single large spine-like outgrowth in the midlength of the mesial margin....... K. celioi 5. Apical plate of the gonopod I distinctly enlarged, mesial margin of the distal lobe smooth with a proximal minute spine-like outgrowth..................................................................................... K. junki - Apical plate of the gonopod I distinctly enlarged, mesial margin of the distal lobe clearly indented............ K. castrensis 6. Apical plate of the gonopod I with proximal lobe usually oblique and distinctly shorter in relation to the distal lobe....... 7 - Apical plate of the gonopod I with both, proximal and distal lobes, juxtaposed in a nearly vertical position along almost all its length..................................................................................... K. hewashimi 7. Gonopod I with field of apical spines well developed, proximal lobe of the apical plate oblique to the distal lobe......... 8 - Gonopod I with field of apical spines reduced, proximal lobe of the apical plate partially involving the lower part of the distal lobe.......................................................................................... K. besti 8. Proximal lobe of the apical plate partially folded over the mesial crest of the field of apical spines.................... 9 - Proximal lobe of the apical plate with conspicuous semicircular protuberance in mesial and sternal views.................................................................................................. K. attenboroughi n. sp. 9. Gonopod I with apical plate not enlarged, angulated on the proximal end of the sternal border.................. K. siolii - Gonopod I with apical plate enlarged on the proximal end of the sternal border, forming a distinct rounded prominence................................................................................................ K. gustavoi