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 (A­ 1) (SNB 0209), 5 RV, 7 LV, 1 RLV, ANDEEP III # 133 – 2 –E...

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Bibliographic Details
Main Author: Brandão, Simone N.
Format: Other/Unknown Material
Language:unknown
Published: 2008
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Ostracoda
Podocopida
Bairdiidae
Bythocypris
Bythocypris praerenis
Southern Ocean
Weddell Sea
Weddell
Seta
Briggs
Dingle
Online Access:https://zenodo.org/record/6233660
https://doi.org/10.5281/zenodo.6233660
Description
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 (A­ 1) (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 (A­ 1) (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; (A­ 1) L 1.32–1.44mm, H 0.64–0.71mm; (A­ 2) L 1.00– 1.14mm, H 0.53– 0.58mm; (A­ 3) 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 ...

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