Macropyxis hornei, Brandão, 2010

Brandão, Simone N., 2010, Macrocyprididae (Ostracoda) from the Southern Ocean: taxonomic revision, macroecological patterns, and biogeographical implications, Zoological Journal of the Linnean Society 159 (3), pp. 567-672 : 604-607

MACROPYXIS HORNEI SP. NOV. ( FIGS 14 , 21–23 )

Etymology: In honour of Dr David J. Horne (Queen Mary University of London, UK) for his exciting publications on Ostracoda.

Material: 13 live specimens.

Holotype: 1 A F ( SNB 0572 -DNA 279) (soft parts in glass slide, valves in micropalaeontological slide), ANDEEP I, # 46-7-S, ZMH K-41281 .

Paratypes: 2 A F ( SNB 0142 , SNB 0147 ), 2 (A-1)?M ( SNB 0143 , SNB 0240 -DNA 48), 1?F (A-1) ( SNB 0217 ), 2 (A-1) ( SNB 0239 -DNA 47, 0571-DNA 278), 3 (A-2) ( SNB 0241 -DNA 49, SNB 0242-DNA 50, SNB 0306-DNA 55), 1 (A-3), 1 (A-?) ( SNB 0573 -DNA 280), ANDEEP I, # 46-7-S, ZMH K-41376 .

Distribution ( Fig. 14 ): Recent. South-western Scotia Basin, 2889 –2892 m.

Figures

Figure 14. Geographical distribution of Macropyxis and Macrosarisa species studied herein.

Figure 21. Valves and appendage V of Macropyxis hornei sp. nov. A–C, holotype adult female (SNB 0572-DNA 279, ZMH K-41281); D, paratype adult female (SNB 0142); E, paratype (A-1) (SNB 0571-DNA 278); F, G, paratype 1 (A-1) female? (SNB 0217); H, I, paratype (A-2) (SNB 0241-DNA 49); J, K, paratype (A-2) (SNB 0242-DNA 50); L, M, paratype (A-1)?male (SNB 0240-DNA 48); N, O, paratype (A-1) (SNB 0239-DNA 47), (ZMH K-41376). A, F, H, J, L, N, right valve external view; B, D, E, G, I, K, M, O, left valve external view; C, female appendage V. Scale bars: A, B, D–O = 500 Mm; C = 100 Mm.

Figure 22. Valves and appendages of Macropyxis hornei sp. nov. A, B, E–I, paratype adult female (SNB 0142); C, D, paratype (A-1)?male (SNB 0143), (ZMH K-41376). A, C, right valve external view; B, D, left valve external view; E, antenna I; F, antenna II; G, podomere VI of antenna II; H, mandible; I, maxilla I. Scale bars: A–D = 500 Mm; E–I = 100 Mm.

Figure 23. Appendages and furca of Macropyxis hornei sp. nov. A–D, paratype adult female (SNB 0142); E, paratype (A-1) female (SNB 0217), (ZMH K-41376). A, female appendage V; B, appendage VI; C, appendage VII; D, furca; E, (A-1) female appendage V. Scale bars = 100 Mm.