Bythocypris praerenis Brandão, 2008, sp. nov.
Bythocypris praerenis sp. nov. (Figs. 22–26) Etymology . For its resemblance to B. reniformis Brady, 1880. Material : 6 live specimens, 318 V. Holotype: 1 A F (SNB 0388), ANDEEP III # 133–2–E, ZMH K 41356. Paratypes: 1 A F (SNB 0387), 1 (A1) (SNB 0209), 5 RV, 7 LV, 1 RLV, ANDEEP III # 133–2–E, ZMH...
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Format: | Other/Unknown Material |
Language: | unknown |
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Zenodo
2008
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Online Access: | https://doi.org/10.5281/zenodo.6233660 http://treatment.plazi.org/id/03B587E96C6BFFA1EB9AF8D890B4FB9D |
Summary: | Bythocypris praerenis sp. nov. (Figs. 22–26) Etymology . For its resemblance to B. reniformis Brady, 1880. Material : 6 live specimens, 318 V. Holotype: 1 A F (SNB 0388), ANDEEP III # 133–2–E, ZMH K 41356. Paratypes: 1 A F (SNB 0387), 1 (A1) (SNB 0209), 5 RV, 7 LV, 1 RLV, ANDEEP III # 133–2–E, ZMH K 41328; 23 RV, 26 LV, 20 RLV, 157 V, ANDEEP II, # 132–2–S, ZMH K 41329; 3 (A1) (SNB 0275 7), 51 V, 2 RLV, ANDEEP II, # 133–3–E, ZMH K 41330; 2 RLV, 1 LV, ANDEEP II, # 133–3–S, ZMH K 41357. Distribution. NW Weddell Sea, Southern Ocean (Atlantic Sector), 1123 to 2084 m. FIGURE 22. Occurrence of Bythocypris reniformis informal group (published information) and Bythocypris praerenis sp. nov. Legend: — type locality of B. reniformis , from Brady (1880) and Puri and Hulings (1976); —other localities from Brady (1880); ♢— Briggs (1978); — Chapman (1941); — Dingle (2003); — Maddocks (1969); — Bythocypris praerenis sp. nov., ANDEEP II # 133; — Bythocypris praerenis sp. nov., ANDEEP II # 132. Measurements (Fig. 23) . Holotype, LV, L 1.60mm, H 0.77mm; RV, L 1.60mm, H 0.72mm. Paratypes, LV, A L 1.60–1.81mm, H 0.77–0.90mm; (A1) L 1.32–1.44mm, H 0.64–0.71mm; (A2) L 1.00– 1.14mm, H 0.53– 0.58mm; (A3) L 0.84mm, H 0.44mm. Diagnosis . Carapace very large, subreniform; maximum height anterior to midlength; with numerous, straight, short marginal pore canals. Podomere VI of AII with 1 anterodorsal, tiny seta, 1 long claw, 1 mediumsized, posterodorsal, fused claw, and 2 mediumsized, posterodistal setae. Podomere IV of Md palp with 4 mediumsized setae and 3 mediumsized claws. Vibratory plate of Mx I with 7 strahlen and 25 feathered setae. Fu with 3 to 6 tiny, proximal setae and 3 mediumsized, finely feathered, distal setae. Genital lobe ovatesubtriangular, with a scoopshaped internal process attached to short tube. Description. Carapace very large, subreniform, maximum height anterior to midlength, posterior angle obtuse. Lateral surface smooth. RV with anterodorsal margin straight, ventral margin concave. LV outline ... |
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