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Fig. 1 in Periclimenaeus apomonosi Park & De Grave 2021, sp. nov.

Fig. 1. Map of the upper Paraná River showing the sampling area of the bivalve C. fluminea originating at the mouth of "Garças Lagoon Channel," Paraná River (Porto Rico). (Courtesy of Jaime Luiz Lopes, 2019).

Fig. 2 in Periclimenaeus apomonosi Park & De Grave 2021, sp. nov.

Fig. 2. Partial photomicrograph recording the germ cells of the germinal compartment of the follicles of the bivalve C. fluminea. A. Spermatogonia (sg), primary spermatocytes (pc), secondary spermatocytes (sc) and spermatids (st); B. Secondary spermatocytes and spermatids; C, D. Spermatozoa (sz) and their organization around Sertoli cells (S); Sertoli cell (S) and flagella (fl); E, F. Spermatozoa (sz). Germinal epithelium (ge). Light microscopy/Periodic Acid-Schiff /Hematoxylin /Metanil Yellow. Scale bar: A, B, C, D, E, F = 24 µm.

Fig. 4 in Holops pullomen Barahona-Segovia & Guzmán & Pañinao-Monsálvez 2021, sp. nov.

Fig. 4. Epicepon belema, new species, male allotype, ZRC 2016.0424. A, dorsal view. B, ventral view. C, left antennule (A1), antenna (A2), pereopod 1 and mouthparts. D, right pereopod 7 and pleomere 1 showing pleopod 1 (P1). E, pleomere 5 with pleopods (P5) and uropods (Ur). Scale bars: A, B = 250 µm, C–E = 50 µm.

Fig. 3 in Holops pullomen Barahona-Segovia & Guzmán & Pañinao-Monsálvez 2021, sp. nov.

Fig. 3. Epicepon belema, new species, female holotype, ZRC 2016.0424. A, dorsal view. B, right antennule (A1) and antenna (A2). C, left pereopod 1. D, left pereopod 7. E, left oostegite 1, external view. F, left oostegite 1, internal view. G, left maxilliped, external view (with outer lobe of barbula indicated with arrow). H, barbula (median lobes only). I, right side of pleon showing uropods (Ur), fourth and fifth lateral plates (Lp4, Lp5), fourth exopod (Ex4) and fourth endopod (En4). J, right pleomere 5 showing lateral plate (Lp), exopod (Ex) and endopod (En). Scale bars:A, E, F = 250 µm, B–D, J = 50 µm, G, I = 200 µm, H = 100 µm.

Fig. 2 in Holops pullomen Barahona-Segovia & Guzmán & Pañinao-Monsálvez 2021, sp. nov.

Fig. 2. Epicepon indicum Nierstrasz and Brender à Brandis, 1931, female syntype, ZMUC CR-6788 (A–H) and male syntype, CR-6788 (I–J). A, dorsal view. B, left antennule (A1) and antenna (A2). C, right pereopod 1. D, right pereopod 7. E, left side of barbula. F, right oostegite 1, internal view. G, right maxilliped, external view with outer projection of barbula (OB). H, pleon, ventral view showing uropods (Ur), fifth lateral plates (Lp5), exopod (Ex5) and endopod (En5). I, dorsal view. J, lateral view. Scale bars: B = 25 µm, C, D = 50 µm, E = 100 µm, F, G = 200 µm. A, H–J, from Nierstrasz and Brender à Brandis (1931); not to scale.

Fig. 1 in Holops pullomen Barahona-Segovia & Guzmán & Pañinao-Monsálvez 2021, sp. nov.

Fig. 1. Epicepon japonicum Nierstrasz and Brender à Brandis, 1931, female syntype, ZMUC CR-6930 (A–H), ZRC 2016.0452 (I), and male syntype, ZMUC CR-6930 (J–M). A, dorsal view. B, left antennule (A1) and antenna (A2). C, left pereopod 1. D, right pereopod 7. E, left oostegite 1, internal view. F, left maxilliped, external view. G, right side of barbula. H, left side of pleon, ventral view showing uropods (Ur), fifth lateral plates (Lp5), exopod (Ex5) and endopod (En5). I, pleon, ventral view showing uropods (Ur), fifth lateral plates (Lp5), exopods (Ex5) and endopod (En5). J, ventral view. K, dorsal view. L, right antennule (A1), antenna (A2; partially obscured), pereopod 1 and mouthparts. M, right pereopod 7. Scale bars: B = 25 µm, C, D, L, M = 50 µm, E, F = 20 µm, G = 10 µm, I = 250 µm, J = 200 µm. A, H, K, from Nierstrasz and Brender à Brandis (1931); not to scale

Fig. 13 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 13. Branchinella kugenumaensis thoracopods. (A) Medial-ventral view. (B) Endites I–III. (C) Setae of endites IV–VI and endopod. e1–6, endite I–VI; en, endopod.

Fig. 12 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 12. Eulimnadia braueriana juvenile and adult thoracopods. (A) Medial-anterior view. (B) Lateral view: epipod and exopod. (C) Lateral view of thoracopods: endopod and exopod. (D) Anterior view of the first endite (dorsal is to the left) (E) Setae of the second to fifth endite (anterior view). (F) Pectinate setae on the palp of the fifth endite. e1–5, endite I–V; en, endopod; ep, epipod; ex, exopod; p, palp on endite V.

Fig. 7 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 7. Diagram of adult right molar surface (left as ventral, and up as anterior). Area with the same color represents similar morphology. Molar surface of (A) Eulimnadia braueriana; (B) Branchinella kugenumaensis. a, anterior bordering flagellated region; b, posterior bordering flagellated region; c, transitional zone; d, peripheral region; e, center region.

Fig. 6 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 6. Juvenile mandibles. (A) Degenerating mandibular palp (early juvenile, ventral view). (B) Early juvenile molar surface with preliminary asymmetry. (C) Late juvenile mandibles with the developing paragnaths. e1, endite I; m1, first maxilla; mc, mandible coxa; mp, mandible palp; ms, molar surface; pa: paragnath.

Fig. 3 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 3. Nauplius second antennae. (A) Overall appearance of the second antenna (nauplius substage 3). The entangling of setae is an artifact. (B) Naupliar process at nauplius substage 3. (C) Naupliar process at nauplius substage 6. en, endpod of second antenna; ex, exopod of second antenna; mc, mandible coxa; mp, mandible palp; np, naupliar process; pr, protopod of second antenna; arrow, distal masticatory spine.

Fig. 2 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 2. Eulimnadia braueriana diagram. (A) nauplius substage; (B) early juvenile substage; (C) late juvenile and early adult stage (structures for reproduction not implied). a1, first antenna; a2, second antenna; ca, carapace; en, endpod; ex, exopod; la, labrum; m, mandible; mc, mandible coxa; mp, mandible palp; mx, maxillae; np, naupliar process; pr, protopod; te, telson; th, thoracopod(s).

Fig. 9 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 9. Eulimnadia braueriana fully developed maxillae. (A) Relative location of feeding structures. (B) First maxillae with transported particles. (C) Setae of the first maxillae. (D) Location of the paragnaths, whose direction may have been slightly affected during sample preparation. g, labral gland; mc, mandible coxa; m1, first maxillae; m2, second maxillae; pa: paragnath.

Fig. 1 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 1. Developmental stages of Eulimnadia braueriana observed under the light microscope. (A) Nauplius substage 1; (B) nauplius substage 2; (C) nauplius substage 3; (D) nauplius substage 4; (E) nauplius substage 5; (F) nauplius substage 6; (G) nauplius substage 7; (H) early juvenile substage; (I) late juvenile substage; (J) early adult stage (hermaphrodite); (K) fully grown hermaphrodite; (L) fully grown male.

Fig. 5 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 5. Juvenile and adult second antennae. (A) Early juvenile antenna (ventral view). (B) Degenerating naupliar process. (C) Late juvenile antenna without masticatory spines (ventral view). (D) Endopod setae (late juvenile). (E) Adult second antenna (medial view). (F) Setae on the endopod (adult stage). (G) Setae on the protopod. a1, first antenna; a2, second antenna; en, endpod; ex, exopod; m, mandible; mp, mandible palp; np, naupliar process; pr, protopod.

Fig. 8 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 8. Eulimnadia braueriana adult molar surface. (A) Right molar surface (left as ventral, and up as anterior). (B) Anterior bordering flagellated region. (C) Posterior bordering flagellated region. (D) Anterior part of the molar surface. (E) Peripheral region. (F) Posterior tooth.

Fig. 10 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 10. Branchinella kugenumaensis molar surface. (A) Right molar surface (up as anterior). (B) Anterior part of the molar surface. (C) Posterior part of the molar surface. ms, molar surface.

Fig. 4 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 4. Nauplius mandibles and maxillae. (A) Relative locations of feeding structures (substage 2). (B) Mandibular palp (substage 7). (C) Mandible coxa at substage 1 (posterior view). (D) Molar surface at substage 3. (E) Mandible coxa at the last nauplius substage (substage 7). (F) Relative location of mandible and maxillae (substage 7). ca, carapace; la, labrum; mc, mandible coxa; mp, mandible palp; m1, first maxilla; m2, second maxilla; np, naupliar process; pr, protopod; te, telson; th, thoracopod.

Fig. 14 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 14. Lynceus biformis thoracopods. (A) Lateral view. (B) Pectinate setae (ventral view). ep, epipod; ex, exopo.

Fig. 1 in Fig. 2. Gonadal development during Yntema stages 15, 17, 19 in Bruggmanniella sanlianensis Lin, Yang & Tokuda, 2020, sp. nov.

Fig. 1. Prof. Dr. Brian Timms in his natural habitat: Sue's Clay Pan, Bloodwood Station, New South Wales, Australia, 24 July 2014 (photo by D.C. Rogers).