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63 results for “Cochliopidae”
FIGURE 4 in New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot
FIGURE 4. Tryonia peregrina sp. nov. and Tryonia zaragozae sp. nov. A. Holotype, T. peregrina, USNM 874032. B–D. Shells, T. peregrina, USNM 873288 (C and D are males). E. Holotype, T. zaragozae, USNM 873286. F–G. Male shells, T. zaragozae, USNM 874120. H–I. Operculum (outer, inner sides), T. peregrina, USNM 1153677. J–K. Operculum (outer, inner sides), T. zaragozae, USNM 1153679. L. Apical view of shell showing spiral sculpture on teleoconch, T. zaragozae, USNM 1153679. M. Portion of radular ribbon, T. peregrina, USNM 1153677. N. Central radular teeth, T. peregrina, USNM 1153677. O. Lateral tooth, T. peregrina, USNM 1153677. P. Portion of radular ribbon, T. zaragozae, USNM 1153679. Q. Central radular teeth, T. zaragozae, USNM 1153679. R. Lateral tooth, T. zaragozae, USNM 1153679. Scale bars A–G = 1.0 mm, H–L = 250 µm, M, P = 25 µm, N–O, Q–R = 10 µm.
FIGURE 3 in New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot
FIGURE 3. Tryonia peregrina sp. nov. A. Prostate gland (viewed from left side), USNM 1153677. B–C. Female brood pouch and associated structures (B, viewed from left side, embryos not shown; C, close-up of sperm pouches and associated ducts), USNM 1153677. Scale bars A = 250 µm, B–C = 500 µm. Ag = albumen gland, Avd = anterior section of vas deferens, Bp = brood pouch, Bu = bursa copulatrix, Cov = coiled oviduct, Pvd = posterior section of vas deferens, Pw = posterior wall of pallial cavity; Sdu, sperm duct; Sr, seminal receptacle; St, sperm tube.
FIGURE 7 in New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot
FIGURE 7. Tryonia ovata sp. nov. and Tryonia angosturae sp. nov. A. Holotype, T. ovata, USNM 873264. B. Male shell, T. ovata, UTEP 977. C. Holotype, T. angosturae, USNM 873259. D–E. Shells, T. ovata, USNM 1153668 (E is a male). F–G. Operculum (outer, inner sides), T. ovata, USNM 1153676. H–I. Operculum (outer, inner sides), T. angosturae, USNM 1153688. J. Portion of radular ribbon, T. ovata, USNM 1153676. K. Central radular teeth, T. ovata, USNM 1153676. L. Lateral and inner marginal teeth, T. ovata, USNM 1153676. M. Portion of radular ribbon, T. angosturae, USNM 1153688. N. Central radular teeth, T. angosturae, USNM 1153688. O. Lateral and inner marginal teeth, T. angosturae, USNM 115368. Scale bars A–E = 1.0 mm, F–I = 250 µm, J, M = 25 µm, K–L, M–O = 10 µm.
FIGURE 1 in New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot
FIGURE 1. Map showing the distribution of Tryonia species in the Chihuahuan Desert. 1. Tryonia hertleini, Las Palomas. 2. Tryonia peregrina sp. nov., Ojo Vareleño, northwest of Casas Grandes. 3. Tryonia peregrina sp. nov., Yepomera. 4. Tryonia zaragozae sp. nov., northeast of Ignacio Zaragoza. 5. Tryonia angostura sp. nov., T. ovata sp. nov., south of Galeana. 6. Tryonia molinae sp. nov., El Molino. 7. Tryonia taylori sp. nov., vicinity of Rancho Ojo Caliente. 8. Tryonia contrerasi sp. nov., vicinity of Rancho Nuevo. 9. Tryonia chuviscarae sp. nov., T. minckleyi sp. nov., Balneario de San Diego de Alcala. 10. Tryonia julimesensis sp. nov., south of Julimes. 11. Tryonia allendae sp. nov., southwest of Talamantes. 12. Tryonia metcalfi sp. nov., La Cienega, south of Candelaria. 13. Tryonia oasiensis sp. nov., Caroline Spring, Oasis Ranch. 14. Tryonia cheatumi, Phantom Lake Spring. 15. Tryonia circumstriata, Diamond Y Draw. 16. Tryonia seemani, Ojo de Agua del Obispo, Durango City. 17. Tryonia seemani, Nombre de Dios. 18. Tryonia seemani, Amado Nervo.
FIGURE 6 in New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot
FIGURE 6. Photographs of habitats of species treated in this paper. A. Ojo Vareleño, Chihuahua, type locality of T. peregrina sp. nov. (photograph taken on 16/ix/1990). B. Main spring in Yepomera, Chihuahua, T. peregrina habitat (18/ix/1990). C. Springs northeast of Ignacio Zaragoza, Chihuaua, type locality of T. zaragozae sp. nov. (8/xii/1998). D. Western-most head spring, Ojos de Arrey, Chihuahua, type locality of T. angosturae sp. nov. and T. ovata sp. nov. (7/xii/1998). E. Spring in northern part of El Molino, Chihuahua, type locality of T. molinae sp. nov. (26/iv/2010). F. Ojo del Apache, Chihuahua, type locality of T. contrerasi sp. nov. (14/xii/1998). G. Ojo Carbonero, Chihuahua, T. contrerasi habitat (2/iv/1991). H. Outflow of Ojo Caliente, Chihuahua, type locality of T. taylori sp. nov. (7/ xii/1998). I–J. El Ojo de Servin, Chihuahua, T.taylori habitat (27-viii-1971, 7/xii/1998, respectively). K. Seeps in La Cienega, Texas, type locality of T. metcalfi sp. nov. (6/xii/2001). L–M. Balneario de San Diego de Alcala, Chihuahua, type locality of T. chuviscarae sp. nov. and T. minckleyi sp. nov. (4/xii/2001). N. Springs southeast of Julimes, Chihuahua, type locality of T. julimesensis sp. nov. (5/ iv/1991). O. El Ojito (outflow), southwest of Talamantes, Chihuahua, type locality of T. allendae sp. nov. (10/xii/1998). P. Caroline Spring, Oasis Ranch, Texas, type locality of T. oasiensis sp. nov. (30/iii/2009). Q. Spring in Nombre de Dios, Durango, T. seemani habitat (2/ix/1971). R. Spring in Amado Nervo, Durango, T. seemani habitat (7/iv/1991).
FIGURE 9 in New species and records of springsnails (Caenogastropoda: Cochliopidae: Tryonia) from the Chihuahuan Desert (Mexico and United States), an imperiled biodiversity hotspot
FIGURE 9. Tryonia taylori sp. nov and T. metcalfi sp. nov. A. Holotype, T. taylori, USNM 873254. B. Male shell, T. taylori, USNM 1153678. C–D. Shells, T. taylori, USNM 873283 (D is a male). E. Holotype, T. metcalfi, USNM 1001931. F. Shell, T. metcalfi, USNM 1153672. G–I. Operculum (outer, inner, inner sides), T. taylori, USNM 1153678. J–K. Operculum (outer, inner sides), T. metcalfi, USNM 1153672. L. Portion of radular ribbon, T. taylori, USNM 1153678. M. Central radular teeth, T. taylori, USNM 1153678. N. Lateral tooth, T. taylori, USNM 1153678. O. Portion of radular ribbon, T. metcalfi, USNM 1153672. P. Central radular teeth, T. metcalfi, USNM 1153672. Q. Lateral teeth, T. metcalfi, USNM 1153672. Scale bars A–F = 1.0 mm; G–K = 250 µm; L, O = 25 µm, M–N, P–Q = 10 µm.
Supplementary material 2 from: Perez KE, Guerrero Y, Castañeda R, Diaz PH, Gibson R, Schwartz B, Hutchins BT (2023) Two new phreatic snails (Mollusca, Caenogastropoda, Cochliopidae) from the Edwards and Edwards-Trinity aquifers, Texas. Subterranean Biology 47: 1-27. https://doi.org/10.3897/subtbiol.47.113186
Photo-vouchers of individuals sampled for DNA or radula, Vitropyrgus lillianae gen. et sp. nov. and Stygopyrgus bartonensis
FIGURE 3 in A new freshwater snail genus and species (Gastropoda: Caenogastropoda, Cochliopidae) with extremely spinous shells from sub-recent spring deposits in northeastern Mexico
FIGURE 3. SEM images of Spinopyrgus luismaedai n. gen. et n. sp. (L–P). L. Specimen (UJMC-255) from El Molino spring with strong spines. M. Specimen (UJMC-255) apical view. N. Specimen (UJMC-256), protoconch. O. Specimen (UJMC-255), details of the strong axial elements of the body whorl. P. Specimen (UJMC-256) from Juan Guerra spring, protoconch. Q-T. Pyrgophorus parvulus (Guilding) from Río Sabinas, Coahuila, Mexico (from Czaja et al. 2022, Fig. 5A). Q, R. Specimen (UJMC 460a) from Río Sabinas from both sides. S. Same specimen with details of the spiral elements of the body whorl. T. Same specimen (UJMC 460a), protoconch.
FIGURE 2. Spinopyrgus luismaedai n. gen. et n in A new freshwater snail genus and species (Gastropoda: Caenogastropoda, Cochliopidae) with extremely spinous shells from sub-recent spring deposits in northeastern Mexico
FIGURE 2. Spinopyrgus luismaedai n. gen. et n. sp. (A–K). A–B. Holotype (UJMC-250) from Juan Guerra spring. C. Paratype 1 (UJMC-251) from Juan Guerra spring. D. Paratype 2 (UJMC-252) from Juan Guerra spring. E, F. Paratype 3 (UJMC-252a) from Juan Guerra spring, specimen with three keels. G. Specimen (UJMC-253) from El Molino spring. H. Specimen (UJMC- 254) from Juan Guerra spring. I. Specimen (UJMC-253) from El Molino spring, protoconch view. J. Paratype 3 (UJMC-251), details of the carina with spines. K. Specimen (UJMC-253b) from El Molino spring, details of the carina with shovel-shaped spines.
FIGURE 1 in A new freshwater snail genus and species (Gastropoda: Caenogastropoda, Cochliopidae) with extremely spinous shells from sub-recent spring deposits in northeastern Mexico
FIGURE 1. Study area showing the locations of the Viesca springs. The scale bar refers to the map with the springs marked. The topography is illustrated using HillShade in ArcGIS.
Figure 5 in Heleobia maltzani (Westerlund, 1886) (Caenogastropoda: Truncatelloidea: Cochliopidae) from Crete and species-level diversity of Heleobia Stimpson, 1865 in Europe
Figure 5. Maximum likelihood tree for the COI mitochondrial gene, based on the sequences of two Heleobia haplotypes (HI and H2) from Crete and other European (available in GenBank) Heleobia species. The bar indicates 0.005 substitutions per site. For details see Table 1.
Figure 2 in Heleobia maltzani (Westerlund, 1886) (Caenogastropoda: Truncatelloidea: Cochliopidae) from Crete and species-level diversity of Heleobia Stimpson, 1865 in Europe
Figure 2. Shells of Heleobia maltzani (Westerlund, 1886): (A-G) Almiros of Gheorghioupoulis; (H-O) Almiros of Iraklion; (P-X) Almiros of Aghios Nikolaos. Scale bar = 1 mm.
Figure 4 in Heleobia maltzani (Westerlund, 1886) (Caenogastropoda: Truncatelloidea: Cochliopidae) from Crete and species-level diversity of Heleobia Stimpson, 1865 in Europe
Figure 4. Renal and pallial section of female reproductive organ of Helobia maltzani from Crete. bc – bursa copulatrix, cbc – duct of bursa copulatrix, ga – albuminoid gland, gn – nidamental (capsule) gland, gp1–gonoporus terminating oviduct, gp2–gonoporus terminating spermal (copulatory) duct, ovs – spiral of (renal) oviduct, pmc – posterior border of mantle (pallial cavity), rs – receptaculum seminis, sd – spermathecal (copulatory) duct.
Figure 1 in Heleobia maltzani (Westerlund, 1886) (Caenogastropoda: Truncatelloidea: Cochliopidae) from Crete and species-level diversity of Heleobia Stimpson, 1865 in Europe
Figure 1. Map of the sampling sites of Heleobia: (A) study sites: K03 – Almiros Gheorghioupoulis; K05 – Almiros of Iraklion; K06 – Almiros of Aghios Nicolaos. The haplotypes (H1 and H2) for the COI mitochondrial gene are also presented, with their frequencies at each site. (B) Sites for reference sequences (for details see Table 1). Red dots correspond to clade A1 and A2.
Figure 1 in A new species of Spiripockia from eastern Brazil and reassignment to Cochliopidae (Gastropoda: Truncatelloidea)
Figure 1. Left: Caatinga environment surrounding Domingão cave. Right: Domingão cave entrance. Photographs are courtesy of M.E. Bichuette.
Figure 3 in A new species of Spiripockia from eastern Brazil and reassignment to Cochliopidae (Gastropoda: Truncatelloidea)
Figure 3. Spiripockia umbraticola sp. nov. Anatomical features of a female specimen (paratype MZSP 151100); scale bars = 0.5 mm. (a) Inner ventral view of pallial cavity roof, partially uncoiled visceral mass, stomach and adjacent structures seen as in situ; gill filament of middle region removed to show filament profile. (b) Frontal view of head-foot. (c) lateral view (right) of foregut and adjacent nerve ring. (d) Antero-ventral view of central nervous system.
Figure 2 in A new species of Spiripockia from eastern Brazil and reassignment to Cochliopidae (Gastropoda: Truncatelloidea)
Figure 2. Spiripockia umbraticola sp. nov. (a,b,f) scanning electron microscope images of the holotype MZSP 151099; shell height = 5.2 mm. (c–e) Light microscopy of the paratype MZSP 151100; shell height = 4.8 mm. (f,g) Operculum of the paratype, light microscopy. (i) Live animals attached to wooden log (momentarily removed from the water for photographing); note the dark-pigmented specimen to the right. Photograph is courtesy of P.P. Rizatto.
Figure 4 from: Gladstone NS, Perez KE, Pieper EB, Carter ET, Dooley KE, Shoobs NF, Engel AS, Niemiller ML (2019) A new species of stygobitic snail in the genus Antrorbis Hershler & Thompson, 1990 (Gastropoda, Cochliopidae) from the Appalachian Valley and Ridge of eastern Tennessee, USA. ZooKeys 898: 103-120. https://doi.org/10.3897/zookeys.898.46917
Figure 4 A Cave Creek Cave. Bottom B Pedigo Cave C Eblen Cave (NSG and ETC). Photograph credits: A, B NSG C EBP.
Figure 3 from: Gladstone NS, Perez KE, Pieper EB, Carter ET, Dooley KE, Shoobs NF, Engel AS, Niemiller ML (2019) A new species of stygobitic snail in the genus Antrorbis Hershler & Thompson, 1990 (Gastropoda, Cochliopidae) from the Appalachian Valley and Ridge of eastern Tennessee, USA. ZooKeys 898: 103-120. https://doi.org/10.3897/zookeys.898.46917
Figure 3 Shell, opercula, and radula of Antrorbis tennesseensis sp. nov. A, B Holotype, ANSP 476793 C protoconch of Antrorbis cf. tennesseensis, ANSP 476793 D operculum, outer side, ANSP A477042 E operculum, inner side, ANSP 476793 F radula of ANSP 476793 G central teeth, ANSP 476793 H lateral teeth, ANSP 476793 I inner marginal teeth, ANSP 476793 J outer marginal teeth, ANSP 476793 Scale bars: 0.5 mm (A, B); 200 μm (C); 200 μm (D, E); 20 μm (F); 5 μm (G); 5 μm (H); 10 μm (I, J). Photograph credits: NFS.
Figure 1 from: Gladstone NS, Perez KE, Pieper EB, Carter ET, Dooley KE, Shoobs NF, Engel AS, Niemiller ML (2019) A new species of stygobitic snail in the genus Antrorbis Hershler & Thompson, 1990 (Gastropoda, Cochliopidae) from the Appalachian Valley and Ridge of eastern Tennessee, USA. ZooKeys 898: 103-120. https://doi.org/10.3897/zookeys.898.46917
Figure 1 Distribution of Antrorbis spp. in relation to USGS hydrologic units: regions (HU2, shaded areas), basins (HU6, solid black lines), and subbasins (HU8, solid grey lines; unlabeled in map). Antrorbis breweri occurs within the Upper Coosa subbasin of the South Atlantic-Gulf region, whereas A. tennesseensis and Antrorbis cf. tennesseensis occurs in the Watts Bar Lake and Lower Clinch subbasins within the Upper Tennessee basin (Tennessee region), respectively.
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