Kyska Shoemaker, 1964

Lowry, J. K. & Kilgallen, N. M., 2014, A generic review of the lysianassoid family Uristidae and descriptions of new taxa from Australian waters (Crustacea, Amphipoda, Uristidae), Zootaxa 3867 (1), pp. 1-92 : 38

publication ID

https://doi.org/ 10.11646/zootaxa.3867.1.1

publication LSID

lsid:zoobank.org:pub:B7C6EC5F-5AA3-43B1-BD3D-D8111E0EC3A7

DOI

https://doi.org/10.5281/zenodo.6319030

persistent identifier

https://treatment.plazi.org/id/03AE8B60-AC23-FFFD-6CC1-FC3EFD36C502

treatment provided by

Felipe

scientific name

Kyska Shoemaker, 1964
status

 

Kyska Shoemaker, 1964 View in CoL

( Fig. 23 View FIGURE 23 )

Kyska Shoemaker, 1964: 391 View in CoL .—J.L. Barnard, 1969: 346.— Barnard & Karaman, 1991: 424 (key), 494.

Type species. Kyska dalli Shoemaker, 1964 View in CoL , original designation

Included species. Kyska View in CoL includes one species: K. dalli Shoemaker, 1964 View in CoL .

Diagnostic description. Antenna 1 peduncle article 1 without anterodistal lobe; accessory flagellum forming cap covering callynophore. Antenna 2 with brush setae. Mandible molar a setose tongue. Maxilla 1 outer plate a well developed 7/4 crown. Maxilla 2 inner plate significantly shorter than outer plate. Gnathopod 1 chelate; coxa 1 large, about as long as coxa 2, subrectangular with concave anterior margin; ischium short (length less than 2 × breadth); carpus compressed; propodus margins tapering distally. Uropod 2 inner ramus not constricted. Telson notched .

Remarks. Only three uristid genera ( Euonyx , Kyska and Stephonyx ) have chelate first gnathopods. Unlike Kyska , Euonyx and Stephonyx both have reduced vestigial coxae on gnathopod 1.

Based on the well developed coxa of gnathopod 1 with a concave anterior margin and a compressed carpus Kyska is similar to Abyssorchomene and Koroga . Kyska differs from both genera in the chelate first gnathopod, from Koroga in less well developed eyes and a deeply cleft telson (notched in Koroga ) and from Abyssorchomene in the straight mandibular incisors (curved in Abyssorchomene ) in the small setose molar and in the tapering margins of the gnathopod 1 propodus.

Distribution. Arctic. Alaskan endemic.

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

Family

Uristidae

Loc

Kyska Shoemaker, 1964

Lowry, J. K. & Kilgallen, N. M. 2014
2014
Loc

Kyska

Barnard, J. L. & Karaman, G. S. 1991: 424
Barnard, J. L. 1969: 346
Shoemaker, C. R. 1964: 391
1964
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