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FIGURE 14 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 14. Neonesidea tenera (Brady). A, B, E, female specimen 3905F: A, antenna; B, antennal claw; E, posterior of body with furcae, genital lobes, and post-abdominal bristle. C, D, male specimen 3906M: C, mandible; D, posterior of body with hemipenis, furca, post-abdominal bristle.

FIGURE 37. Neonesidea edentulata n in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 37. Neonesidea edentulata n. sp., all male specimen 3958M. A, B, antenna; C, sixth limb; D, seventh limb; E, mouth, F, posterior of body with hemipenis, furca and post-abdominal bristle; G, masticatory organ.

FIGURE 33. Neonesidea bacata n in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 33. Neonesidea bacata n. sp., all male specimen 3912M. A, fifth limb; B, sixth limb; C, seventh limb; D, hemipenis, furca and post-abdominal bristle; E, masticatory organ; F, mouth.

FIGURE 11 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 11. Neonesidea tenera (Brady). A, B, juvenile male instar A-1 specimen 3920MJ, molting animal: hook of adult antennal claw is visible within juvenile claw. C–E, male specimen 3906M: C, D, antennal claw; E, other antennal claw, foreshortened and out of focus, to show how details of shape depend on exact focus and perspective. F, female specimen 3892F: antennal claw. G, female specimen 3905F: antennal claw. H, juvenile female instar A-1 specimen 3910FJ: antennal claw with sharply beveled tip, as usual for bairdiid juveniles. Scale bar = 10 μm.

FIGURE 13 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 13. Neonesidea tenera (Brady). A, female specimen 3905F: vibratory plate of fifth limb. B–D, male specimen 3906M: B, distal part of fifth limb; C, other fifth limb, entire; D, sixth and seventh limbs, brush-shaped organ.

FIGURE 12 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 12. Neonesidea tenera (Brady). A, B, female specimen 3905: A, B, first and second segregated setae of vibratory plate of fifth limb, unfeathered and with wedge-shaped terminations. C–H, male specimen 3906M: C, maxillule; D, antennule (ends of four longest setae are displaced); E, antenna; F, antennal claw with terminal hook; G, masticatory organ; H, mouth.

FIGURE 9 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 9. Neonesidea tenera (Brady). A, G, H, female specimen 3962F: A, genital lobe as seen through carapace before dissection; G, posterior region of body with furcae, ovaries, oviducts, and genital lobes; H, genital lobe. B–F, female specimen 3905F: B, genital lobe with spermatophore plug; C, D, left side of female body with eggs in uteri; E, dehydrated eggs and food ball; F, posterior region of body with furcae, ovaries, oviducts, and genital lobes. Scale bar = 10 μm.

FIGURE 10 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 10. Neonesidea tenera (Brady). A, B, E–L, male specimen 3906M: A, B, posterior of body with hemipenes and furcae; E, spermatophore; F–H, hemipenes; I, spiral vas deferens; J, L, masticatory processes of maxillule; K, terminal claw of palp of maxillule. C, D, female specimen 3905F: C, head capsule with S-shaped struts, sternum, and mouth; D, masticatory organ. Scale bar = 10 μm.

FIGURE 8 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 8. Neonesidea tenera (Brady). A–C, F, juvenile male instar A-1 specimen 3920MJ, molting animal: A, left exterior view, with old carapace partly flaking off, new cuticle and setae visible within interlamellar cavity; B, C, fragment of unexpanded new cuticle, removed from interlamellar cavity of LV; F, right posterior (caudal) view of same specimen, showing new cuticle within the old. D, E, juvenile female instar A-1 specimen 3957FJ: RV and LV exteriors of caudal process, with caudal setae, simple setae, RPC and false RPC. G-J, female specimen 3905F: G, H, LV anterior margin with eyelash setae and simple setae; I, J, LV posterior margin with simple setae and caudal setae. Scale bar = 50 μm.

FIGURE 1 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 1. Map of Midway-Hawaiian Islands chain, showing location and bathymetry of French Frigate Shoals, Kane'ohe Bay, O'ahu, and sample locations.

FIGURE 4. L–H in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 4. L–H scatter plot for Pacific records of Bairdia crosskeiana of Brady (1880) and similar species.

FIGURE 7 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 7. Neonesidea tenera (Brady). A, B, male specimen 3906M: RV and LV exteriors with AMSP, NPC, setae. C, F, G, I, female specimen 3892F: C, left exterior of entire animal, showing masticatory organ, food ball, and female genitalia; F, fragment of carapace cuticle showing several barbed setae (smaller) and simple setae (larger); G, detail of fig. C showing NPC and setae; I, detail of fig. C showing anterior marginal setae, antennules, antennae, mandibles, S-shaped strut of head capsule, esophagus, and masticatory organ. D, E, female specimen 3905F: RV and LV exteriors with AMSP, NPC, and setae. H, juvenile female instar A-1 specimen 3910J: right side of entire animal with numerous secondary crystalline concretions. Scale bar = 50 μm.

FIGURE 2. L–H in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 2. L–H scatter plot for Hawaiian records of Bairdia amygdaloides of Brady (1880) and similar species.

FIGURE 6 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 6. Neonesidea tenera (Brady). A, D, G, female specimen 3892F with decalcified carapace: A, RV exterior; D, LV exterior; G, right side of entire animal before dissection. B, C, F, I, female specimen 3905F with partially calcified carapace: B, RV exterior; C, LV exterior; F, I, right side of entire animal before dissection. E, J, male specimen 3906M with partially calcified carapace: E, RV exterior; J, right side of entire animal before dissection. H, K, female specimen 3962F with calcified carapace: H, left side of entire animal in reflected light before dissection, showing small secondary crystalline concretions, clear marginal regions, brown carapace lining, light orange food balls; K, same in transmitted light. L, juvenile female instar A- 1 specimen 3957J with decalcified carapace, right side of entire animal. Scale bar = 100 μm.

FIGURE 5 in New and poorly known species of Neonesidea (Bairdiidae, Ostracoda, Crustacea) from French Frigate Shoals, the Hawaiian Islands

FIGURE 5. Caudal setae and simple setae on caudal process. A, C, Neonesidea tenera Brady, female specimen 3905F, LV and RV exteriors. B, D, Neonesidea tenera Brady, juvenile female instar A–1 specimen 3957J, RV and LV exteriors. E, F, Neonesidea plumulosa n. sp., male specimen 3960M, LV and RV exteriors. Scale bar = 10 μm.

FIGURE 16 in New and poorly known species of Bairdoppilata and Paranesidea (Bairdiidae, Ostracoda) from French Frigate Shoals and O'ahu, the Hawaiian Islands

FIGURE 16. Bairdoppilata sp. 3, all female specimen 3923F. A, RV exterior with attached dorsal fragment of LV; B, LV exterior, dorsal margin is torn; C, masticatory organ; D–E, LV exterior, anterior and posterior regions; F, right exterior of whole animal before dissection; G, left side of mouth region, with upper lip, atrium and lower lip; H, LV exterior with smooth surface, MSP with adductor muscles, NPC and carapace setae (detail of fig. B); I–J, distal claws of both antennae; K, right exterior of whole animal, posterior end, showing RPC, simple and plumose setae; L, right exterior of whole animal, posterodorsal region to show accessory dentition, higher focus than fig. K. Scale bar = 50 µm.

FIGURE 21 in New and poorly known species of Bairdoppilata and Paranesidea (Bairdiidae, Ostracoda) from French Frigate Shoals and O'ahu, the Hawaiian Islands

FIGURE 21. Paranesidea sp. 2; all female specimen 3961F. A, left exterior of whole animal before dissection, filled with secondary concretions; B–D, fringed claws of palp and masticatory processes of maxilla; E–F, distal claws of antenna; G, pectinate distal claw of mandible palp; H–I, genital lobes; J, detail of Fig. I showing longitudinal striations within tubes; K–L, hinge region of carapace, showing straight connecting ribbons and micropapillate surface texture; M, anterior margin with RPC, selvage, flange, pappose and eyelash setae; N–Q, details of Fig. M at high and low focus, to show pappose setae; R, fragment of decalcified carapace, showing NPC and reticular pattern of micropapillae; S, detail of left exterior before dissection, with setae and micropapillae. Scale bar =50 µm.

FIGURE 11. Bairdoppilata scaura, n in New and poorly known species of Bairdoppilata and Paranesidea (Bairdiidae, Ostracoda) from French Frigate Shoals and O'ahu, the Hawaiian Islands

FIGURE 11. Bairdoppilata scaura, n. sp. A–J, male specimen 3864M; K, juvenile specimen 3959J. A, palp and masticatory processes of maxilla, showing rough texture of cuticle; B, dorsal view of both hemipenes, zygum, furcae and post-abdominal bristle; C–E, exterior of posterior region of right hemipenis, focused from high to low, to show distal appendages and trifurcate tip of copulatory rod; F–H, exterior of posterior region of left hemipenis, focused from high to low, to show distal appendages and trifurcate tip of copulatory rod; I, masticatory organ; J, middle region of seta 2 of furca, with a few tiny barbs; J, distal claws of juvenile antenna, with anlage of accessory claw. Scale bar =50 µm.

FIGURE 7. Bairdoppilata scaura, n in New and poorly known species of Bairdoppilata and Paranesidea (Bairdiidae, Ostracoda) from French Frigate Shoals and O'ahu, the Hawaiian Islands

FIGURE 7. Bairdoppilata scaura, n. sp., holotype male specimen 3860M. A, first thoracic leg; B, reflexed setae of vibratory plate of first thoracic leg, to show chisel-like terminations; C, second thoracic leg; D, third thoracic leg; E, brush-shaped organ; F, plate of masticatory organ; G, furca; H, hemipenis. Scale bar = 100 µm.

FIGURE 13 in New and poorly known species of Bairdoppilata and Paranesidea (Bairdiidae, Ostracoda) from French Frigate Shoals and O'ahu, the Hawaiian Islands

FIGURE 13. Bairdoppilata sp. 2. A–E, female specimen 3966F; F, juvenile specimen 3970J; G–H, female specimen 3972F; I, juvenile specimen 3965J (molting); J, juvenile specimen 3964J. A, right exterior of whole animal; B–C, right exterior, of whole animal, posterior region and anterior region of whole animal; D, anterodorsal region of fig. C, enlarged to show median eye and isthmus; E, median eye, focused on right eye-cup, enlarged from fig. D; F, right exterior of whole animal; G, distal claws of adult antenna; H, right genital lobe before dissection; I, distal claws of juvenile antenna, molting, with adult claws being withdrawn from interior; J, distal claws of juvenile antenna, with anlage of accessory claw. Scale bar = 50 µm.