Bairdoppilata sp. 4

Maddocks, Rosalie F., 2022, Taxonomic applications of the esophageal flapper valve in Bairdoppilata and Glyptobairdia (Bairdiidae, Ostracoda), with comments on anatomy, ontogeny, and geography, Zootaxa 5175 (3), pp. 301-342 : 329

Bairdoppilata sp. 4 [of Maddocks 2015, Hawaii]

( Figure 16E )

2015 Bairdoppilata sp. 4 : Maddocks, p. 305, figs. 17G–P.

2018 Bairdoppilata sp. 4 , Maddocks.—Maddocks, figs. 5C–D; 8E–F, J–K; 10H–J; 12A–J; 16D–H.

Material Examined: One female (specimen 3963F) from KB Station 5, Kane’ohe Bay, the Hawaiian Islands.

Dimensions: Adult female 3963F, carapace L 1.084 mm, H 0.732 mm.

Esophageal Valve: Plate flat, wedge-shaped, with curved posterior edge bordered by about 10 closely spaced, conical to subtriangular teeth, without a median gap, of which the 2 middle teeth and the 2 end teeth are slightly narrower than the 4 teeth between ( Fig. 16E ). At the corners, slightly wider, multilobate corner teeth are visible, together with setules from the underlying brush.

Figures

FIGURE 16. A, B, Bairdoppilata scaura Maddocks [Hawaii]: A, male specimen 3860M: esophageal plate. B, male specimen 3864M: left lateral view of mouth region, with upper and lower lips, atrium, esophagus, U–shaped strut of upper lip, ciliate hemispherical mound of lower lip, flagellate seta projecting into atrium, and setules of forehead and sternum. C, Bairdoppilata sp. 2 [of Maddocks 2015, Hawaii]: female specimen 3969F: esophageal valve with ring, collar, belt and plate. D, Bairdoppilata sp. 3 [of Maddocks 2015, Hawaii]: female specimen 3923F: esophageal valve with collar, plate, bracket, and basal ends of braces. E, Bairdoppilata sp. 4 [of Maddocks 2015, Hawaii]: female specimen 3963F: esophageal plate with bracket. F–I, Bairdoppilata sp. 2 [of Morais & Coimbra 2017, Brazil], female specimen 817F: F, A2 claws; G, esophageal plate and bracket; H, both braces; I, genital lobe. Scale bar = 50 µm.