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14 results for “protoconch”
Figure 2. Protoconchs. A in A revision of the Australian fossil species of Zoila (Gastropoda: Cypraeidae)
Figure 2. Protoconchs. A, Zoila platypyga (McCoy, 1876), P308781, × 7; B, Zoila gigas (McCoy, 1867), P308792, × 3.6; C, Zoila viathomsoni sp. nov., WAM × 10.
Fig. 2 in A new genus of patellogastropod with unusual protoconch from Miocene of Paratethys
Fig. 2. Blinia−bearing localities in west and south Ukraine and in Crimea. Varovtsy, outcrop in the vicinity of Varovtsy village, Gorodok district, Khmelnitsky region (late Badenian); Letichev, quarry 1.5 km NE of Letichev town, Khmelnitsky region (middle Sarmatian); Shirokoe, outcrop in the vicinity of Shirokoe village about 35 km SW of Krivoyi Rog town, Dnepropetrovsk region (Zbruchian horizon of early Sarmatian); Veselyanka, outcrop near Veselyanka village, Zaporozh'e region (Kuzhorian horizon of early Sarmatian); Yurkino, outcrop in the vicinity of Yurkino village about 15 km NW of town Kerch (Crimea) (Chokrakian).
Fig. 5 in A new genus of patellogastropod with unusual protoconch from Miocene of Paratethys
Fig. 5. Blinia gen. nov. and Tectura Gray, 1847 from Miocene of Ukraine. A. Blinia angulata (d'Orbigny, 1844). Specimen (IGS NANU 1/2004) from the middle Sarmatian of Letichev, apical view (A1). Lateral view of the same specimen (A2). B. Blinia pseudolaevigata (Sinzov, 1892). Specimen (IGS NANU 41/2004) from the middle Sarmatian of Letichev, apical view (B1). Lateral view of the same specimen (B2). Detailed apical view of the embryonic shell and juvenile teleoconch of the same specimen as in B1 (B3). The embryonic shell is ornamented by fine concentric wrinkles and pit on the apex. C. Tectura zboroviensis (Friedberg, 1928). Specimen (IGS NANU 18/2003) from the Chokrakian of Yurkino, apical view (C1). Lateral and frontal views of the same specimen (C2, C3). Detailed apical view of the embryonic shell and juvenile teleoconch of the same specimen as in C1 (C4). The onset of juvenile teleoconch is ornamented by fine spiral threads. D. Blinia sp. Specimen (IGS NANU 4/2004) from the middle Sarmatian of Letichev. Detailed apical view of the embryonic shell and juvenile teleoconch.
Fig. 3. A in A new genus of patellogastropod with unusual protoconch from Miocene of Paratethys
Fig. 3. A sketch drawing of the inner shell surface of Blinia sp. with muscle scars indicated by arrows. Specimen (IGS NANU 88/2004) from the middle Sarmatian of Letichev. Anterior edge of a shell is on the top.
Figure 5. Protoconchs. A in Development, phylogeny, and taxonomy of Bostrycapulus (Caenogastropoda: Calyptraeidae), an ancient cryptic radiation
Figure 5. Protoconchs. A, Bostrycapulus pritzkeri sp. nov. from Sydney. B, B. calyptraeformis from the Perlas Islands, Panama. C, B. cf. tegulicia from Cape Verde. D, B. gravispinosus from Minabe, Wakayama Prefecture, Japan. E, B. calyptraeformis from Paita, Peru. F, B. odities sp. nov. from Playa Orengo, Argentina. G, B. urraca sp. nov. from Isla Parida, Panama. H, B. aculeatus from Lido Key, Florida. I, B. odites sp. nov. from São Paulo, Brazil. All are to the same scale. Scale bar = 500 Mm.
FIGURES 4–9. Spixia doellojuradoi. 4. Holotype MACN 23124. 5. Protoconch and 3 in Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
FIGURES 4–9. Spixia doellojuradoi. 4. Holotype MACN 23124. 5. Protoconch and 3 first whorls, sculpture of protoconch and teleoconch, scale bar: 1 mm. 6. Jaw with triangular central plaque, arrow points to central plaques, scale bar: 100 Μm. 7. Radula, central and lateral teeth, scale bar: 10 Μm. 8. Transition from lateral to marginal teeth, scale bar: 10 Μm. 9. Marginal teeth, scale bar: 10 Μm.
(USNM 1231397). Fig. 1: ventral, lateral & dorsal views; Fig. 2: enlarged view of protoconch (not to scale); Fig. 3: apical view, V = varix, L = edge of outer lip. Fig. 4: paratype, from same lot as holotype, ventral view (USNM 1231398). in Taxonomic review of tropical western Atlantic shallow water Drilliidae (Mollusca: Gastropoda: Conoidea) including descriptions of 100 new species
(USNM 1231397). Fig. 1: ventral, lateral & dorsal views; Fig. 2: enlarged view of protoconch (not to scale); Fig. 3: apical view, V = varix, L = edge of outer lip. Fig. 4: paratype, from same lot as holotype, ventral view (USNM 1231398).
Brazil (MZSP 122065). Fig. 1: ventral, lateral & dorsal views; Fig. 2: enlarged view of protoconch (not to scale); Fig. 3: apical view, V = varix, L = edge of outer lip. Fig. 4: paratype from the type locality, ventral view. in Taxonomic review of tropical western Atlantic shallow water Drilliidae (Mollusca: Gastropoda: Conoidea) including descriptions of 100 new species
Brazil (MZSP 122065). Fig. 1: ventral, lateral & dorsal views; Fig. 2: enlarged view of protoconch (not to scale); Fig. 3: apical view, V = varix, L = edge of outer lip. Fig. 4: paratype from the type locality, ventral view.
(MZSP 122062). Fig. 1: ventral, lateral & dorsal views; Fig. 3: apical view, V = varix, L = edge of outer lip. Fig 2: enlarged view of protoconch of specimen in Fig. 10 (not to scale). Lower panel, paratypes from the type locality. Figs. 4–5: MNRJ 34635; Figs. 6–7: USNM 1291334; Figs. 8–10: P. Stahlschmidt coll. in Taxonomic review of tropical western Atlantic shallow water Drilliidae (Mollusca: Gastropoda: Conoidea) including descriptions of 100 new species
(MZSP 122062). Fig. 1: ventral, lateral & dorsal views; Fig. 3: apical view, V = varix, L = edge of outer lip. Fig 2: enlarged view of protoconch of specimen in Fig. 10 (not to scale). Lower panel, paratypes from the type locality. Figs. 4–5: MNRJ 34635; Figs. 6–7: USNM 1291334; Figs. 8–10: P. Stahlschmidt coll.
Figure 9. Velutinidae protoconchs. A in Neither slugs nor snails: a molecular reappraisal of the gastropod family Velutinidae
Figure 9. Velutinidae protoconchs. A, Marseniopsis conica, BAS 03-764. B, Marsenina rhombica, BAU 4229. C, Calyptoconcha pellucida, BAU 3758. D, Variolipallium cerebroides, NIWA 74086.A. E, Pacifica lentiginosa sp. nov., MNHN-IM-2009-16140, holotype. F, Pacifica sp. (L16), MNHN-IM-2013-58543. G, Djiboutia sp. (L22), MNHN-IM-2019-9053. H, Coriocella sp. (L27), MNHN-IM-2013-84230. I, Lamellaria latens complex (L41), MNHN-IM-2019-14179. J, Lamellaria mopsicolor, MNHN-IM-2013-73086. K, Marsenia perspicua complex (L55), MNHN-IM-2019-14574. L, Marsenia sp. (L42), MNHN-IM-2019-7641. Scale bars: A–L, 500 µm. For the sequenced specimens, the corresponding species code (see Fig. 3) is reported in parentheses. Arrows indicate protoconch I – protoconch II boundary.
Figure 4 from: Lima SFB, Christoffersen ML (2016) Redescription and designation of a neotype for Caecum floridanum (Littorinimorpha, Truncatelloidea, Caecidae) with a characterization of the protoconch and growth stages. ZooKeys 585: 17-31. https://doi.org/10.3897/zookeys.585.7646
Figure 4 - Hypothesis in the reconstruction of growth stages and synonyms of Caecum floridanum: A Protoconch to teleoconch IV B Sculpture of teleoconch I C Sculpture of teleoconch II to IV D Caecum irregular, teleoconch IV (syntype – MNHN 25729) E Caecum phronimum at different growth stages, teleoconch II to III (syntype – MNHN 25728) F Caecum compactum, teleoconch IV (USNM 83590) G–H Caecum puntagordanum (holotype – PRI 26107 and paratype – PRI 26108, respectively), teleoconch IV. Measures and scale bars: A protoconch and first half of teleoconch I (Bandel 1996: pl. 7, fig. 7, 0.7 mm), second half of teleoconch II to III (200 µm), teleoconch IV (500 µm), 100 µm (B–C), 500 µm (D–E), 1 mm (F–H)
Figure 3 from: Lima SFB, Christoffersen ML (2016) Redescription and designation of a neotype for Caecum floridanum (Littorinimorpha, Truncatelloidea, Caecidae) with a characterization of the protoconch and growth stages. ZooKeys 585: 17-31. https://doi.org/10.3897/zookeys.585.7646
Figure 3 - Scanning electron micrographs of Caecum floridanum shells at different growth stages and operculum: A Teleoconch II to III (MORG 41.867) B Truncation region between teleoconch II and III (A) C Teleoconch II to III (IBUFRJ 18376) D–F Teleoconch IV (E–F Arrows pointing to last three to four axial ribs at anterior end) (D–F IBUFRJ 18376) G Operculum, outer surface (IBUFRJ 7408) H Operculum, inner surface (IBUFRJ 7408). Scale bars: 500 µm (A, C, E–H), 100 µm (B, I), 200 µm (D).
Figure 1 from: Lima SFB, Christoffersen ML (2016) Redescription and designation of a neotype for Caecum floridanum (Littorinimorpha, Truncatelloidea, Caecidae) with a characterization of the protoconch and growth stages. ZooKeys 585: 17-31. https://doi.org/10.3897/zookeys.585.7646
Figure 1 - Photos of Caecum floridanum, teleoconch IV (neotype, ANSP 407671): A–B lateral view C Apical region showing mucro D Detail of longitudinal lines and axial interspaces/ribs E Anterior region view F Operculum (outer surface view) G Operculum (internal surface view). Scale bars: 500 μm (A–B), 200 μm (C, E), 100 μm (D, F–G).
Figure 2 from: Lima SFB, Christoffersen ML (2016) Redescription and designation of a neotype for Caecum floridanum (Littorinimorpha, Truncatelloidea, Caecidae) with a characterization of the protoconch and growth stages. ZooKeys 585: 17-31. https://doi.org/10.3897/zookeys.585.7646
Figure 2 - Scanning electron micrographs of Caecum floridanum shells at different growth stages: A–B Protoconch and teleoconch I (Bandel 1996: pl. 7, fig. 8, 0.3 mm, fig. 7, 0.7 mm, respectively) C Teleoconch II to IV (IBUFRJ 12687) D Teleoconch II to IV (IBUFRJ 12689) E Teleoconch II to IV (MORG 41.867) F Truncation region between teleoconch II and III G Truncation region between teleoconch II and III. Scale bars: 500 μm (C–E), 100 μm (F), 50 μm (G).
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