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76 results for “Chilodontidae”
Fig. 2 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 2. Shell microsculpture in the Chilodontidae: (A) vermiform spiral threads between axial pliculae on first teleoconch whorl of Ascetostoma providentiae (Melvill, 1909), off Dog Point, KZN, bar = 100 µm (NMSA E1743); (B) scratch-like adult microsculpture of Perrinia angulifera (A. Adams, 1853), off Boteler Point, KZN, bar = 50 μm (NMSA E1762); (C) crisp, granular microsculpture between axial pliculae on first teleoconch whorl of Vaceuchelus jayorum sp. n., Réunion, bar = 25 μm (paratype, M. Jay coll'n, MNHN 24810).
Fig. 1 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 1. Protoconch morphology in the Chilodontidae: (A) Perrinia konos (Barnard, 1964), exsert protoconch with little superficial sculpture, off Umzinto, KZN (NMSA D5426); (B) Clypeostoma salpinx (Barnard, 1964), exsert protoconch with beak-like projection on terminal lip, off Whale Rock, Eastern Cape (NMSA E289); (C) Granata sulcifera (Lamarck, 1822), protoconch with beak-like projection on terminal lip, Mtwalume, KZN (NMSA B8666); (D) Ascetostoma providentiae (Melvill, 1909), protoconch with widely spaced spiral threads and oblique axial lines in the intervals, off Dog Point, KZN (NMSA E1743); (E) Herpetopoma serratocinctum sp. n., protoconch with close-set axial sculpture, Kilifi, Kenya (paratype, NMSA L8270/T2641); (F) Vaceuchelus jayorum sp. n., protoconch with coarse axial sculpture, Réunion (paratype, M. Jay coll'n, MNHN 24810). All bars = 100 µm.
Fig. 57 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 57. Distribution of Perrinia konos. Each triangle represents one or more records.
Fig. 20 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 20. Distribution of Ascetostoma providentiae. Each triangle represents one or more records.
Fig. 44 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 44. Distribution of Vaceuchelus gemmula. Each triangle represents one or more records.
Fig. 34 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 34. Distribution of Herpetopoma helix. Each triangle represents one or more records.
FIGURE 2 in Caenotropus schizodon, a new chilodontid fish from the Rio Tapajós drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae)
FIGURE 2. Caenotropus schizodon, SEM of bifid premaxillary teeth, MCP 30101, 81.84 mm SL, Rio Peixoto de Azevedo, Mato Grosso. Brazil.
FIGURE 1. Caenotropus schizodon n in Caenotropus schizodon, a new chilodontid fish from the Rio Tapajós drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae)
FIGURE 1. Caenotropus schizodon n. sp., holotype, MCP 29971, 71.53 mm SL, Rio Arinos, Mato Grosso, Brazil.
FIGURE 4 in Caenotropus schizodon, a new chilodontid fish from the Rio Tapajós drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae)
FIGURE 4. Cladogram of the most parsimonious hypothesis of phylogenetic relationships of Caenotropus species. Numbered synapomorphies correspond to those of Vari et al. (1995). See text for additional information. Additional character: S, bifid teeth.
FIGURE 3 in Caenotropus schizodon, a new chilodontid fish from the Rio Tapajós drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae)
FIGURE 3. Caenotropus schizodon, upper jaw showing functional and replacement teeth (mesial view) in a stained specimen, MCP 16953, 48.86 mm SL, Rio Tapajós, Amazonas.
Fig. 50 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 50. Vaceuchelus semilugubris (Deshayes, 1863): (A, B) lectotype (here designated) of Turbo semilugubris Deshayes, 1863, diameter 3.05 mm (MNHN); (C, D) fresh mature specimen, diameter 2.9 mm (M. Jay coll'n, MNHN); (E) finely sculptured specimen, diameter 2.7 mm (M. Jay coll'n, MNHN); (F) finely sculptured specimen almost devoid of black markings, diameter 2.6 mm (M. Jay coll'n, MNHN); (G, H) large, heavily patterned subadult specimen with immature lip and coarse sculpture, diameter 3.1 mm (M. Jay coll'n, MNHN). All specimens from Réunion, but not further localised.
Fig. 42 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 42. Vaceuchelus gemmula (Turton, 1932): (A) lectotype of Euchelus gemmula Turton, 1932, diameter 3.7 mm (OXUM); (B, C) live collected specimen, off Kwelera River, East London, South Africa, diameter 3.8 mm (NMSA S6100).
Fig. 47 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 47. Vaceuchelus natalensis (Smith, 1906): (A–C) lectotype of Euchelus natalensis Smith, 1906, diameter 2.9 mm (NMSA T522/1208); (D–G) Widenham, KZN, living, under rocks at LST, diameter 2.9 mm (NMSA W7462); (H–I) elevated specimen, off Umzinto, KZN, living, -84 m, diameter 2.9 mm (NMSA D5428).
Fig. 43 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 43. Vaceuchelus gemmula (Turton, 1932), off N'tafufu River, Eastern Cape (NMSA E240): (A) apical whorls showing widely spaced axial pliculae on first whorl, bar = 250 µm; (B) adult microsculpture, bar = 200 µm; (C) protoconch, bar = 200 µm.
Fig. 9 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 9. Clypeostoma reticulatum sp. n., Almirante Leite Knolls, Mozambique Channel: (A, B) holotype, length 16. 4 mm (MNHN); (C, D) paratype, length 16. 3 mm (MNHN).
Fig. 41 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 41. Distribution of Vaceuchelus cretaceus. Each triangle represents one or more records.
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