Ilyocryptus silvaeducensis paraensis Kotov & Elmoor-Loureiro, 2008

Sousa, Francisco Diogo Rocha & Elmoor-Loureiro, Lourdes Maria Abdu, 2019, Identification key for the Brazilian species and subspecies of the family Ilyocryptidae (Crustacea, Branchiopoda, Anomopoda), Papéis Avulsos de Zoologia 59, pp. 1-8 : 7

publication ID 10.11606/1807-0205/2019.59.23


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Ilyocryptus silvaeducensis paraensis Kotov & Elmoor-Loureiro, 2008


Ilyocryptus silvaeducensis paraensis Kotov & Elmoor-Loureiro, 2008

Body triangular-ovoid shaped, dorsal keel developed, molting incomplete; setae on the posterior margin of valves with spines unilaterally inserted, which decrease toward distal part, setulae present. Head triangular shaped, apex slightly rounded. Postabdomen relatively short, pre and postanal part of similar length; anal margin short with 7-9 setulae inserted laterally; 3-4 denticles of preanal part duplicated; 12-14 marginal spines; distalmost part of postanal part with eight rudimentary lateral setae, 8-9 long lateral setae longer than marginal spines; basal spines on the postabdominal claw of different length.

Comments: Ilyocryptus silvaeducensis paraensis has an occurrence range restricted to two locations in Northern Brazil ( Fig. 3E View Figure 3 ). This is the only Neotropical taxon that belongs to the silvaeducensis group. For further information regarding the morphology of this taxon and its differentiation from subspecies of other zoogeographical regions, see Kotov & Elmoor-Loureiro (2008).