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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.
FIGURE 14 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 14. "Cirsotrema" strebeli, radula and jaw. Specimen from off Tierra del Fuego (same specimen as in Fig. 12E, I: MACN-In 40396). A–C. Radula. A. Half radular field. B. Inner teeth. C. Cusps of intermediate teeth. D, E. Jaw. D. Anterior inner surface. E. Detail of plates. Scale bars: A = 50 µm, B, C = 10 µm, D = 20 µm, E = 5 µm.
FIGURE 13 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 13. "Cirsotrema" strebeli new species, shell and operculum. A, F. Holotype (MACN-In 40393). F. Detail of teleoconch sculpture at last whorl. B–E, H, I. Specimens from off Tierra del Fuego (MACN-In 40396). I. Detail of operculum sculpture. G. Specimen from Cabo San Pío (MLP-Ma 14174). Scale bars: A, B = 1 mm; C, F = 500 µm; D, E = 200 µm; G = 2 mm; H = 5 mm; I = 20 µm.
FIGURE 12 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 12. "Cirsotrema" ctenodentatum, radula and jaw. A–D. Holotype (same specimen as in Fig. 10A: MACN-In 40401). E. Specimen from off Tierra del Fuego (MACN-In 40403). A–C. Radula. A. Half radular field. B. Outer teeth. C. Cusps of intermediate teeth. D, E. Jaw. D. Anterior inner surface. E. Detail of plates. Scale bars: A = 50 µm; B = 20 µm; C, D = 10 µm; E = 5 µm.
FIGURE 8 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 8. "Cirsotrema" magellanicum (Philippi, 1845), shell and operculum. A. Syntype of Scalaria magellanica var. latecostata (SMNH Type-6045). B. Lectotype of Scalaria magellanica magellanica, herein designated (ZMB 2574). C, D, G, K, L. Specimen from off Tierra del Fuego (MACN-In 25028). E. Specimen from Cabo San Pío (MLP-Ma 14175). F, I, J. Specimens from off Santa Cruz Province (MACN-In 40400). H. Specimen from off Río de la Plata (MACN-In 25676). J. Detail of operculum sculpture. K, L. Details of teleoconch sculpture at last whorl. Scale bars: A, B, F = 10 mm; C, E, G, H = 5 mm; D, L = 500 µm; I, K = 1 mm; J = 20 µm.
FIGURE 7 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 7. Epitonium evanidstriatum, radula and jaw. Paratype (same specimen as Fig. 6H, I, L: MACN-In 40382). A–C. Radula: A. Central field. B. Outer teeth. C. Detail of cusps of intermediate teeth. D, E. Jaw. D. Anterior inner surface; E. Detail of marginal denticles. Scale bars: A = 10 µm; B = 20 µm; C, D = 5 µm; E = 1 µm.
FIGURE 9 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 9. "Cirsotrema" magellanicum, radula and jaw. Specimens from off Santa Cruz (A, B, E same specimen as in Fig. 8F; C, D, F same specimen as in Fig. 8I, K) (MACN-In 40400). A–E. Radula. A. Central field. B. Inner teeth. C. Cusps of intermediate teeth. D. Outer teeth. E. Intermediate teeth. F. Jaw margin. Scale bars: A, B = 50 µm; C, E = 20 µm; D = 100 µm, F = 10 µm.
FIGURE 10 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 10. "Cirsotrema" georgeanum new name, shell. A. Syntype of Epitonium fenestratum (SMNH type-918). B, C. Syntype of Epitonium fenestratum (ZMH 3139). C. Detail of teleoconch sculpture at the suture. Scale bars: A, B = 10 mm; C = 2 mm.
FIGURE 5 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 5. Epitonium striatellum (Nyst, 1871), shell. A. Original illustration of Scalaria tenuistriata (d'Orbigny, 1842: pl. 54, fig. 6). B, D–I. Specimens from La Mar Grande (MACN-In 40377). C. Specimen from 40°54'00.0''S 65°06'43.1''W (MACN-In 40378). H. Detail of fourth and fifth whorls. I. Detail of teleoconch sculpture at last whorl. Scale bars: B, E, F = 10 mm; C = 1 mm; D = 500 µm; E = 2 mm; G = 5 mm; H = 500 µm; I = 200 µm.
FIGURE 4 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 4. Epitonium fabrizioi, radula and jaw. A, D, E. Specimens from Punta Cuevas (A same specimen as Fig. 3C) (MACN-In 40375). B, C. Specimen from Las Grutas (same specimen as Fig. 3E, F: MACN-In 40367). A–C. Radula. A. Detail of half field of radula. B. Intermediate teeth. C. Detail of cusps. D, E. Jaw. D. Anterior margin. E. Detail of marginal denticles. Scale bars: A = 100 µm; B = 20 µm; C, D = 10 µm; E = 2 µm.
FIGURE 1 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 1. Epitonium georgettinum (Kiener, 1838), shell and operculum. A. Syntype of Scalaria georgettina (NHMG Inve 75290). B. Syntype of Scalaria elegans (NHMUK 1854.12.4.358). C, H. Specimens from La Mar Grande (MACN-In 40360). D–E. Specimens from Bahía San Blas (MACN-In 20265). F, G, K. Specimen from Puerto Quequén (MACN-In 18676). G. Detail of protoconch sculpture, K. Detail of teleoconch sculpture at last whorl. I, J, L. Specimen from Playas Doradas (MACN- In 40365). L. Detail of operculum sculpture. Scale bars: A–C, H, I = 10 mm; D, K = 500 µm; E = 200 µm; F = 2 mm; G = 50 µm; J = 1 mm; L = 20 µm.
FIGURE 6. A–L in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 6. A–L. Epitonium evanidstriatum new species, shell and operculum. A, B. Holotype (MACN-In 40380). C, D, F, G, J. Specimens from 40°56'27.2'S 65°07'58.2''W (MACN-In 40387). E, K. Paratype (MACN-In 40381). H, I, L. Paratype (MACN-In 40382). I. Detail of protoconch sculpture. J, K. Detail of teleoconch sculpture between second and third whorls (J) and last two whorls (K); L. Detail of operculum sculpture. M. Lectotype of Scala apiculata (USNM 94890). Scale bars: A–C, E, M = 2 mm; D, G, J = 200 µm; F, H, K = 1 mm; I = 5 µm; L = 20 µm.
FIGURE 11 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 11. "Cirsotrema" ctenodentatum new species, shell and operculum. A, G, I. Holotype (MACN-In 40401). G. Detail of teleoconch sculpture at last whorl. B, H. Specimens from off Tierra del Fuego (MACN-In 24975). C, E. Specimen from off Tierra del Fuego (MACN-In 22614). D, F. Paratype (MACN-In 40402). J. Detail of operculum sculpture, specimen from off Tierra del Fuego (MACN-In 40403). Scale bars: A = 2 mm; B, C, E, H = 5 mm; D = 200 µm; F, G, I = 1 mm; J = 50 µm.
FIGURE 3 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 3. Epitonium fabrizioi Pastorino & Penchaszadeh, 1998, shell and operculum. A. Holotype (MLP-Ma 5402). B. Specimen from Puerto Madryn (MACN-In 9171-22). C, D, G, H, K. Specimens from Punta Cuevas (MACN-In 40375). K. Detail of operculum sculpture. E, F. Specimen from Las Grutas (MACN-In 40367). I, J. Specimen from Puerto Lobos (MACN- In 40374). J. Detail of teleoconch sculpture at last whorl. Scale bars: A–C, E, F, I = 5 mm; D, H = 2 mm; G, J = 500 µm; K = 20 µm.
FIGURE 2 in Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic
FIGURE 2. Epitonium georgettinum, radula and jaw. A, B, E. Specimen from off Mar del Plata, with "blade-like" ribs (MACN-In 12211). C, D, F. Specimen from Playas Doradas with "cord-like" ribs (same specimen as Fig. 1I: MACN-In 40365). A–D. Radula. A. Half radular field. B, C. Intermediate teeth. D. Detail of teeth of central field. E, F. Jaw. E. Anterior margin. F. Detail of marginal denticles. Scale bars: A = 100 µm; B, C, E = 20 µm; D = 50 µm; F = 10 µm.
FIGURAS 1-7 in A New Species Of Suturoglypta From Colombia (Caenogastropoda, Columbellidae)
FIGURAS 1-7. Suturoglypta procera shell of some types: 1-2) Holotype, INV MOL2672, frontal and dorsal views, length = 15.71 mm; 3-6) MZSP 64449, length = 13.1 mm; 3) frontal view; 4) same in SEM; 5) detail of aperture, frontal-slightly oblique view; 6) apex, with protoconch in profile; 7) paratype INV MOL5478, frontal view, length = 16.13 mm.
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