Keysercypria pellucida ( Sars, 1901 ), 2011

Karanovic, Ivana, 2011, On the recent Cyclocypridinae (Podocopida, Candonidae) with description of two new genera and one new species 2820, Zootaxa 2820 (1), pp. 1-61 : 35

Keysercypria pellucida ( Sars, 1901)

( Figures 16C–F )

1901 Cypria pellucida Sars : p. 37, Pl. 8, Figs 7 , 8

? 1905 Cypria pellucida Sars —Daday: p. 255, Pl. 16, Figs 10–15

non 1933 Cypria pellucida Sars —Furtos: p. 467, Pl. 15, Figs 15–17 .

Redescription. Female: Carapace ovoid in lateral view, with dorsal margin almost evenly rounded. LV overlapping RV on all free margins. RV without marginal tubercles along free margin ( Figure 16F ).

T2 ( Figure 16E ): Basal seta missing. Setae “e” and “f” reaching distal end of following segments. Seta “h3” on terminal segment short, reaching only 1/3 of L of terminal claw. Terminal claw as long as three distal segments combined.

T3 ( Figure 16C ): Setae “e”, “f” and “g” all being very short. Terminal segment almost as wide as long, L ratios between three distal setae (of which h1 and h2 being almost claw-like) 1: 2.2: 5.

UR ( Figure 16D ): L ratios between anterior margin, anterior, and posterior claw equaling 1.7: 1.4: 1. Posterior seta, long and inserted slightly more proximally on posterior margin.

Remarks and Affinities. Keysercypria pellucida ( Sars, 1901) was described only after females, and the original description ( Sars 1901) contains only the appearance of the carapace. I checked the type material and provide some additional drawings. Unfortunately, the slide contains only an undissected female, so my observations were limited. Daday (1905), reported the species from Paraguay, and he described the male as well. However, the male’s UR has a very short posterior seta, which is not the case in the female ( Figure 16D ). I was able to check Daday’s material but, unfortunately, all the slides are in such a bad state that it is not possible to draw any conclusion and all would need remounting to be able to verify the identity of the species Daday was dealing with. Furtos (1933) reported the species from Ohio, but this is definitely not even a representative of the genus Keysercypria , since it has long “e” and “f” setae on the T3 and equally long “h1” and “h2” setae on the T3. This was also noted by Klie (1940). If we accept that Daday’s finding was not of K. pellucida , then both, K. pellucida and K. circinata ( Würdig & Pinto, 1993) are described only after females and they differ from K. obtusa only by slightly higher valves in the lateral view. Since I had an opportunity to study the type material of both K. pellucida and K. obtusa , it is indeed difficult to find out any further morphological difference between the two species.

Figures

FIGURE 7. Cypria pusilla Sars, 1896 (NHMO F11601): A—carapace, exterior view from the left side (microphotograph); B—T2, C—A2; D—A1, not all setae drawn; E—T3; F—two terminal segments of Md-palp, without setae drawn. Scales for B- F = 0.1 mm.

FIGURE 8. A, Cypria kerkyirensis (Klie, 1936), syntypes (♂, ZMH 539a); B-E, C. brevisetigera Cole, 1965, A, B, D, holotype (♀, SMNH 120555), C, allotype (♂, SMNH 120556): A—T2, without basal segment, showing the intermediate L of the seta “e”; B—UR; C—hemipenis, outline only; D—T2, without basal segment, showing the short seta “e”; E—T3, showing the absence of the “d2” seta. Scales = 0.1 mm.

FIGURE 10. Distribution of the genus Cypria Zenker, 1854. 1—C. bicolor Petkovski & Meisch, 1994; 2—C. biwaense Okubo, 1990; 3—C. brevisetigera Cole, 1965; 4—C. cavernae Wagenleitner, 1990; 5—C. crenulata Sars, 1903; 6—C. curvifurcata Klie, 1923; 7—C. denticulata Daday, 1905; 8—C. dentifera Sharp, 1897; 9—C. devai Arora, 1932; 10—C. dumonti (Martens, 1982); 11—Cypria exsculpta (Fischer, 1855); 12—C. exquisita Furtos, 1936; 13—C. furfuracea (Brady, 1886); 14— C. gibbera Furtos, 1936; 15—C. globula Furtos, 1933; 16—C. granadae (Hartmann, 1959); 17—C. inequivalva Turner, 1893; 18—C. inflata (Furtos, 1933); 19—C. inversa Klie, 1941; 20—C. javana G.W. Müller, 1906; 21—C. karamani Petkovski, 1976; 22—C. kerkyrensis (Klie, 1936); 23—C. konishii Smith & Kamiya, 2006; 24—C. kraepelini (G.W. Müller, 1903); 25— C. larensis (Hartmann, 1964); 26—C. lubeziensis Kovalenko, 1982; 27—C. maculata Hoff, 1942; 28—C. matzkeae Smith & Janz, 2008; 29—C. mediana Hoff, 1942; 30—C. minicapensis (Green, 1962); 31—C. minuta (Victor & Michael, 1975); 32— C. mons (Chambers, 1887); 33—C. obesa Sharpe, 1897; 34—C. nipponica Okubo, 1990; 35—C. obliqua Klie, 1939; 36—C. ophtalmica (Jurine, 1820) s.l.; 37—C. osburni (Furtos, 1933); 38—C. palustera Furtos, 1935; 39—C. polessica Kovalenko, 1982; 40—C. posterotuberculata Furtos, 1935; 41—C. pseudocrenulata Furtos, 1936; 42—C. pusilla Sars, 1896; 43—C. pustulosa Sharpe, 1897; 44—C. reptans Bronstein, 1928; 45—C. sharmai Battish, 1985; 46—C. sketi Petkovski, 1976; 47—C. spinifera Tressler, 1937; 48—C. subsala Redeke, 1936; 49—C. sywulae Meisch, 2000; 50—C. turneri Hoff, 1942

FIGURE 11. Distribution of the genus Keysercypria gen. nov. 1—K. affinis (Klie, 1933); 2—K. circinata (Würdig & Pinto, 1993); 3—K. deformis (Klie, 1940); 4—K. longiseta (Klie, 1930); 5—K. obtusa (Klie, 1940); 6—K. pellucida (Sars, 1901); 7—K. sanctaeannae (Margalef, 1961); 8—K. schubarti (Farkas, 1958); 9—K. xanabanica (Furtos, 1936).

FIGURE 12. Keysercypria affinis (Klie, 1933). A-E, K—paralectotype ♀ (ZMH 538b); F-J—lectotype ♂ (ZMH 538a) A— Two terminal segments of A2; B—UR; C—LV: D—RV; E—carapace, dorsal view; F—distal four segments of A1; G—UR; H—proximal part of A1, not all setae drawn; I—Mxl-palp; J—right prehensile palp; K—terminal segment and claw of T2. Scales = 0.1 mm. C-D modified after Klie (1933), and not to scale.

FIGURE 13. Keysercypria affinis (Klie, 1933). Lectotype ♂ (ZMH 538a): A—T3; B—T2 without terminal segment: C—basal and first endopodal segments of A2; D—right prehensile palp; E—penultimate and terminal segments of A2; F—hemipenis, only outline; G—terminal segment and terminal claw of T2. Scales = 0.1 mm.

FIGURE 14. Keysercypria deformis (Klie, 1940). A-E, lectotype ♂ (ZMH 550a), F-H paralectotype ♀ (ZMH 550b): A—last three segments of T2; B—last two segments of A2; C—right prehensile palp; D—left prehensile palp; E—hemipenis; F—UR; G—LV; H—RV: I—carapace, dorsal view. Scales = 0.1 mm. G-I modified after Klie (1940) and not to scale.

FIGURE 15. Keysercypria longiseta (Klie, 1930). A-F, lectotype ♂ (ZMH 937a); G-I. paralectotype ♀ (ZMH 937b): A—last two segments of A2; B—last five segments of A1; C—hemipenis; D—T2; E—right prehensile palp; F—left prehensile palp; G—LV; H—RV, I—carapace, dorsal view. Scales = 0.1 mm. G-I modified after Klie (1930) and not to scale.

FIGURE 16. A, B Keysercypria deformis (Klie, 1940). A, lectotype ♂ (ZMH 550); B, paralectotype ♀ (ZMH 550b); C-F— Keysercypria pellucida (Sars, 1901), ♀ (NHMO F11534): A—distal five segments of A1; B—UR; C—T3; D—UR; E—T2; F—carapace, lateral view from the right side. Scales = 0.1 mm.

FIGURE 17. Keysercypria obtusa (Klie, 1940). A-E, lectotype ♂ (ZMH 524a); F-H, paralectotype ♀ (ZMH 524b): A— hemipenis; B—left prehensile palp; C—right prehensile palp; D—T3; E—T2; F—LV; G—RV; H—carapace, dorsal view. Scales = 0.1 mm. F-H modified after Klie (1940) and not to scale.