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114 results for “Helicoidea”
Figure 6 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 6 Bayesian 50% majority rule consensus tree based on cox1 sequences of (A) Callina and (B) Discula species. Posterior probability values (first value), bootstrap support values from the maximum likelihood analysis with Garli (second value) and iqtree (third value) and maximum parsimony analysis with PAUP* (fourth value) are indicated at the nodes. Only posterior probability values ≥ 0.5 and bootstrap support values ≥ 50% are shown. For information on vouchers, see Table 1 and the corresponding material lists under the species' sections. The inset tree shows the position of Callina and Discula in relation to the other investigated genus-group taxa based on the analysis of concatenated mitochondrial and nuclear sequences as shown in Figure 3.
Figures 103-111 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 103-111 Anatomy and genitalia of Wollastonia turricula, Ilheu de Cima. 103 whole genitalia excluding gonads 104 mantle border 105 section of vagina 106 whole genitalia excluding part of OSD, AG and gonads 107 ornamentation of the inner walls of the flagellum 108 ornamentation of the inner walls of the flagellum, the penial complex, the vagina and the genital atrium 109 longitudinal section of penial papilla 110 section of penial papilla 111 tip of penial papilla. Scale bars 1 mm.
Figure 2 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 2 Standardisation method for counting the tubercles on the shell surface. AB Maximum diameter CD Maximum height EF height of last whorl HG height of second whorl IC height of third whorl; peristoma angle, measured as the angle between the peristomal plane and the horizontal axis of the shell JK width of the last whorl measured along the maximum diameter (JK/2)2 square on the lower surface of the last whorl delimiting the area for the count of tubercles. The centre of the square corresponds to the mid point between J and K and the length of its sides is JK/2. This method allows to compare different specimens and taxa as the area of the square depends on the shell's overall dimensions and is always proportional (the tubercles that partially traverse the contour of the square were included in the count of tubercles).
Figures 171-181 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 171-181 Genitalia and anatomy of Wollastonia klausgrohi sp. n. Casa Velhas, next to the W edge of the old quarry: 171 section of penial papilla 172 ornamentation of the inner walls of the flagellum, the penial complex, the vagina and the genital atrium 173 penial papilla 174, 175 whole genitalia excluding part of OSD, AG and gonads 176 ornamentation of the inner walls of the flagellum, the penial complex, the vagina and the genital atrium 177 section of vagina 178 jaw 179 mantle border 180 penial papilla 181 whole genitalia excluding gonads. Scale bars: 1 mm.
Figure 98 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 98 Jaws and radulae Wollastonia gen. n. A W. leacockiana Pico de Ana Ferreira B W. oxytropis Pico do Concelho C W. jessicae jessicae sp. n. Vale do Touro.
Figure 158 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 158 Distribution of Wollastonia jessicae jessicae sp. n. Filled circles refer to recent and open circles to fossil records.
Figures 188-194 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 188-194 Genitalia and anatomy of Wollastonia oxytropis from Pico do Concelho: 188 whole genitalia excluding part of OSD, AG and gonads. Pico do Concelho: 189 section of vagina 190 tip of penial papilla 191 whole genitalia excluding part of OSD, AG and gonads 192 mantle border 193 ornamentation of the inner walls of the flagellum, the penial complex, the vagina and the genital atrium 194 jaw. Scale bars 1 mm.
Figures 126-128 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 126-128 Shells of Wollastonia falknerorum sp. n. 126 holotype, SMF 348925127 127, 128 paratypes from the loc. typ. Scale bar 1 mm.
Figures 133-141 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 133-141 Genitalia and anatomy of Wollastonia leacockiana. Pico de Ana Ferreira, N slopes: 133 section of penial papilla 134 section of vagina 135 whole genitalia excluding gonads 136 tip of the penial papilla 137 longitudinal section of penial papilla 138 ornamentation of the inner walls of the distal penis, the distal vagina and the genital atrium 139 whole genitalia excluding gonads 140 jaw 141 mantle border. Scale bars 1 mm.
Figures 168-170 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 168-170 Shells of Wollastonia klausgrohi sp. n. 168 holotype, NMWC Z.2016.013.00003 169, 170 paratypes from the loc. typ. Scale bar 1 mm.
Figures 130-132 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figures 130-132 Shells of Wollastonia leacockiana. 130 lectotype of Helix leacockiana Wollaston, 1878, NMH 1875.12.31.137d, ex coll. Wollaston 131 Pico de Ana Ferreira 132 Ilheu de Ferro. Scale bar 1 mm.
Figure 117 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 117 Distribution of Wollastonia turricula. Filled circles refer to recent and open circles to fossil records.
Figure 1 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 1 Map of Porto Santo with offshore islets and map of the Madeiran Archipelago in the Atlantic Ocean.
Figure 1 from: Minton RL, Martinez Cruz MA, Farman ML, Perez KE (2016) Two complete mitochondrial genomes from Praticolella mexicana Perez, 2011 (Polygyridae) and gene order evolution in Helicoidea (Mollusca, Gastropoda). ZooKeys 626: 137-154. https://doi.org/10.3897/zookeys.626.9633
Figure 1 - Mitochondrial genome of Praticolella mexicana UTRGV and McAllen illustrated with an image of the species holotype (ANSP 426031). Gene order and sizes are shown relative to one another, not including non-coding regions. Genes are color coded by H (black) or L (red) strand. IUPAC single letter codes are used to identify tRNA genes.
Figure 3 from: Minton RL, Martinez Cruz MA, Farman ML, Perez KE (2016) Two complete mitochondrial genomes from Praticolella mexicana Perez, 2011 (Polygyridae) and gene order evolution in Helicoidea (Mollusca, Gastropoda). ZooKeys 626: 137-154. https://doi.org/10.3897/zookeys.626.9633
Figure 3 - Maximum likelihood phylogeny of gene order. Analysis in MLGO yielded a single tree. Branch support >50% is shown based on 100 bootstrap replicates. Bradybaenidae and Helicidae were recovered as monophyletic, but Helicoidea was not.
Figure 4 from: Minton RL, Martinez Cruz MA, Farman ML, Perez KE (2016) Two complete mitochondrial genomes from Praticolella mexicana Perez, 2011 (Polygyridae) and gene order evolution in Helicoidea (Mollusca, Gastropoda). ZooKeys 626: 137-154. https://doi.org/10.3897/zookeys.626.9633
Figure 4 - Ancestral gene order reconstructions for Helicoidea. Columns (A–E) correspond to labeled nodes in Figure 2. IUPAC single letter codes are used to identify tRNA genes. Rearrangements in red and blue are unique to Helicidae. The convergent rearrangement seen in Bradybaenidae, Camaena, and Praticolella is shown in yellow. The green rearrangement is unique to Aegista.
Figure 2 from: Minton RL, Martinez Cruz MA, Farman ML, Perez KE (2016) Two complete mitochondrial genomes from Praticolella mexicana Perez, 2011 (Polygyridae) and gene order evolution in Helicoidea (Mollusca, Gastropoda). ZooKeys 626: 137-154. https://doi.org/10.3897/zookeys.626.9633
Figure 2 - Maximum likelihood phylogeny of Stylommatophora protein coding genes. Analysis in IQTREE yielded a single tree (log likelihood = -89104.188) under the mtZOA+F+I+G4 model. Branch support >50% is shown based on 10,000 ultra-fast bootstrap replicates. Helicoidea, Bradybaenidae, and Helicidae were recovered as monophyletic. Nodes A-E refer to rearrangements shown in Figure 4.
Data from: Two complete mitochondrial genomes from Praticolella mexicana Perez, 2011 (Polygyridae) and gene order evolution in Helicoidea (Mollusca, Gastropoda)
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Figure 94 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 94 Distribution of Hystricella echinulata.
Figure 75 from: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677
Figure 75 Distribution of Hystricella aucta.
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