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FIG. 2 in Unveiling a hidden diversity: descriptions of nine new species of Ctenorillo Verhoeff, 1942 (Isopoda, Armadillidae) discovered in Brazilian caves and their importance for conservation

FIG. 2. — Ctenorillo pelado Cardoso & Ferreira, n. sp. paratype (male, 5 mm, ISLA96774): A, habitus, lateral view; B, disposition of dorsal tubercles; C, cephalon and pereonite 1, dorsal view; D, epimera 1-3 ventral view; E, pleonites 3-5, uropods and telson, dorsal view; F, antennula; G, antenna; H, right mandible; I, left mandible; J, maxillula; K, maxilla; L, maxilliped. Scale bar: 0.5 mm.

FIG. 15 in Unveiling a hidden diversity: descriptions of nine new species of Ctenorillo Verhoeff, 1942 (Isopoda, Armadillidae) discovered in Brazilian caves and their importance for conservation

FIG. 15. — Ctenorillo cearensis Cardoso & Ferreira, n. sp., paratype (male, 4 mm, ISLA96021): A, uropod, B, pereopod 1; C, pereopod 7; D, pleopod 1 and genital papilla; E, pleopod 2; F, pleopod 3 exopod; G, pleopod 4 exopod; H, pleopod 5 exopod.

FIG. 7 in Unveiling a hidden diversity: descriptions of nine new species of Ctenorillo Verhoeff, 1942 (Isopoda, Armadillidae) discovered in Brazilian caves and their importance for conservation

FIG. 7. — Ctenorillo araguaia Cardoso & Ferreira, n. sp.: A, quartzite outcrops on the Serra das Andorinhas mountain range; B, entrance of the Andorinhas cave, where specimens are found; C, inner portion of the Andorinhas cave; D, habitus in natural condition.

FIG. 27 in Unveiling a hidden diversity: descriptions of nine new species of Ctenorillo Verhoeff, 1942 (Isopoda, Armadillidae) discovered in Brazilian caves and their importance for conservation

FIG. 27. — Habitus of the species of the genus Ctenorillo Verhoeff, 1942 discussed in the present paper: A, Ctenorillo ferrarai Campos-Filho, Araujo & Taiti, 2014; B, Ctenorillo pelado Cardoso & Ferreira, n. sp.; C, Ctenorillo araguaia Cardoso & Ferreira, n. sp.; D, Ctenorillo intertidalis Cardoso & Ferreira, n. sp.; E, Ctenorillo ubajarensis Cardoso & Ferreira, n. sp.; F, Ctenorillo cearensis Cardoso & Ferreira, n. sp.; G, Ctenorillo quiteriensis Cardoso & Ferreira, n. sp.; H, Ctenorillo potiguar Cardoso & Ferreira, n. sp.; I, Ctenorillo iuiuensis n. sp.; J, Ctenorillo jequitinhonha Cardoso & Ferreira, n. sp. Scale bars: 1 mm.

FIG. 14 in Unveiling a hidden diversity: descriptions of nine new species of Ctenorillo Verhoeff, 1942 (Isopoda, Armadillidae) discovered in Brazilian caves and their importance for conservation

FIG. 14. — Ctenorillo cearensis Cardoso & Ferreira, n. sp., holotype (male, 4 mm, ISLA96021): A, habitus, lateral view; B, disposition of dorsal tubercles; C, cephalon, frontal view; D, cephalon, dorsal view; E, epimera 1-3 ventral view; F, pleonites 3-5, uropods and telson, dorsal view; G, antennula; H, antenna; I, right mandible; J, left mandible; K, maxillula; L, maxilla; M, maxilliped. Scale bar: 0.5 mm.

FIG. 29 in Unveiling a hidden diversity: descriptions of nine new species of Ctenorillo Verhoeff, 1942 (Isopoda, Armadillidae) discovered in Brazilian caves and their importance for conservation

FIG. 29. — Distribution of Ctenorillo Verhoeff, 1942 species in Brazil, with the delimitation of the plateaus in Carajás Formation. Karstic areas marked in yellow. Abbreviations: BA, Bahia; CE, Ceará; MG, Minas Gerais; PA, Pará; RN, Rio Grande do Norte.

Fig. 4 in Description of a New Cruranthura Species from the Miyako Islands, Japan, with Its DNA Barcode (Isopoda: Anthuroidea: Paranthuridae)

Fig. 4. Cruranthura viridis sp. nov., holotype, ovigerous female. A–E, Left pleopods 1–5; F, left uropodal exopod; G, right uropodal endopod; H, telson. Scale bars: 100 µm.

Fig. 3 in Description of a New Cruranthura Species from the Miyako Islands, Japan, with Its DNA Barcode (Isopoda: Anthuroidea: Paranthuridae)

Fig. 3. Cruranthura viridis sp. nov., holotype, ovigerous female. A–F, Left pereopods 1–6. Scale bar: 100 µm.

Fig. 2 in Description of a New Cruranthura Species from the Miyako Islands, Japan, with Its DNA Barcode (Isopoda: Anthuroidea: Paranthuridae)

Fig. 2. Cruranthura viridis sp. nov., ovigerous females, holotype (A–F), and paratype (ICHUM8566: G). A, B, Body, dorsal and lateral views; C, dorsal view of head; D, right antennula; E, right antenna; F, left maxilla; G, maxilliped. Scale bars: A, B, 1 mm; C–G, 100 µm.

Fig. 5 in Description of a New Cruranthura Species from the Miyako Islands, Japan, with Its DNA Barcode (Isopoda: Anthuroidea: Paranthuridae)

Fig. 5. SEM images of Cruranthura viridis sp. nov., paratype (ICHUM8567), ovigerous female, pereopods detached. A, B, Ventral and right views of head; C, D, dorsal and left views of pleon (the hole on pleonite 1 was made by an accidental needle prick during dissection). Arrowheads, the fusion between the mandible and head. Scale bars: A, B, 200 µm; C, D, 300 µm.

Fig. 1 in Description of a New Cruranthura Species from the Miyako Islands, Japan, with Its DNA Barcode (Isopoda: Anthuroidea: Paranthuridae)

Fig. 1. Cruranthura viridis sp. nov., holotype, ovigerous female. A, B, Dorsal and right views of living individual; C, D, dorsal and left views of fixed specimen. Scale bars: 1 mm.

FIG. 3 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 3. — Onychocepon harpax Pérez, 1921, ZRC 2023.0258 (A-K): A, female, dorsal view; B, male, dorsal view; C, male, ventral view (arrows indicate attached ciliates); D, left antennule of female; E, left antenna of female; F, left maxilliped and barbular lobes of female; G, left oostegite 1 of female, outer view; H, left oostegite 1 of female, inner view, asterisk shows lobe drawn in close-up; I, close-up of lobe from inner ridge of oostegite 1 of female; J, left pereopod 1 of female; K, left pereopod 7 of female. Scale bars: A, 2 mm; B, C, 1 mm; D, E, I-K, 50 µm; F-H, 200 µm.

FIG. 8. — Rhopalione racemus n in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 8. — Rhopalione racemus n. sp. holotype and allotype specimens (SAM C16386): A, holotype female, dorsal view; B, holotype female, ventral view; C, allotype male, dorsal view. Scale bars: A, B, 2 mm; C, 1 mm.

FIG. 4 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 4. — Rhopalione uromyzon Pérez, 1920, syntype female (MNHN-IU-2024-3187) (8.1 mm): A, dorsal view; B, ventral view; C, right antennule and antenna; D, barbula; E, left oostegite 1, inner view; F, left oostegite 1, outer view; G, left maxilliped, outer view; H, left pereopod 1; I, left pereopod 7; J, close-up view of dactylus, propodus and carpus ending of pereopod 7. Scale bars: A, B, 1 mm; C, G, I, 100 µm; D, 200 µm; E, F, 500 µm; H, 250 µm; J, 50 µm.

FIG. 11. — Rhopalione rusa n in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 11. — Rhopalione rusa n. sp. holotype (ZRC 2023.0259, A-G) and allotype (ZRC 2023.0260, H-M) specimens (ZRC 2019.0534): A, left antennae; B, barbula, left side; C, dorsal view of terminus of pleon showing fifth pleomere with lateral plates on both sides and biramous pleopod shown only on right side and uropods; D, left maxilliped, outer view; inset shows inner view of anterior lobe and spur obscured by lobe of maxilliped (*); E, left oostegite 1 and pereopod 1, outer view; F, left oostegite 1, inner view; G, left pereopod 7; H, ventral view; I, left antennae; J, right pereopod 1; K, right pereopod 1, close-up of dactyl and propodus; L, right pereopod 7; M, pleomere showing pleopod 4 on right side and mid-ventral tubercule. Abbreviations: En, endopod; Ex, exopod; Lp, lateral plate; Uro, uropods. Scale bars: A, G, L, M, 100 µm; B, D-F, 250 µm; C, H, 500 µm; J-K, 50 µm.

FIG. 2 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 2. — Heterocepon marginatum Shiino, 1936, ZRC 2023.0271 (A-I): A, right antenna and antennule of female; B, barbula of female (asterisk shows missing outer lobe); C, left maxilliped of female, outer view with outer barbular lobe attached; D, left oostegite 1 of female, outer view; E, left oostegite 1 of female, inner view; F, left pereopod 1 of female; G, left pereopod 7 of female. Scale bars: A, F, G, 50 µm; B, 250 µm; C-E, 200 µm.

FIG. 7 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 7. — Rhopalione sinensis Markham, 1990 (NHMD-1184775): A, female, dorsal view; B, female, lateral view; C, left oostegite 1, inner view; D, left maxilliped, outer view. Scale bars: A, B, 2 mm; C, D, 100 µm.

FIG. 6 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 6. — Rhopalione atrinicolae Page, 1985 paratype specimens (A, B: NMNZ Cr. 3090) and non-type specimens (C, D: NIWA 160626): A, female, dorsal view; B, male, dorsal view. C, female, dorsal view; D, female, dorsal view, arrow shows lateral plate with slightly crenulate edge. Scale bars: A, C, D, 2 mm; B, 1 mm.

FIG. 5 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 5. — Rhopalione uromyzon Pérez, 1920:two syntype males (MNHN-IU-2024-3189) (A-C, E-G: 3.45 mm, D: 3.68 mm), one syntype female (MNHN-IU-2024-3196) (H, 3.90 mm), 2 syntype females (I, 4.35 mm, J, 5.55 mm): A, dorsal view; B, lateral view; C, ventral view; D, dorsal view, E, left antennule and antenna; F, left pereopod 1; G, left pereopod 7; H-J, dorsal views. Scale bars: A-D, H, 500 µm; E-G, 100 µm; I, J, 1 mm.

FIG. 1 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 1. — Heterocepon marginatum Shiino, 1936, ZRC 2023.0264 (A), ZRC 2023.0269 (B), SMF-ZMG948b (C, D): A, female, dorsal view (dashed line shows where oostegites are cut-off in the picture); B, male, dorsal view; C, female in host Arcotheres palaensis (Bürger, 1895); D, female, dorsal view. Scale bars: A, B, D, 1 mm; C, 2.5 mm.