Figorella macrophoculata Ren 1991
Figorella macrophoculata Ren, 1991 Figorella macrophoculata Ren in Ren & Huang, 1991: 245, 307, fig. 36. ― De Broyer & Jazdzewski, 1993: 68. ― De Broyer et al., 2007: 157. Diagnostic description. Head lateral cephalic lobe large, narrowly rounded. Antenna 1 peduncular article 1 without poste...
Main Authors: | , |
---|---|
Format: | Other/Unknown Material |
Language: | unknown |
Published: |
2012
|
Subjects: | |
Online Access: | https://zenodo.org/record/5251220 https://doi.org/10.5281/zenodo.5251220 |
Summary: | Figorella macrophoculata Ren, 1991 Figorella macrophoculata Ren in Ren & Huang, 1991: 245, 307, fig. 36. ― De Broyer & Jazdzewski, 1993: 68. ― De Broyer et al., 2007: 157. Diagnostic description. Head lateral cephalic lobe large, narrowly rounded. Antenna 1 peduncular article 1 without posterodistal spine; accessory flagellum present; accessory flagellum 2-articulate, article 1 short; flagellum without callynophore in female, [not known for male]. Mandible [lamina dentata and accessory setal row not known]; molar absent; palp attached slightly distally; article 2 [breadth not known], as long as article 3; article 3 with subparallel margins. Maxilla 1 outer plate with [at least] 7 setal-teeth, [setal-teeth cusps not known]; palp well developed, 2-articulate, with apical slender setae. 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 1.5 × breadth, posterior margin well developed, with posterodistal corner of palm attenuated, corner of palm without robust seta; dactylus over-reaching palm. Gnathopod 2 palm large, transverse. Pereonite 4 without dorsal spines. Pereonite 5 without dorsal spines. Pereopod 5 merus without posteroproximal shoulder. Pereopod 6 basis with posteroventral lobe produced beyond ischium; merus longer than broad, with weak posteroproximal shoulder. Pereopod 7 basis subovate with posterior margin smooth or weakly dentate. Epimeron 3 posterior margin with weak, blunt projection, posteroventral corner broadly rounded . Uropod 3 biramous, [inner ramus length relative to outer ramus not known]. Telson shorter than broad , entire. Distribution. South Shetland Islands, Southern Ocean; 405–578 m depth. Published as part of Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, pp. 1-69 in Zootaxa 3246 (1) on page 30, DOI:10.11646/zootaxa.3246.1.1, ... |
---|