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FIG. 6 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)

FIG. 6. — Circulation des courants océaniques dans le Sud ouest de l'océan Indien. Schéma basé sur les études de Guyomard et al. (2006) et Pous et al. (2010).

FIG. 1 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)

FIG. 1. — Carte de la région Indo-australienne au Pléistocène, lors du dernier maximum glaciaire, il y a 17 000 ans environ. Le niveau de la mer était à 120 m en dessous du niveau actuel. Les détroits de Malacca, de la Sonde et de Torres, par exemple, étaient fermés. Ce niveau eustatique a varié de 120 m à 0 m durant le Pléistocène, avec toutes les profondeurs intermédiaires ayant chaque fois fermé ou ouvert un passage (rôle de barrière filtrante de l'AIA). Carte modifiée d'après Voris (2000), © 2000 Field Museum of Natural History, Chicago, Illinois, USA.

FIG. 5 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)

FIG. 5. — Réseau d'haplotypes de Neritina canalis Sowerby, 1825 selon la méthode du median-joining. Les cercles sont proportionnels à la fréquence des occurences, le nombre de mutations est indiqué sur les branches par des tirets.

FIG. 2. — A-C in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)

FIG. 2. — A-C, Neritina canalis Sowerby, 1825: A, MNHN-IM-2013-62837, Mo'orea; B, MNHN-IM-2013-62829 Mo'orea; C, MNHN-IM-2013-62821, Futuna; D-H, N. stumpffi Boettger, 1890: D, MNHN-IM-2013-62806, Nouvelle-Calédonie; E, MNHN-IM-2013-62808, Nouvelle-Calédonie; F, MNHN-IM-2013-62809, Futuna; G, MNHN-IM-2013-62796, Comores; H, MNHN-IM-2013-62803, Seychelles. Les échantillons sont présentés avec le périostracum (A, H, et position haute de B, D, G) ou sans le périostracum (C, E, F, et position basse de B, D, G) après un traitement à l'eau de javel, montrant ainsi les motifs réels de la coquille, produits au niveau de la couche calcitique externe. Hauteur des spécimens: A, 28,40 mm; B, 21,10 mm; C, 19,86 mm; D, 17,18 mm; E, 19,66 mm; F, 22,11 mm; G, 20 mm; H, 14,78 mm (la hauteur des échantillons a été mesurée à l'aide d'un pied à coulisse électronique « Absolute digimatic caliper », model n° CD-15DC, de Mitutoyo corp, avec une marge d'erreur de 0,02 mm).

FIG. 4 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)

FIG. 4. — Réseau d'haplotypes de Neritina stumpffi Boettger, 1890 selon la méthode du median-joining. Les cercles sont proportionnels à la fréquence des occurences, le nombre de mutations est indiqué sur les branches par des tirets.

Figures 10-16. Theodoxus meridionalis. 10-15 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula

Figures 10-16. Theodoxus meridionalis. 10-15: Syntypes of Theodoxus meridionlis (Philippi, 1836), 16: original lable.

Figures 2-6 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula

Figures 2-6. The operculum of Theodoxus fluviatilis (2-4), Th. baeticus (5), and Th. meridionalis (6). Abbreviations: ca = callus, eo = embryonic operculum, la = left adductor, ap = apophysis, pa = pseudo-apophysis, ra = right adductor, rp = rib pouch, rs = rib shield.

Figures 7-9 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula

Figures 7-9. Opercula of Theodoxus baeticus. 7: Photo of Mermod's depicted operculum (reproduction, rotated for better comparison), 8-9: actual photos the opercula of the two syntypes (MHNG-MOLL-51319).

Figure 1 in On the identity of Neritina baetica Lamarck, 1822 and Nerita meridionalis Philippi, 1836 (Gastropoda: Neritidae) from the Iberian Peninsula

Figure 1. Reproduction of Mermod's figure of Lamarck's syntypes of Theodoxus baeticus (from Mermod 1953:155, fig. 169).

Figure 5 in Old lake versus young taxa: a comparative phylogeographic perspective on the evolution of Caspian Sea gastropods (Neritidae: Theodoxus )

Figure 5. EBSPs indicating population trends for the pooled Pontocaspian (blue) and southern Iranian (red) Theodoxus groups. The central line of each plot represents the median value and the shaded area indicates the 95% confidence interval. Note the EBSPs depict marginally different starting dates for each group when compared with the phylogeny. Importantly, however, there is a strong overlap of EBSP starting dates with the 95% HPDs established for the onset of intraspecific diversification in each group, as shown in the phylogeny (figure 3).

Figure 1 in Old lake versus young taxa: a comparative phylogeographic perspective on the evolution of Caspian Sea gastropods (Neritidae: Theodoxus )

Figure 1. Representative phenotypes of the Pontocaspian and southern Iranian Theodoxus species studied herein. Pontocaspian: (a,b) T. pallasi (UGSB 20712); (c,d) T. astrachanicus (UGSB 18130); (e,f) T. pallasi (UGSB 18091); (g,h) T. major (UGSB 20482); (i,j) T. major (UGSB 20496); (k,l) T. schultzii (UGSB 20791). Southern Iranian: (m,n) T. doriae (UGSB 21706); (o,p) T. pallidus (UGSB 22228). Scale bar, 1 mm.

Figure 4. Statistical haplotype networks for COI, 16S in Old lake versus young taxa: a comparative phylogeographic perspective on the evolution of Caspian Sea gastropods (Neritidae: Theodoxus )

Figure 4. Statistical haplotype networks for COI, 16S and ATPα sequence data for Pontocaspian and southern Iranian Theodoxus groups. The total number of sequences in each network is demarcated by 'n'. The circle sizes represent the relative frequency of sequences per haplotype. The number of site changes separating haplotypes is indicated by blank dots. Colours correspond to the sampling locations, as indicated in the key and in figure 2. Haplotype groupings are boxed and labelled according to the phylogroups determined through the dated phylogeny (I–VI; figure 3).

Figure 2 in Old lake versus young taxa: a comparative phylogeographic perspective on the evolution of Caspian Sea gastropods (Neritidae: Theodoxus )

Figure 2. Map depictingthelocationsof thesamplingsitesaround the Pontocaspiansystemandsouthern Iran. Coloursof dots correspond to the locations, as indicated in the key. Dashed lines encircle (I) the Pontocaspian and (II) the southern Iranian Theodoxus sampling localities. The size of the dots represents the sample size at each location (larger = 10 specimens; smaller = 5 specimens).

Figure 3 in Old lake versus young taxa: a comparative phylogeographic perspective on the evolution of Caspian Sea gastropods (Neritidae: Theodoxus )

Figure 3. Dated phylogeny of Pontocaspian and southern Iranian Theodoxus spp. constructed in BEAST based on COI, 16S and ATPα sequence data. Supported phylogroups of Pontocaspian and southern Iranian Theodoxus are labelled Ito VI. Node labels among these phylogroups and outgroup species denote divergence time in millions of years ago (Ma), with the 95% credibility interval given in parentheses and as grey bars for in-group taxa. Small red squares at nodes (with darkened node bars and, in some instances, dates) indicate significant posterior probabilities of divergence events. Parallel to each supported phylogroup, coloured bars indicate the localities and respective morphospecies of the included specimens as defined in the key on the left. Caspian Sea lake-level variations over the last 1.5 million years (relative to absolute sea level) and regional stratigraphy (following the 'short–Akchagylian' option) are adapted from Krijgsman et al. [1] (Khv., Khvalynian).

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FIG. 3 in Phylogéographie de Neritina stumpffi Boettger, 1890 et Neritina canalis Sowerby, 1825 (Gastropoda, Cycloneritida, Neritidae)

FIG. 3. — Localités de provenance des échantillons étudiés pour les deux espèces.

FIGURE 3 in New taxonomic and phylogeographic data on three nominal species of the genus Septaria Férussac, 1807 (Gastropoda: Cycloneritida: Neritidae)

FIGURE 3: Cloud of points representing the L/W and L/H ratios of Septaria borbonica, S. porcellana and S. tahitiana.

FIGURE 6 in New taxonomic and phylogeographic data on three nominal species of the genus Septaria Férussac, 1807 (Gastropoda: Cycloneritida: Neritidae)

FIGURE 6. Haplotype network of the nominal species Septaria borbonica and S. porcellana according to the median-joining method. The circles are proportional to the frequency of occurrence, the number of mutations is indicated on the branches by dashes.

FIGURE 5 in New taxonomic and phylogeographic data on three nominal species of the genus Septaria Férussac, 1807 (Gastropoda: Cycloneritida: Neritidae)

FIGURE 5. Bayesian analysis of the gene of the sub-unit 1 of the Cytochrome oxydase (COI). FP French Polynesia, JP Japan, KM Comoros, MU Mauritius, RI Reunion Island.

FIGURE 1. A in New taxonomic and phylogeographic data on three nominal species of the genus Septaria Férussac, 1807 (Gastropoda: Cycloneritida: Neritidae)

FIGURE 1. A Septaria porcellana (Linnaeus, 1758), MNHN-IM-2013-62871 (Okinawa, Japan) B Septaria borbonica (Bory de Saint-Vincent, 1804), MNHN-IM-2013-78206 (Mohéli, Comoros) C Septaria tahitiana Eichhorst, 2016, MNHN-IM-2013- 62864 (Moorea, French Polynesia). From left to right: Ventral view, dorsal view, dorsal view without periostracum, side view. Scale bars: 10 mm.

FIGURE 4. A, B in New taxonomic and phylogeographic data on three nominal species of the genus Septaria Férussac, 1807 (Gastropoda: Cycloneritida: Neritidae)

FIGURE 4. A, B. Samples supposed to belong to Septaria borbonica but for which the identification is doubtful. A MNHN- IM-2013-78211 (Mayotte, Comoros) B MNHN-IM-2013-78212 (Mayotte, Comoros), dorsal view without periostracum. Scale bar: 10 mm.