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FIG. 1 in La thanatocénose du lagon de l'atoll Niau (Polynésie française) avec la description d'une nouvelle espèce de Strombus (Mollusca, Gastropoda, Strombidae)

FIG. 1. — Carte de la partie nord-ouest de la Polynésie française avec l'atoll Niau dans l'archipel des Tuamotu.

FIG. 4. — A-B in La thanatocénose du lagon de l'atoll Niau (Polynésie française) avec la description d'une nouvelle espèce de Strombus (Mollusca, Gastropoda, Strombidae)

FIG. 4. — A-B, Strombus micklei Ladd, 1972; A, paratype, échantillon USNM 648.469, hauteur 44,5 mm, largeur (incomplète) 21,3 mm; B, holotype, échantillon USNM 648.468, hauteur (incomplète) 35,5 mm, largeur 29,2 mm; C-E, Strombus blanci n. sp., échantillons montrant la variabilité de la sculpture face dorsale, dimensions respectives hauteur/largeur en mm: C, 39/22; D, 35/24; E, 32/21.

FIG. 3. — Strombus blanci n in La thanatocénose du lagon de l'atoll Niau (Polynésie française) avec la description d'une nouvelle espèce de Strombus (Mollusca, Gastropoda, Strombidae)

FIG. 3. — Strombus blanci n. sp., paratypes, dimensions hauteur/largeur en mm: A, 40,5/22; B, 38/22; C, 37/22; D, 41/23; E, 35/22; F, 36/20; G, 35/20; H, 40/23; I, 36/20.

FIG. 2. — A-G, J, Strombus blanci n in La thanatocénose du lagon de l'atoll Niau (Polynésie française) avec la description d'une nouvelle espèce de Strombus (Mollusca, Gastropoda, Strombidae)

FIG. 2. — A-G, J, Strombus blanci n. sp.; A-D, holotype, hauteur 37,5 mm, largeur 22 mm; E, F, échantillon, face ventrale et dorsale à l'ornementation obsolète à lisse et brillante, hauteur 32 mm, largeur 21 mm; G, J, échantillon utilisé pour la datation, hauteur 35,8 mm; H, I, Strombus fasciatus Born, 1778, hauteur 40 mm.

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Figure 1 in A theoretical composite model for population sex-specific shell size dynamics in Strombidae (Gastropoda, Neostromboidae)

Figure 1. Modelling male and females population distribution curves showing the mean size (μ) of each sex and the (1) Sex dependant factors: a) time to maturity; b) intra-male competition; c) femalespecific sexual selection; d) fecundity; (2) Inter-sex dependant factors: e) time to maturity; f) sex bias towards larger numbers of females; and (3) Population factors: g) environmental conditions; and h) universal size regulators that affect the size ratio between females and males.

FIGURE 7 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 7. Laevistrombus taeniatus: A) syntype 1: Muséum National d'Histoire Naturelle, Paris: Collection: Molluscs: MNHN-IM-2000-32460 (https://science.mnhn.fr/institution/mnhn/collection/im/item/2000-32460?lang=fr_FR accessed 12/02/ 2017), L 40.8 mm; B) Solomon Islands, ex. A. Hinton, 1966, ex SM No. 11.003, L 52 mm; C) Papua New Guinea (VC) 58.5 mm; D) Solomon Islands, ex. B. Swan, 1985, L 60.5 mm (SM 11.002); and E) an image of shells for sale online showing the extensive colour variation in the western Ambon area of the species range.

FIGURE 5 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 5. Laevistrombus canarium: A) syntype, designated from lot LSL. 435, Linnaean collection (http://linneanonline.org/17229/ {A–F 0020064 specimen 1} accessed 12/02/2017); B) Keelamkarai, India, 5 m, 2015, L 58.7 mm (TM); C) Keelamkarai, India, L 59.0 mm (AMD STR2569); and D) Rameswaran, India, L 60.9 mm (AMD STR0259); Laevistrombus guidoi: E) Efate Island, Vanuatu (VC) 59 mm; and F) Vanuatu, 50–60 ft. in Rubble, 58.0 mm (AMD STR0031).

FIGURE 4 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 4. The Linnaeus (1758) reference images of Laevistrombus canarium: A) d'Argenville (1742) L' Histoire Naturelle Eclaircie dans deux de ses Parties Principales la Lithology et la Conchyliologie dont l'une Traite des Pierres et l'autre des Conquillages t. 17 f. Q; B) Klein (1753) Tentamen Methodi Ostracologicae t. 4, f. 73; C) Petiver (1709–1711) Catalogus Classicus and Topicus t. 98, f. 1; D) Gualtieri (1742) Index Testarum Conchyliorum t. 32, f. N; E) Rumphius (1705, 1741) D'Amboinsche Rariteitkamer t. 36, f. N; F) Rumphius (1705,1741) D'Amboinsche Rariteitkamer. t. 36, f. X.

FIGURE 3 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 3. Early teleoconch studies (post-nuclear): A) Laevistrombus taeniatus Boli Passage, Solomon Islands, Muddy sand 6 m, R. Moylan, 1997 (SM 11.001); B) L. taeniatus Solomon Islands, ex. B. Swan Coll., 1985 (SM 11.002); C) L. taeniatus Hula Village, Papua New Guinea, ex. A. Hinton, 1966 (SM 11.003); D) L. turturella Cebu Island, 2015 (SM 10.009); E) L. guidoi Espiritu Santo, Vanuatu, 50–60 ft. in rubble, ex. B. and A. Deynzer, 1970 (SM 9.001); F) L. canarium Keelamlarai, India, 5 m, 2015 (SM 8.002); G) L. vanikorensis Rokui, Papua New Guinea, low tide in sand, ex G. Buick (SM 7.055); H) L. vanikorensis Rokui, Papua New Guinea, low tide in sand, ex G. Buick (SM 7.055); I) L. vanikorensis Boli Passage, Solomon Islands, muddy sand 6 m, R. Moylan, 1997 (SM 11.001); J) L. vanikorensis Rabaul, Papua New Guinea, ex. D. Martin (SM 7.053); K) L. vanikorensis Bootless Bay, Papua New Guinea, ex. A. Hinton (SM 7.054); and L) L. vanikorensis Alexandra Reef, Qld., on reef sand, ♀, 01/07/2013 (SM 7.040) (Not to scale).

FIGURE 1 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 1. The Laevistrombus of Quoy and Gaimard (1834): A) L. canarium (Quoy and Gaimard 1834, pl. 51, fig. 10); B) Lectotype: L. vanikorensis (Quoy and Gaimard 1834, pl. 51, figs. 7 and 8); and C) Lectotype: L. taeniatus (Quoy and Gaimard 1834, pl. 51, figs. 14 and 15).

FIGURE 2 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 2. The five extant members of the Laevistrombus: A) L. turturella Cebu Island, Philippines, 2015, L 70.5 mm (SM 10.009); B) L. taeniatus Boli Passage, Solomon Islands, Muddy sand 6 m, ex. R. Moylan, 1997, L 51.5 mm (SM 11.001); C) L. guidoi Espiritu Santo, Vanuatu, 50–60 ft. in Rubble, 1970, ex. B. and A. Deynzer, 54.5 mm (SM 9.001); D) L. canarium Keelamkarai, India, 5 m, 2015, L 55.0 mm (SM 8.002); and E) L. vanikorensis Alexandra Reef, Qld., On reef sand, ♀, 01/07/ 2013 (SM 7.040), colour variations.

FIGURE 8 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 8. Laevistrombus vanikorensis: A) syntype 1: Muséum National d'Histoire Naturelle, Paris: Collection: Molluscs: MNHN-IM-2000-32459 (https://science.mnhn.fr/institution/mnhn/collection/im/item/2000-32459 accessed 12/02/2017) size 55.3 mm.; B) syntype 2: Muséum National d'Histoire Naturelle, Paris: Collection: Molluscs: MNHN-IM-2000-32459 (https:// science.mnhn.fr/institution/mnhn/collection/im/item/2000-32459 accessed 12/02/2017); C) Archer Point, Qld., Low tide on sand, ♂, 01/06/2013, L 40 mm (SM 7.017); D) Wonga Beach, Qld., Low tide on sand and rubble, ♀, 11/06/2014, L 30 mm (SM 7.032); E) Marau Sound, Diver, Solomon Islands, L 63.7 mm (AMD STR0290); F) Wallis and Fortuna Islands, L 42.0 mm (AMD STR0886); G) Kolambangara Island, Solomon Islands, 1988 (TM); and H) Boli Passage, Solomon Islands, Low tide in muddy sand, ex. R.Moylan (TM).

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FIGURE 6 in Laevistrombus Abbott 1960 (Gastropoda: Strombidae): Indian and southwest Pacific species

FIGURE 6. The apparent distribution (solid lines) of the three species of Laevistrombus in the southwestern Pacific based on known locations (dots) and geographical features which may affect distributions such as island chains. The type location for Laevistrombus taeniatus in the Indonesian region is also illustrated.