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Figure 7 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 7. Recent geographical occurrences of Loxocorniculum mutsuense Ishizaki, 1971, based on data from previous studies.

Figure 3 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 3. Distributional pattern of pore systems in adult left valve of Loxoconcha kamiyai sp. nov. Position of one missing pore system of this species is determined by comparison with the distributional pattern of pore systems of Loxocorniculum mutsuense Ishizaki, 1971 (Ishii et al., 2005).

Figure 5 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 5. Results of DDP analysis for 17 loxoconchid species and Loxoconcha kamiyai sp. nov., modified from Ishii et al. (2005). Numbers indicate total numbers of pore systems for each lineage and stage. Trees drawn by hand.

Figure 4 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 4. Patterns of normal pore systems below the eye tubercle by PBE analysis of Ishii et al. (2005) for the adult left valve of Loxoconcha kamiyai sp. nov., based on Figure 3. Pore systems with italic letters (v–z) are the same as those of Ishii et al. (2005), respectively. etb: eye tubercle.

Figure 1 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 1. Geographical and geological occurrences of Loxoconcha kamiyai sp. nov. based on original data, except for data from the Omma Formation cited from Ozawa (1996). Fm: Formation.

Figure 9 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 9. Comparison of lateral view (adult female, A-1 juvenile, adult male) for right valve of Loxocorniculum mutsuense Ishizaki, 1971. A, external lateral view. B, internal lateral view. C, close-up view of anterior hingement element. Upper row: adult female; middle row: A-1 juvenile; lower row: adult male. All specimens from the early Pleistocene Kaidate Formation, central Japan.

Figure 8 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 8. Comparison of lateral view (adult female, A-1 juvenile, adult male) of inner right valve of Loxoconcha kamiyai sp. nov. A, lateral view from inside. B, close-up view of anterior hingement element. C, sketch of anterior hingement element (= B). Upper row: adult female; middle row: A-1 juvenile; lower row: adult male. All specimens from the early Pleistocene Kaidate Formation, central Japan.

Figure 6 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 6. Geographical and geological distribution of Loxocorniculum mutsuense Ishizaki, 1971, based on data from this and previous studies. Fm.: Formation, cf.: conferrable species.

Figure 2 in Taxonomy and sexual dimorphism of a new species of Loxoconcha (Podocopida: Ostracoda) from the Pleistocene of the Japan Sea

Figure 2. Loxoconcha kamiyai sp. nov. A, female, right valve from outside (holotype, MPC-03671). B, female, left valve from outside (paratype, MPC-03675). C, male, right valve from outside (paratype, MPC-03673). D, male, left valve from outside (paratype, MPC-03676). E, female, right valve from inside (paratype, MPC-03672). F, female, left valve from inside (paratype, MPC-03674). G, male, right valve from inside (paratype, MPC-03677). H, A-1 juvenile, left valve (MPC-03678). I, A-1 juvenile, right valve from inside (MPC-03679). J, close-up view of normal pore systems with sieve plates around eye spot of male on left valve (paratype, MPC-03676). K, close-up view of four marginal pore systems and two normal pore systems in postero-ventral marginal area of female on complete carapace (MPC-03680). All specimens from the Pleistocene Omma Formation.

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Linked collectors and determiners for: On three new species of Elpidium Müller, 1880 and the re-description of Elpidium laesslei (Tressler, 1956) from Jamaica (Ostracoda: Podocopida: Limnocytheridae).

Natural history specimen data linked to collectors and determiners held within, "On three new species of Elpidium Müller, 1880 and the re-description of Elpidium laesslei (Tressler, 1956) from Jamaica (Ostracoda: Podocopida: Limnocytheridae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/8c88621c-037e-4d69-b09b-3975da3289d1">https://bionomia.net/dataset/8c88621c-037e-4d69-b09b-3975da3289d1</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/8c88621c-037e-4d69-b09b-3975da3289d1">https://gbif.org/dataset/8c88621c-037e-4d69-b09b-3975da3289d1</a>. Formatted as a Frictionless Data package.

FIGURE 16 in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 16. Neonesidea schulzi (Hartmann). A–G, specimen 013M; images scanned from contact paper print from over-exposed negative film of over-stained preparation, taken in 1967; magnifications were not recorded. H–I, specimen 767W; J–K, specimen 768F; L, specimen 3080F. A, lateral view of compressed head capsule with EV, showing forehead, atrium, labrum, esophagus, chitinous struts, and EV with ring, plate, and braces; B, A2 claw; C, lateral view of both hemipenes, folded; D–E, DV of both hemipenes and zygum; F–G, EV and plate; H–K, RV and LV exteriors in TL; L, posterior spine of LV and fan-shaped plumose sensilla, by SEM. Scale bar = 50 µm.

FIGURE 14. Neonesidea manningi Maddocks. A–F, holotype male 896M in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 14. Neonesidea manningi Maddocks. A–F, holotype male 896M; G–J, specimen 902F; K, specimen 956M; L, unnumbered male specimen; M, specimen 957M. A, A2 claw; B, lateral view of compressed head capsule, with EV and chitinous struts; C, both hemipenes; D–E, RV and LV exteriors in TL; F, AMS of RV; G–H, RV and LV exteriors in TL; I, lateral view of compressed anterior body, with head capsule, labrum, EV, and two food balls; J, genital lobe; K, dorsal view of carapace in RL; L, left lateral view of entire animal in TL; M, plate. Scale bar = 50 µm.

FIGURE 13. A–F in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 13. A–F, Neonesidea manningi Maddocks; A, specimen 895M; B–C, specimen 903F; D–E, specimen 900M; F, specimen 906J; all from Ascension Island. G–I, Neonesidea plumulosa Maddocks, holotype specimen 3960M, from French Frigate Shoal, the Hawaiian Islands. J–M, Neonesidea tenera (Brady); J, specimen 3906M; K, specimen 3892F; L, specimen 3905F; M, specimen 3957J; all from French Frigate Shoal, the Hawaiian Islands. A–B, antennal claws; C–G, I, L, EV with ring, plate, bracket, braces, and details of posterior teeth of plate; H, right lateral view of carapace in RL; M, left lateral view of soft body within decalcified RV. Scale bar = 50 µm.

FIGURE 15. Neonesidea omnivaga Maddocks. A–E, specimen 2444F in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 15. Neonesidea omnivaga Maddocks. A–E, specimen 2444F; F–L, specimen 2447W. A–B, RV and LV exteriors in TL; C, AMS of LV; D, A2 claw; E, genital lobe; F–G, AMS of RV and LV; H–I, RV and LV exteriors in TL with food ball (f) and unidentifiable fragments of appendages.

FIGURE 12 in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 12. Neonesidea longisetosa (Brady). A–O, subfossil specimen 4045M from Belize; P–Q, specimen 1652M from the Bahamas; S, subfossil specimen 4053W from Jamaica. A. A–D, hemipenis, with distal details; E, corner tooth of plate; F–G, VV of plate at high and low focus; H, interior of posteroventral region of RV, showing dry fragments of plate and ring; I–L, diagonal view of plate standing upright within RV interior, from high focus to low focus; M–N, edge view of posterior margin of same plate after removal from valve, showing pyramidal teeth and row of ventral setules, the dorsal surface is up (concave); P–R, hemipenis, with distal details; S, VV of EV with ring and plate. Scale bar = 50 µm.

FIGURE 11 in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 11. Neonesidea gerda (Benson and Coleman); A–D, specimen 2397F, from SW Florida; E–G, 4041W; H, specimen 4043W; both from Florida Keys. Neonesidea longisetosa (Brady); I, specimen 4046W; J–P, specimen 4045M; both from Belize. A–B, fragmentary RV and LV exteriors in TL; C, posteroventral flange and sensilla of RV; D, posteroventral marginal denticles and sensilla of LV, but no terminal spine is visible; E–F, RV exterior in TL; G, interior of RV in RL, with fragments of dry appendages and two food balls (f) in domicilium; H–I, DV in RL; J–K, interiors of LV and RV in RL, with fragments of appendages (brown) and two food balls (f); L–M, RV and LV exteriors in TL with fragments of appendages (brown) and two food balls (f); N, posteroventral fringe and terminal spine of RV in TL, with dry food ball (f), hemipenis (h), plate of EV (p), and limb fragments; O, posteroventral region of LV, with marginal denticles, opaque spot, and food ball (f), but no terminal spine is visible; P, interior of posterior region of RV in TL, after removing food ball, showing terminal spine, hemipenis (h), and a limb fragment. Scale bar = 50 µm.

FIGURE 9 in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 9. Neonesidea gerda (Benson and Coleman). A–N, specimen 2397F from SW Florida. A, A2 claws; B, genital lobe; C–E, F–H, VV of plate and bracket, from high focus to low focus. Scale bar = 50 µm.

FIGURE 10. A–J in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 10. A–J, Neonesidea gerda (Benson and Coleman); A–E, specimen 4054M; F–G, specimen 4056M; H–J, specimen 4055W; all subfossil specimens from Stetson Bank. K–N, Neonesidea omnivaga Maddocks, specimen 609F. A–B, right and left hemipenes; C–D, distal details of hemipenis, with aesthetasc; E–G, DV of plate; H, right-diagonal view of tilted plate; I–J, braces, at high and low focus; K, braces; L, genital lobe, M–N, DV of EV with ring, plate and bracket. Scale bar = 50 µm.

FIGURE 6. Neonesidea florea n in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 6. Neonesidea florea n. sp. A–H, specimen 974M; I–R, specimen 977M; both from West Flower Garden. A, A2 claw; B, DV of plate edge; C, DV of EV with ring, plate, bracket and braces; D–E, right and left hemipenis and furca; F, distal end of hemipenis, with tip of copulatory tube and forked aesthetasc; I, DV of EV with ring, plate, bracket and braces; J, DV of compressed head capsule, including EV with ring, plate, bracket, and braces, as well as mouth region (lower left) and basal podomeres of A2 (lower right); K, hemipenis with zygum; L, hemipenis; M–N, RV and LV exteriors in TL; O–P, RV and LV exteriors in RL; Q–R, AMS and NPC of RV and LV. Scale bar = 50 µm.

FIGURE 7. Neonesidea florea n in Taxonomic applications of the esophageal flapper valve in the Genus Neonesidea (Bairdioidea, Podocopida, Ostracoda), including descriptions of new and poorly known species from the Caribbean and Gulf of Mexico

FIGURE 7. Neonesidea florea n. sp. A–D, specimen 4073W, from Belize; E–S, 975M; T–V, specimen 977J; both from West Flower Garden. A–B, E–F, RV and LV exteriors in TL; C–D, G–H, AMS and NPC of RV and LV; I–J, RV and LV exteriors in RL; K–L, M, DV of plate and bracket; N, zygum, hemipenis and furca; O, A2 claw; P–R, hemipenes; S, brace; T, A2 claw of immature female; U–V, DV of EV with ring, plate and bracket. Scale bar = 50 µm.