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FIGURE 2 in Latrunculia (Latrunculia) tetraverticillata sp. nov. (Porifera, Poecilosclerida, Latrunculiidae) from the bathyal region off the coast of Santa Catarina State, Brazil, Southwestern Atlantic

FIGURE 2. Latrunculia (Latrunculia) tetraverticillata sp. nov. (Holotype, MCNPOR 3695). A, Specimen preserved in alcohol; B, Skeletal arrangement; C, Strongyloxea; D, Detail of strongyloxea extremities; E, Anisodiscorhabds.

FIGURE 4 in Barbulifer enigmaticus, a new seven-spined goby (Pisces: Teleostei: Gobiidae) from the southwestern Atlantic

FIGURE 4. Seascape of Praia dos Castelhanos at low tide (20º 50' 02" S, 40º 37' 16" W), Anchieta, Espírito Santo, Brazil, type locality of Barbulifer enigmaticus. Rocks emergent from the reef flat are lateritic (iron) rocks. The Atlantic Ocean (in the background) is heavily loaded with sediment, a common condition during the winter and rainy episodes. Photo by J.L. Gasparini.

FIGURE 3. MZUFBA 03904, a in Barbulifer enigmaticus, a new seven-spined goby (Pisces: Teleostei: Gobiidae) from the southwestern Atlantic

FIGURE 3. MZUFBA 03904, a juvenile Barbulifer enigmaticus of indeterminate sex, 14.2 mm TL, 11.8 mm SL. Drawing by J.-C. Joyeux.

FIGURE 1. a in Barbulifer enigmaticus, a new seven-spined goby (Pisces: Teleostei: Gobiidae) from the southwestern Atlantic

FIGURE 1. a. CI-UFES 0239, Holotype of Barbulifer enigmaticus, an adult male photographed shortly after fixation in formalin 10% and preservation in ethyl alcohol 70%. 24.4 mm TL, 20.1 mm SL. Photograph by R.M. Macieira. b. ZUEC 6322, paratype of Barbulifer enigmaticus, a male photographed shortly after capture and fixation in formalin 10%. 21.0 mm TL, 16.7 mm SL. Photograph by J.L. Gasparini.

FIGURE 2 in Barbulifer enigmaticus, a new seven-spined goby (Pisces: Teleostei: Gobiidae) from the southwestern Atlantic

FIGURE 2. Cephalic sensory papillae and lateral line canal pore pattern in Barbulifer enigmaticus. Composite based on UF 170389 (a specimen that has only two preoperclar pores) and MZUSP 65971 (for the anterior part of d-line of free neuromasts). Pores M´and O´(on pre-opercule edge) are not directly visible from this angle. Pore B´is behind and slightly below the posterior nostril. Drawing by J.-C. Joyeux.

FIGURE 1 in Macrodon atricauda (Günther, 1880) (Perciformes: Sciaenidae), a valid species from the southwestern Atlantic, with comments on its conservation

FIGURE 1. Macrodon atricauda, Holotype, BMNH 1879.5.14.258 (1: 94.2 mm SL), Rio de La Plata, Argentina.

FIGURE 3. Verilus sordidus. A. MCZ 21764 in Two new records of uncommon deep-sea perciform fishes from the Southwestern Atlantic

FIGURE 3. Verilus sordidus. A. MCZ 21764, neotype, 295 mm SL, courtesy of the Museum of Comparative Zoology, Harvard University. B. TAMAR 030, X ray. C. TAMAR 006, X ray, close-up of first anal-fin pterygiophore, slender and without a hollow or furrow.

FIGURE 1. Scombrolabrax heterolepis. A. TAMAR 030 in Two new records of uncommon deep-sea perciform fishes from the Southwestern Atlantic

FIGURE 1. Scombrolabrax heterolepis. A. TAMAR 030, female, 238.9 mm SL. B. MNRJ 33610, 163.6 mm SL. C. Close-up of upper fangs of the TAMAR specimen.

FIGURE 2. Verilus sordidus. A. TAMAR 006 in Two new records of uncommon deep-sea perciform fishes from the Southwestern Atlantic

FIGURE 2. Verilus sordidus. A. TAMAR 006, male, 232.2 mm SL. B. UFBA 02818, male, 232.3 mm SL. C. Close-up of upper fangs of the TAMAR specimen; note there is a second one behind the left fang. D. Close up of lower teeth series of the TAMAR specimen.

FIGURE 18. Voluta gibbosa Born 1778. A–B, type material NHMW 14209 in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 18. Voluta gibbosa Born 1778. A–B, type material NHMW 14209; C–D, type material NHMW 14208; scale bar = 1 com.

FIGURE 11. Olivancillaria deshayesiana. A–B in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 11. Olivancillaria deshayesiana. A–B, radula, A, frontal view, scale bar = 100 µm, B, detail of rachidian teeth, scale bar= 50 µm; C, siphon tip, critical-point dried, scale bar = 1 mm; D, penis, critical-point dried; scale bar = 1 mm; E, egg capsule, scale bar = 500 µm; F, embryo shell, from Mar del Plata, Buenos Aires province, Argentina, scale bar = 250 µm; G, ultrastructure of the shell, scale bar = 200 µm.

FIGURE 12. A–C in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 12. A–C, lectotype of Olivancillaria orbignyi NHMUK 1854.12.4.416/5; D, plate 59, figure 21 from d´Orbigny (1840); E–F, MACN-In 37504 from Mar del Plata, Buenos Aires province, Argentina; G–I, holotype of Olivancillaria uretai Klappenbach, 1965 MNHNM 725, from La Paloma, Rocha department, Uruguay. Scale bar = 1 cm.

FIGURE 15. A–C in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 15. A–C, Olivancillaria carcellesi Klappenbach, 1965 holotype MNHNM 0773, from Punta del Este, Maldonado department, Uruguay; D–F, paratype of Olivancillaria buckuporum Thomé, 1966, MZUSP 16208 from Cassino, Rio Grande do Sul state, Brazil; G–H, Olivancillaria cf. carcellesi MORG 10.660 from Espírito Santo state, Brazil; I, Olivancillaria cf. carcellesi MZUSP 61339 from Praia Grande, São Paulo state, Brazil; J, Olivancillaria cf. carcellesi MZUSP 73374, São Tomé, Rio de Janeiro state, Brazil; scale bar = 1 cm.

FIGURE 16. Olivancillaria carcellesi. A in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 16. Olivancillaria carcellesi. A, radula, frontal view, scale bar = 100 µm; B, ultrastructure of the shell, scale bar = 200 µm; C, penis, scale bar = 200 µm; D, siphon, scale bar = 1 mm; E–F, egg capsule from Punta Pardelas, Chubut province, Argentina, scale bar = 1 mm.

FIGURE 7. A–B, Olivancillaria vesica. A in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 7. A–B, Olivancillaria vesica. A, radula frontal view, scale bar = 100 µm; B, ultrastructure of the shell, scale bar = 200 µm. C–F, Olivancillaria auricularia. C, radula frontal view, scale bar = 100 µm; D, ultrastructure of the shell, scale bar = 500 µm; E, siphon with numerous branched papillae in the distal tip; F, penis; scale bar for E and F = 1 mm. G, O. vesica, siphon with few papillae of the same size, scale bar = 1 mm. H–I, O. auricularia, egg capsules from Cassino, Rio Grande do Sul state, Brazil, scale bar = 500 µm. ol: outer layer; ml: middle layer; il: innermost layer.

FIGURE 2 in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 2. Apertural view of Olivancillaria carcellesi (MACN-In 37505) showing the homologous landmarks used in the geometric morphometric analysis. Scale bar = 1 cm.

FIGURE 3 in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 3. Results of canonical variates analysis of all Olivancillaria species on the first two axes.

FIGURE 13 in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 13. Olivancillaria orbignyi (Marrat, 1868). A, radula, frontal view, scale bar = 100 µm; B, ultrastructure of the shell, scale bar = 200 µm; C, penis, scale bar = 200 µm; D, siphon, scale bar = 1 mm; E–F, egg capsule, MORG 27802, from Cassino, Rio Grande do Sul state, Brazil, scale bar = 200 μm.

FIGURE 6. A–C in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 6. A–C, holotype of Oliva aquatilis Reeve, 1850, NHMUK 1892.9.24.20, from Brazil; D–E, neotype of Olivancillaria vesica (Gmelin, 1791) MNRJ 18.979, from Maricá, Rio de Janeiro state, Brazil; F–H, neotype of Olivancillaria auricularia (Lamarck, 1811) MACN-In 38160 from Cassino, Rio Grande do Sul state, Brazil. Scale bar = 1 cm.

FIGURE 14. A–B in A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic

FIGURE 14. A–B, holotype of Agaronia testacea (Lamarck, 1811) MHNG unnumbered; C–D, holotype of Oliva steeriae Reeve, 1850 NHMUK 1892.9.24.19 from Gambia; scale bar = 1 cm for A–D; E–G, paratype of Olivancillaria acuminata boavistensis Burnay and Conceição, 1983 from Cape Verde Islands, Africa, USC 11; H–I, Oliva nana Lamarck, 1811 MORG 10.996 from Angola; scale bar for E–I = 2 mm.