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160 results for “Cerithioidea”
Figure 2 from: Boonmekam D, Krailas D, Gimnich F, Neiber MT, Glaubrecht M (2019) A glimpse in the dark? A first phylogenetic approach in a widespread freshwater snail from tropical Asia and northern Australia (Cerithioidea, Thiaridae). Zoosystematics and Evolution 95(2): 373-390. https://doi.org/10.3897/zse.95.34486
Figure 2 Distribution and reproductive strategy of "Thiara" aspera (Lesson, 1831). Stars: type localities of a) Melaniaaspera Lesson, 1831, Monokwari, New Guinea, b) Melaniarudis Lea & Lea, 1851, Amboyna and c) Melaniamicrostoma Lea & Lea, 1851, mountain streams, isle of Negros, Philippines. Pie charts show the percentages of offspring in the brood pouch of female T.aspera in different size classes as defined in Glaubrecht et al. (2009), see inset. The numbers near the pie charts refer to the number of individuals examined per population. Filled circles: material preserved in ethanol; open circles: dry shells.
Figure 6 from: Boonmekam D, Krailas D, Gimnich F, Neiber MT, Glaubrecht M (2019) A glimpse in the dark? A first phylogenetic approach in a widespread freshwater snail from tropical Asia and northern Australia (Cerithioidea, Thiaridae). Zoosystematics and Evolution 95(2): 373-390. https://doi.org/10.3897/zse.95.34486
Figure 6 Juvenile and embryonic shells of "Thiara" aspera (Lesson, 1831), SUT 0311020, Samut Sakhon Province, Klong Don Ko. A. Lateral view; B. Apical whorls, lateral, C. Apical view. D. Details of the protoconch. Scale bars: 450 µm (A); 250 µm (B); 200 µm (C); 100 µm (D).
Figure 1 from: Boonmekam D, Krailas D, Gimnich F, Neiber MT, Glaubrecht M (2019) A glimpse in the dark? A first phylogenetic approach in a widespread freshwater snail from tropical Asia and northern Australia (Cerithioidea, Thiaridae). Zoosystematics and Evolution 95(2): 373-390. https://doi.org/10.3897/zse.95.34486
Figure 1 Shells of "Thiara" aspera (Lesson, 1831). A. Holotype of Melaniaaspera Lesson, 1831, MNHN 21098, 'La Nouvelle-Guinée' [more specifically Manokwari on New Guinea Island, West Papua, Indonesia, see Glaubrecht and Podlacha 2010]; B. Syntype of Melaniarudis Lea & Lea, 1851, USNM 119778, Amboyna; C. Syntype of Melaniamicrostoma Lea & Lea, 1851, USNM 119722, mountain streams, isle of Negros, Philippines; D.ZMB 107002, Calcutta, India; E.ZMB 107003, Ceylon, Sri Lanka; F.ZMB 127534, Don Ko Canal, Nakhon Pathom, Thailand; G.ZMB 127535, Don Ko Canal, Nakhon Pathom, Thailand; H.ZMB 127535, Don Ko Canal, Nakhon Pathom, Thailand; I.ZMB 191279, Yehembang River, Bali, Indonesia; J.ZMB 191279, Yehembang River, Bali, Indonesia; K.ZMB 106472, Yehembang, Bali, Indonesia; L. East of Mendaya, stream southwest of Gumicik, Bali, Indonesia; M.ZMB 191278, stream at Tembeeha, road Tirobus-Kendari, Southwest Sulawesi, Indonesia; N.ZMB 107378, Banggai Islands, Peleng Island, West of Peninsula, Tataban river, Central Sulawesi, Indonesia; O.ZMB 107377, Banggai Islands, Peleng Island, West of Peninsula, Tataban river, Central Sulawesi, Indonesia.river; P, Q.ZMB 107617, Wabalarr, Roper River, Northern Territory, Australia; R.ZMB 106599, Berry Springs, Northern Territory, Australia. Scale bar: 1 cm.
Figure 5 from: Boonmekam D, Krailas D, Gimnich F, Neiber MT, Glaubrecht M (2019) A glimpse in the dark? A first phylogenetic approach in a widespread freshwater snail from tropical Asia and northern Australia (Cerithioidea, Thiaridae). Zoosystematics and Evolution 95(2): 373-390. https://doi.org/10.3897/zse.95.34486
Figure 5 Bayesian 50% majority-rule consensus tree based on partial sequences mitochondrial cytochrome c oxidase subunit 1 (cox1) and 16S rRNA (16S) genes. Support values at nodes refer to Bayesian posterior probabilities (left), Maximum Likelihood (middle) and Maximum Parsimony (right) bootstrap values. AUS: Australia, IDN: Indonesia, THA: Thailand. Numbers at tips refer to DNA vouchers in the collection of the ZMB, see also Table 1.
FIGURE 1 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 1. Distribution of recent species of Pseudocleopatra Thiele, 1928 in Africa.
Figure 4. A in Description of 17 new species of Semisulcospiridae (Gastropoda: Cerithioidea) from southern China based on morphological and molecular evidence
Figure 4. A Bayesian inference (BI) tree based on the COI sequence. Values at nodes represent support values for BI and maximum likelihood (ML). Only values> 0.5 or 70 are shown.
Figure 1 from: Neubauer TA (2016) A nomenclator of extant and fossil taxa of the Melanopsidae (Gastropoda, Cerithioidea). ZooKeys 602: 1-358. https://doi.org/10.3897/zookeys.602.8136
Figure 1 - Numbers of melanopsid taxa described between 1758 and 2015 per year and per five years. The most important contributions, i.e., pioneer works and those with numerous new taxa described, are highlighted.
Fig. 15 in A systematic revision of the genus Juga from fresh waters of the Pacific Northwest, USA (Cerithioidea, Semisulcospiridae)
Fig. 15. Shell morphology of Juga canella sp. nov. A. Holotype, USNM 1413106. B–J. Sequenced vouchers. B. USNM 1295010. C. USNM 1295012. D. USNM 1295016. E. USNM 1413103. F. USNM 1413107. G. USNM 1413276. H. USNM 1413280. I. USNM 1413281. J. USNM 1413288. K. USNM 791508. L. CASIZ 223498. M. CASIZ 223572. N–O. CASIZ 30027. P. ANSP 346015. Q–R. UF 80824. S. USNM 63495. T. USNM 509469. U. UF 192876. Scale bar = 1 cm.
Fig. 14. Distribution maps. A in A systematic revision of the genus Juga from fresh waters of the Pacific Northwest, USA (Cerithioidea, Semisulcospiridae)
Fig. 14. Distribution maps. A. Juga caerulea sp. nov. B. Juga canella sp. nov. C. Juga douglasi sp. nov. Red stars, type localities; black dots, sequenced specimens; gray dots, unsequenced museum material. Abbreviations: CA = California; NV = Nevada; OR = Oregon; WA = Washington.
Fig. 3. Bayesian phylogram for 274 in A systematic revision of the genus Juga from fresh waters of the Pacific Northwest, USA (Cerithioidea, Semisulcospiridae)
Fig. 3. Bayesian phylogram for 274 individuals based on a concatenated COI, 16S and ITS1 dataset, with nonconserved regions of the ITS1 dataset removed. Terminals collapsed and outgroups trimmed for simplicity. Scale bar indicates number of nucleotide substitutions per site. Modified from Strong & Whelan (2019). Shells shown to same scale.
Fig. 1 in A systematic revision of the genus Juga from fresh waters of the Pacific Northwest, USA (Cerithioidea, Semisulcospiridae)
Fig. 1. Habitats of Juga H. Adams & A. Adams, 1854 in the Pacific Northwest. A. Springs and spring runs. Bitner Ranch, Nevada (J. acutifilosa (Stearns, 1890)). B. Spring runs. Phipps Meadow, Oregon (J. caerulea sp. nov.). C. Spring-fed creeks. Shoat Springs, Copco Rd, Oregon (J. canella sp. nov.). D. Creeks. Hat Creek, California (J. douglasi sp. nov.). E. Large rivers. Rogue River at Carpenter Island Park, Oregon (J. nigrina (I. Lea, 1856)). F. Lakes. Baum Lake, California (J. occata (Hinds, 1844)).
Fig. 20 in A systematic revision of the genus Juga from fresh waters of the Pacific Northwest, USA (Cerithioidea, Semisulcospiridae)
Fig. 20. Radular morphology of Juga newberryi (I. Lea, 1860) (USNM 1413317). A. View of the anterior radular ribbon. B. Detail of cutting edge of rachidian and lateral teeth. C. Detail of lateral teeth cusps. D. Detail of rachidian cusps. E. Inner and outer marginal teeth. F. Detail of inner and outer marginal teeth cusps. Scale bars: A = 200 µm; B, E = 100 µm; C, F = 50 µm; D = 30 µm.
Fig. 11 in A systematic revision of the genus Juga from fresh waters of the Pacific Northwest, USA (Cerithioidea, Semisulcospiridae)
Fig. 11. Radular morphology of Juga bulbosa (A. Gould, 1847) (USNM 1413186). A. View of the anterior radular ribbon. B. Detail of cutting edge of rachidian and lateral teeth. C. Detail of lateral teeth cusps. D. Detail of rachidian cusps. E. Inner and outer marginal teeth. F. Detail of inner and outer marginal teeth cusps. Scale bars: A = 200 µm; B–C = 100 µm; D–F = 50 µm.
Data from: When domes are spandrels: on septation in turritellids (Cerithioidea) and other gastropods
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FIG. 27 in Observations on the Biology and Sclerochronology of "Turritella" Duplicata (Linnaeus, 1758) (Cerithioidea, Turritellidae) from Southern Thailand
FIG. 27. Turritella duplicata in feeding position. Picture was taken in about two metres water depth. Note the small section of exposed shell at the apical end (arrow on the left) and the two sub-circular holes for the inhalant and exhalent currents (arrows on the right).
FIGURE 5 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 5. Scatter plot of ratios best discriminating among Pseudocleopatra togoensis Thiele, 1928, P. voltana Mandahl- Barth, 1973, P. dartevellei Mandahl-Barth, 1973 and P. broecki (Putzeys, 1899) n. comb. For abbreviations of measured shell variables, see Fig. 2.
FIGURE 3 in Adding the West-African riverine component: Revision of the Recent freshwater snails belonging to Pseudocleopatra Thiele, 1928 (Caenogastropoda, Cerithioidea, Paludomidae)
FIGURE 3. Pairwise scatter plots of measured shell variables (in mm) of Pseudocleopatra togoensis Thiele, 1928, P. voltana Mandahl-Barth, 1973, P. dartevellei Mandahl-Barth, 1973 and P. broecki (Putzeys, 1899) n. comb. (for abbreviations, see Fig. 2).
Figure 20 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 20. Utility of midgut characters. A, no midgut analysis (NMA). Strict consensus of 272 equally parsimonious trees, tree length, L = 647 steps, consistency index, CI = 0.29, retention index, RI = 0.62, based on 123 morphological characters, excluding features of the midgut. B, midgut analysis (MA). Strict consensus of 6241 equally parsimonious trees, L = 94 steps, CI = 0.50, RI = 0.86, based on 28 midgut characters alone. Gray arrows indicate nodes shared with pooled morphology topology (Fig. 18).
Figure 17 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 17. Midgut anatomy of Thiaridae. A, Melanoides tuberculata (AM C.337978). B, Stenomelania denisoniensis (USNM 1083388). C, Tarebia granifera (USNM 1143357). D, Thiara cancellata (USNM 1143358). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
Figure 15 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 15. Midgut anatomy of Paludomidae. A, Cleopatra bulimoides (USNM 793793). B, Cleopatra ferruginea (USNM 882023). C, Paludomus siamensis (USNM 776414). D, Paludomus sp. (AM C.322967). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
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