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8,443 results for “gastropoda”
FIGURE 1 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 1. Schematic caecid shell with morphometric measurements: maximum arc (Arc); length from the aperture to the point of maximum arc (Larc); diameter of posterior end (Dpe); diameter of aperture (Da); total length (Tol).
FIGURE 21. Caecum corrugulatum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 21. Caecum corrugulatum. A. Profile view (JL collection, UF350241). B. Holotype, NHMUK 1857.6.4.1547. C. Illustration of C. corrugulatum from Brann (1966). D. C. corrugulatum, "paralectotype", USNM 716049.
FIGURE 26. Caecum dextroversum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 26. Caecum dextroversum. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 15. Caecum parvum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 15. Caecum parvum. A. Profile view with periostracum (LACM 1972-38.32). B. Profile view without periostracum (LACM 1972-38.32). C. Ventral view (SBMNH 452423). D. Operculum, exterior surface (SBMNH 452423). E. Operculum, interior surface (SBMNH 452423). F. Holotype, MCZ 186586. G. C. undatum, syntype, NHMUK 1857.6.4.1533.
FIGURE 29. Caecum elongatum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 29. Caecum elongatum. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 33. Caecum heptagonum. A–C in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 33. Caecum heptagonum. A–C. Profile views depicting sculpture variations (LACM 1976-7.15). D. Ventral view (SBMNH 452511). E. Holotype, NHMUK 1857.6.4.1524. F. Operculum, exterior surface (SBMNH 452511). G. Operculum, interior surface (SBMNH 452511).
FIGURE 32. Caecum glabriforme. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 32. Caecum glabriforme. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 19 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 19. Caecum clathratum shells at different growth stages. A. Protoconch and teleoconchs I to II (LACM 1964-3.10). B. Surface of teleoconch I (LACM 1964-3.10). C. Surface of teleoconch II (LACM 1964-3.10). D. Teleoconchs II to III (LACM 1961-1.13). E. Surface of teleoconchs III to IV (SBMNH 141601). F. Surface of teleoconchs V to VI (LACM 1965-16.97). G. Teleoconchs II to IV (SBMNH 141601). H. Teleoconch IV (LACM 1965-16.97). I. Teleoconchs IV to V (LACM 1967-15.16). J. Teleoconch V (SBMNH 141601). K. Teleoconchs V to VI (LACM 1965-16.97). L. Teleoconch VI (LACM 1967-15.16).
FIGURE 37 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 37. Caecum insculptum shells at different growth stages. A. Teleoconchs I to III (LACM 1972-57.44). B. Teleoconchs III to IV (LACM 1972-57.44). C. surface of teleoconchs I to II (LACM 1972-57.44). D. Surface of teleoconch III (LACM 1972- 57.44). E. Teleoconch IV (LACM 1972-58.63). F. Surface of teleoconch IV (LACM 1972-58.63). G. Surface of teleoconch V (SBMNH 452507). H. Teleoconch V (SBMNH 452507).
FIGURE 25 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 25. Caecum dextroversum shells at different growth stages. A. Protoconch and teleoconchs I to II (LACM 1979- 111.16). B. Surface of teleoconch I (LACM 1979-111.16). C. Surface of teleoconch II (LACM 1979-111.16). D. Teleoconchs II to III (LACM 1972-205.17). E. Surface of teleoconch III (LACM 1972-205.17). F. Surface of teleoconchs IV to VI (LACM 1977-112.47). G. Teleoconchs II to IV (LACM 1972-205.17). H. Teleoconch IV (LACM 1972-205.17). I. Teleoconch V (LACM 1977-112.47). J. Close-up of apertural end (LACM 1972-205.17). K. Teleoconch VI (LACM 1972-205.17).
FIGURE 18. Caecum clathratum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 18. Caecum clathratum. A. Profile view with periostracum (LACM 1973-7.45). B. Profile view without periostracum (LACM 1973-7.45). C. Profile view of subadult without periostracum (LACM 1965-25.57). D. Ventral view (LACM 1967- 15.16). E. Operculum, exterior surface (LACM 1965-16.97). F. Operculum, interior surface (LACM 1967-15.16). G. Syntype NHMUK 1857.6.4.1528. H. C. bahiahondaense, holotype, CAS 708. I. C. erucatum, syntype, MNHN-IM-2000-4601. J. C. interruptum, holotype, MNHN-IM-2000-4597.
FIGURES 42–46 in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 42–46. Comparison of the E Pacific Archierato species (the shells are equally sized for better comparison, consider, e.g., Tab. 1 for their real dimension). 42. A. michaelmonti, holotype. 43. A. rhondae, holotype. 44. A. panamaensis, lectotype. 45. A. columbella, neotype. 46. A. galapagensis, holotype.
FIGURES 36–41 in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 36–41. Comparison of the W Atlantic Archierato species (the shells are equally sized for better comparison, consider, e.g., Tab. 1 for their real dimension). 36. A. guadeloupensis, holotype. 37. A. dalli, holotype. 38. A. dalli, off Florianópolis, Santa Catarina State, Brazil. 39. A. martinicensis, holotype. 40. A. maugeriae, lectotype. 41. A. janae, holotype.
FIGURES 24–26 in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 24–26. Archierato martinicensis (Schilder, 1933) specimens. 24. DFB 7626-1, L 3.7 mm, Bocas Toro, Gulf of Mosquito, E. Panama. 25. A. martinicensis DFB 7626-4, L 3.4 mm (same place). 26. DFB7628-2, L 3.8 mm, Maiquetia, Federal District, Venezuela.
FIGURES 13–15. Archierato rhondae n in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 13–15. Archierato rhondae n. sp. type specimens (from Encinitas, California, USA). 13. holotype, LACM 3646, L 3.9 mm. 14. paratype 1, subadult. MSF-MAM tv13-1. L 4.4 mm. 15. paratype 2, subadult, MSF-MAM tv13-2, L 4.4 mm.
FIGURES 4–6 in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 4–6. Comparison in position of spindle. 4. Archierato michaelmonti, holotype. 5. Archierato rhondae, holotype. 6. A. rhondae paratype 1.
FIGURES 1–3. Eratoid shells. 1 in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 1–3. Eratoid shells. 1. Archierato pyrulata (Tate, 1890), topotype, CS 36. L 6.3 mm, W 4.8 mm, H 3.8 mm, Ypresian, late Eocene of Adelaide, South Australia. 2. Hespererato vitellina (Hinds, 1844), lectotype, NHMUK 1966236/1. L 12.3 mm, W 9.5 mm, H 8.0 mm, 'Bay of Magdalena', W Baja California, W Mexico (photo: Harry Taylor, NHMUK; © Natural History Museum of London 2014). 3. Hespererato scabriuscula (Gray in Sowerby I, 1832), lectotype, NHMUK 1966363/1. L 10.3 mm, W 6.2 mm, H 5.1 mm, "Santa Elena, Colombia" (photo: Harry Taylor, NHMUK; © Natural History Museum of London 2014).
FIGURES 33–35. Archierato guadeloupensis n in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 33–35. Archierato guadeloupensis n. sp type specimens. 33. Holotype MNHN 2012-4222. L 4.8 mm, Port-Louis, Grand Cul-de-Sac Marin, Guadeloupe. 34. Paratype 3 DFB 5141-1, L 5.7 mm, off Longboat Key, Sarasota, Florida, USA. 35. Paratype 4 DFB 5869-1, L 5.7 mm, Pompano Beach, Florida, USA.
FIGURES 10–12. Archierato michaelmonti n in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 10–12. Archierato michaelmonti n. sp type specimens (from Encinitas, California, USA). 10. holotype LACM 3645, L 4.1 mm. 11.: paratype 2 ZSM 20171201, L 4.1 mm. 12. Paratype 3, DFB 7624-1, L 4.5 mm.
FIGURES 7–9. Archierato type specimens. 7 in Contributions to the knowledge of the Eratoidae. X. Revision of the genus Archierato Schilder, 1933 (Mollusca: Gastropoda)
FIGURES 7–9. Archierato type specimens. 7. Archierato maugeriae (Gray in Sowerby I, 1832) lectotype NHMUK 197410/1, L 5.2 mm "Levy County, Florida, U.S.A." (courtesy H. Taylor). 8. Archierato columbella (Menke, 1847) neotype LACM 3302, L 6.8 mm, White Port, Los Angeles County, California, USA (courtesy L.T. Groves). 9. Archierato panamaensis (Carpenter, 1856) lectotype NHMUK 1966619/1, L 7.5 mm, 'Pacific Panama' (courtesy H. Taylor).
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OpenNeuro
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