Macropyxis, MADDOCKS, 1990

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 : 595

GENUS MACROPYXIS MADDOCKS, 1990 ( FIGS 14–29 )

Type species (original binomen): Macrocypris sapeloensis Darby, 1965 (original designation).

Additional species (listed by original binomen): Macropyxis adrecta Maddocks, 1990 ; Macrocypris adriatica Breman, 1975 ; Macropyxis adunca Maddocks, 1990 ; Macropyxis amanda Maddocks, 1990 ; Macropyxis amoena Maddocks, 1990 ; Macropyxis andreseni Jellinek & Swanson, 2003 ; Macropyxis antonbruunae Maddocks, 1990 ; Macropyxis arta Maddocks, 1990 ; Macropyxis audens Maddocks, 1990 ; Macrocypris bathyalensis Hulings, 1967 ; Macropyxis eltaninae Maddocks, 1990 ; Macropyxis improcera Maddocks, 1990 ; Macropyxis kaesleri Maddocks, 1990 ; Macropyxis kalbi Maddocks, 1990 ; Macropyxis kornickeri Maddocks, 1990 ; Macropyxis labutisi Maddocks, 1990 ; Macrocypris longanavan den Bold, 1960 ; Macrocypris rhodanavan den Bold, 1960 ; Macrocypris similis Brady, 1880 ; Macropyxis simulans Maddocks, 1990 ; Macropyxis sonneae Jellinek & Swanson, 2003 ; Macropyxis steinecki Maddocks, 1990 ; Macrocypris tenuicauda Brady, 1880 ; Macropyxis thiedei Jellinek & Swanson, 2003 .

Figures

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

Figure 15. Valves and soft parts of Macropyxis alanlordi sp. nov. A, B, J, L, paratype adult male (SNB 0115, ZMH K-41371). C, D, I, K, M, holotype adult male (SNB 0149, ZMH K-41370). E, F, paratype adult female (SNB 0141, ZMH K-41379). G, H, paratype adult female (SNB 0138, ZMH K-41372). A, C, E, G, right valve external view; B, D, F, H, left valve external view; I, J, hemipenis; K–M, Zenker’s organ. Scale bars: A–H = 500 Mm; I–M = 200 Mm.

Figure 16. Valves and soft parts of Macropyxis alanlordi sp. nov. A, B, E–J, holotype adult male (SNB 0149, ZMH K-41370). C, D, paratype adult female (SNB 0141, ZMH K-41379). A, C, right valve external view; B, D, left valve external view; E, antenna I; F, maxilla I; G, H, male appendage V; I, furca; J, hemipenis. Scale bars: A–D = 500 Mm; E, G, H, J = 100 Mm; F, I = 50 Mm.

Figure 17. Soft parts of Macropyxis alanlordi sp. nov. A, D, E, paratype adult female (SNB 0141, ZMH K-41379). B, C, holotype adult male (SNB 0149, ZMH K-41370). F–H, paratype (A-1) female (SNB 0138, ZMH K-41372). A, female appendage V; B, appendage VI; C, D, appendage VII; E, H, furca; F, antenna II; G, appendage V. Scale bars: A–G = 100 Mm; H = 10 Mm.

Figure 18. Valves and soft parts of Macropyxis cronini sp. nov. A, B, I–M, holotype adult male (SNB 0234, ZMH K-41373); C, D, N, paratype adult female (SNB 0236); E, F, paratype adult female (SNB 0233); G, H, paratype (A-1) (SNB 0151) (ZMH K-41374). A, C, E, G, right valve external view; B, D, F, H, left valve external view; I, J, hemipenis; K, Zenker’s organ; L, M, male appendage V; N, female appendage V. Scale bars: A–H = 500 Mm; I–N = 100 Mm.

Figure 19. Valves and soft parts of Macropyxis cronini sp. nov. A, B, E–G, paratype (A-1) (SNB 0151); C, D, paratype (A-?2) (SNB 0152) (ZMH K-41374). A, C, right valve external view; B, D, left valve external view; E, distal podomeres of antenna II; F, (A-1) appendage V; G, furca. Scale bars: A–D = 500 Mm; E, F = 100 Mm; G = 10 Mm.

Figure 20. Valves and soft parts of Macropyxis ghartmanni sp. nov. A–I, paratype (A-1) (SNB 0146, ZMH K-41321). A, right valve external view; B, left valve external view; C, antenna I; D, antenna II; E, distal, bulbous setae of podomere IV of antenna II; F, palp of maxilla I; G, appendage VI; H, appendage VII; I, furca. Scale bars: A, B = 500 Mm; C, D, G–I = 100 Mm; E, F = 50 Mm.

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.

Figure 24. Valves and furcae of Macropyxis jeans sp. nov. and Macropyxis parajeans sp. nov. Macropyxis jeans sp. nov.: A, B, I, holotype adult male (SNB 0150, ZMH K-41377). C, D, J, paratype adult male (SNB 0089, ZMH K-41380). K, paratype (A-1) (SNB 0248, ZMH K-41378). Macropyxis parajeans sp. nov.: E, F, N, holotype adult female (SNB 0231-DNA 39, ZMH K-41334). G, H, M, paratype adult female (SNB 0235-DNA 43), L, paratype (A-1) male (SNB 0232-DNA 40), (ZMH K-41381). A, C, E, G, right valve external view; B, D, F, H, left valve external view; I–N, furca. Scale bars: A–H = 500 Mm; I–N = 100 Mm.

Figure 25. Valves and soft parts of Macropyxis jeans sp. nov. A–J, holotype adult male (SNB 0150, ZMH K-41377). A, right valve external view; B, left valve external view; C, mandible; D, maxilla I; E, F, male appendage V; G, appendage VI; H, appendage VII; I, furca; J, hemipenis. Scale bars: A, B = 500 Mm; C, G, H, J = 100 Mm; D–F, I = 50 Mm.

Figure 26. Soft parts of Macropyxis jeans sp. nov. and Macropyxis parajeans sp. nov. Macropyxis jeans sp. nov.: A, B, E, F, holotype adult male (SNB 0150, ZMH K-41377); C, D, paratype adult male (SNB 0089, ZMH K-41380). Macropyxis parajeans sp. nov.: G–I, holotype adult female (SNB 0231-DNA 39, ZMH K-41334). A–C, hemipenis; D–F, Zenker’s organ; G, antenna II; H, genital lobes; I, female appendage V. Scale bars = 100 Mm.

Figure 27. Valves and appendage VI of Macropyxis ghartmanni sp. nov., Macropyxis jeans sp. nov., Macropyxis parajeans sp. nov., and Macropyxis sp. nov. 1. Macropyxis ghartmanni sp. nov.: A, B, M, holotype adult female (SNB 0145, ZMH K-41360). C, D, paratype (A-1) (SNB 0146, ZMH K-41321). Macropyxis jeans sp. nov.: E, F, paratype (A-1) (SNB 0248, ZMH K-41378). Macropyxis parajeans sp. nov.: G, H, paratype (A-1) male (SNB 0232-DNA 40), I, J, paratype (A-2) (SNB 0247-DNA 116), (ZMH K-41381). Macropyxis sp. nov. 1: K, L, adult female (SNB 0208, ZMH K-41474). A, C, E, G, I, K, right valve external view; B, D, F, H, J, L, LV external view; M, podomere VI appendage VI. Scale bars: A–L = 500 Mm; M = 100 Mm.

Figure 28. Valves and soft parts of Macropyxis sp. nov. 1. A–G, adult female (SNB 0208, ZMH K-41474). A, right valve external view; B, left valve external view; C, antenna I; D, antenna II; E, maxilla I; F, female appendage V; G, appendage VI. Scale bars: A, B = 500 Mm; C–G = 100 Mm.

Figure 29. Soft parts of Macropyxis sp. nov. 1. A, B, adult female (SNB 0208, ZMH K-41474). A, appendage VII; B, furca. Scale bars = 100 Mm.