Renella sculptidentata ( Ren, 1991 )

Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, Zootaxa 3246 (1), pp. 1-69: 54-57

publication ID

http://doi.org/ 10.11646/zootaxa.3246.1.1

persistent identifier

http://treatment.plazi.org/id/456087D3-3610-FFB1-B8DF-08A3FE644DA2

treatment provided by

Felipe

scientific name

Renella sculptidentata ( Ren, 1991 )
status

 

Renella sculptidentata ( Ren, 1991)  

( Figs 37–39 View FIGURE 37 View FIGURE 38 View FIGURE 39 )

Drummondia sculptidentata Ren   in Ren & Huang, 1991: 242, 306, figs 34, 35. ― De Broyer & Jazdzewski, 1993: 67. ― Gutt et al., 2000: 80, 83.

Coriolisa sculptidentata   . ― Lowry & Stoddart, 1994: 149.

Renella sculptidentata   . ― De Broyer et al., 2007: 158.

Material examined. 1 male, 5.8 mm, 1 immature, 3.5 mm, AM P.85255, Bahia Chile [= Discovery Bay], South Shetland Islands, [approx. 62°29'S 59°43'W], Chilean Antarctic Expedition, stn 78-8 GoogleMaps   . – 1 female (with oostegite buds), 7.0 mm, AM P.85256, same locality, Chilean Antarctic Expedition, stn 78-12 GoogleMaps   . – 3 females, MV J38224 View Materials , western part of MacRobertson Shelf , Antarctica, 66°55.51'S 62°32.72'E to 66°55.33'S 62°32.16'E, 113 m, epibenthic sled, 11 February 1993, M. O'Loughlin, RSV Aurora Australis   , stn AA93-124 GoogleMaps   .

Description. Head lateral cephalic lobe large, broadly rounded; ventral margin curved. Antenna 1 peduncular article 1 with posterodistal spine; accessory flagellum 2-articulate, article 1 short; flagellum with strong 1-field callynophore in female and male. Mandible lacinia mobilis a simple robust seta; lamina dentata absent; accessory setal row present, on raised setose ridge; molar a setose flap; palp attached slightly distally; palp article 2 broad, as long as article 3; article 3 with anterior margin convex, not tapered distally. Maxilla 1 outer plate with 11 setal-teeth in 7/ 4 arrangement, setal-teeth with medial cusps; palp vestigial, 2-articulate, apical setae absent. Maxilliped inner plate small; outer plate large; palp 4-articulate, article 4 large. Gnathopod 1 chelate; ischium smaller than propodus, not swollen posteroproximally; carpus extremely compressed; propodus length about 2 × breadth, posterior margin well developed, palm with produced corner, corner of palm with complex robust seta; dactylus reaching to corner of palm. Gnathopod 2 palm large, transverse. Pereonite 4 without dorsal spines. Pereonite 5 with 1 dorsal spine. Pereopod 5 merus with posteroproximal shoulder. Pereopod 6 basis with posteroventral lobe weakly produced; merus as broad as long, with posteroproximal shoulder. Pereopod 7 basis subrectangular with posterior margin weakly dentate. Epimeron 3 posterior margin without projections, posteroventral corner broadly rounded. Uropod 3 biramous, inner ramus extending less than halfway along outer ramus. Telson   as long as broad, weakly emarginate.

Distribution. South Shetland Islands and eastern Weddell Sea, Southern Ocean; MacRobertson Shelf,

Antarctica; 113–400 m depth   .

AM

Australian Museum

MV

University of Montana Museum

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

Family

Pakynidae

Genus

Renella

Loc

Renella sculptidentata ( Ren, 1991 )

Lowry, J. K. & Stoddart, H. E. 2012
2012
Loc

Renella sculptidentata

De Broyer, C. & Lowry, J. K. & Jazdzewski, K. & Robert, H. 2007: 158
2007
Loc

Coriolisa sculptidentata

Lowry, J. K. & Stoddart, H. E. 1994: 149
1994
Loc

Drummondia sculptidentata

Gutt, J. & Sirenko, B. I. & Smirnov, I. S. & De Broyer, C. 2000: 80
De Broyer, C. & Jazdzewski, K. 1993: 67
Ren, X. & Huang, L. 1991: 242
1991