Drummondia luce, Lowry & Stoddart, 2012

Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, Zootaxa 3246 (1), pp. 1-69 : 11

publication ID

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

DOI

https://doi.org/10.5281/zenodo.5251178

persistent identifier

https://treatment.plazi.org/id/456087D3-362F-FF83-B8DF-09BAFC604A13

treatment provided by

Felipe

scientific name

Drummondia luce
status

sp. nov.

Drummondia luce View in CoL sp. nov.

( Figs 4–6 View FIGURE 4 View FIGURE 5 View FIGURE 6 )

Drummondia luce De Broyer et al., 2007: 158 View in CoL (nomen nudum).

Type material. HOLOTYPE, female, ovigerous, 11.0 mm, SMNH type no. 8131, Bajo Vettor Pisani , Golfo Corcovado , Chile, 42°46.5'S 73°28.1'W, 8 m, coarse clean sand, circular dredge, 17 February 1949, Lund University Chile Expedition stn M65A GoogleMaps . PARATYPE, immature, 3.8 mm, SMNH type no. 8132, same data as holotype GoogleMaps .

Etymology. The species name is an acronym of the Lund University Chile Expedition, which collected the type material; used as a noun in apposition.

Diagnostic 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 weak 1-field callynophore in female, [male not known]. Mandible lacinia mobilis a simple robust seta; accessory setal row partially modified into weak lamina dentata; molar a nonsetose flap; palp article 2 broad, as long as article 3; article 3 with subparallel margins. Maxilla 1 outer plate with 11 setal-teeth in 7/4 arrangement, some outer row setal-teeth with lateral and medial cusps; palp 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 1.9 × breadth, posterior margin well developed, with produced corner, corner of palm with complex robust seta; dactylus reaching to corner of palm. Gnathopod 2 palm minute, obtuse. Pereonite 4 without dorsal spines. Pereonite 5 with 1 dorsal spine. Pereopod 5 basis subovate; merus with posteroproximal shoulder. Pereopod 6 basis with posteroventral lobe produced beyond ischium; merus longer than broad, with posteroproximal shoulder. Pereopod 7 basis subrectangular with posterior margin smooth. Oostegites from gnathopod 2 to pereopod 5. 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, entire.

Remarks. Drummondia luce is the only species of Drummondia with a molar. It is also the only species of Drummondia known to occur outside eastern Australia.

Distribution. Southern Chile, eastern South Pacific Ocean; 8 m depth.

SMNH

Department of Paleozoology, Swedish Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

Family

Pakynidae

Genus

Drummondia

Loc

Drummondia luce

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

Drummondia luce

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