Drummondia parviramus Lowry, 1984

Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, Zootaxa 3246 (1), pp. 1-69 : 15-16

Drummondia parviramus Lowry, 1984

Drummondia parviramus Lowry, 1984: 65 , figs 10–12. ― Barnard & Karaman, 1991: 483. ― Springthorpe & Lowry, 1994: 28. ― Lowry & Stoddart, 2003: 165.

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 strong 1-field callynophore in female and male. Mandible lacinia mobilis absent; accessory setal row modified into lamina dentata on both sides; molar absent; palp attached midway; palp article 2 slender, longer than article 3; article 3 with subparallel margins. Maxilla 1 outer plate with 11 setal-teeth in 7/4 arrangement, some outer row setalteeth 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 2 × breadth, posterior margin well developed, palm with produced corner, corner of palm with complex robust seta; dactylus over-reaching palm. Gnathopod 2 palm minute, obtuse. Pereonite 4 without dorsal spines. Pereonite 5 with 1 dorsal spine. Pereopod 5 merus without posteroproximal shoulder. Pereopod 6 basis with posteroventral lobe weakly produced; merus longer than broad, with posteroproximal shoulder. Pereopod 7 basis subovate 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, entire.

Distribution. Halifax Bay, north-eastern Australia; 5 m depth.