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121 results for “Santonian”
Fig. 8 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim
Fig. 8. Scanning electron micrographs of Late Cretaceous (Early Campanian) radiolarians from siliceous rocks of the Russian Pacific Rim (western Kamchatka, locality Palana, sample134/01). A. Phaseliforma subcarinata Pessagno, 1975, GIN N 134/01−R3. B, C. Lithomespilus aff. coronatus Squinabol, 1904. B. GIN N 134/01−R5a. C. GIN N 134/01−R5b. D, E, J. Protoxiphotractus perplexus Pessagno, 1973. D. GIN N 134/01−R−8a. E. GIN N 134/01−R8b. J. GIN N 134/01−R5c. F. Protoxiphotractus? sp., GIN N 134/01−R8. G. Stylosphaera hastata (Campbell and Clark, 1944); GIN N 134/01−R4. H. Protoxiphotractus kirbui Pessagno, 1973; GIN N 134/01− R6. I, K. Cornutella californica Campbell and Clark, 1944. I. GIN N 134/01−R11a. K. GIN N 134/01−R11b. L. Coniforma antiochensis Pessagno, 1969, GIN N 134/01−R−10. M. Stichomitra livermorensis (Campbell and Clark, 1944), GIN N 134/01−R15. N. Amphipyndax stocki (Campbell and Clark, 1944), GIN N 134/01−R17. O. Theocapsomma sp., GIN N 134/01−R12.
Fig. 4 in Volgian and Santonian-Campanian radiolarian events of the Russian Arctic and Pacific Rim
Fig. 4. Scanning electron micrographs of Late Jurassic radiolarians from siliceous clay rocks in northern Russia, Barents offshore. Sample 234, Middle Volgian (Dorsoplanites panderi Ammonite Zone) of the Pesha River Basin, borehole 234 (A–C, E–G, I–T). Sample G2, Late Volgian (Craspedites subditus Ammonite Zone) of the Uljanovsk Volga Basin, species from siliceous clay rocks in northern Russia, section Gorogische (D, H). A. Pentalastrum sp., GIN N 234−R−15. B. Praeconocaryomma hexagona (Rüst, 1898), GIN N 234−R10. C. Stylartus sp., GIN N 234−R12. D. Stichocapsa devorata arctica Vishnevskaya and Murchey, 2002, GIN N G−2−R1−3. E, F. Hagiastridae. E. GIN N 234−R11a. F. GIN N 234−R11b. G. Orbiculiforma? retuza (Kozlova, 1971), GIN N 234−R13. H. Spinicingula ceratina Kozlova and Vishnevskaya sp. nov., GIN N G−2−R1−5b. I. Praeparvicingula aff. sencilla Hull, 1995, GIN N 234−R21. J, M. Parvicingula cf. jonesi Pessagno, 1977. J. GIN N 234−R18b. M. GIN N 234−R18c. K. Parvicingula jonesi Pessagno, 1977, GIN N 234−R18a. L. Parvicingula blowi Pessagno, 1977, GIN N 234−R16. N. Parvicingula cf. grantensis Pessagno and Whalen, 1982, GIN N 234−R19b. O. Praeparvicingula holdsworthi (Yang, 1993), GIN N 234−R17. P. Parvicingula cf. obstinata Hull, 1995, GIN N 234−R23b. Q. Stichocapsa sp., GIN N 234−R27. R. Parvicingula rothwelli Pessago, 1977, GIN N 234−R24. S. Praeparvicingula rotunda Hull, 1995, GIN N 234−R25. T. Parvicingula alata Kozlova and Vishnevskaya sp. nov., GIN N 234−R1−2.
FIG. 1. — A in Bivalves (Mollusca) from the Coniacian-Santonian Anguille Formation from Cap Esterias, Northern Gabon, with notes on paleoecology and paleobiogeography
FIG. 1. — A, Location map of Gabon and Cap Estréias; B, geological map of north Gabonese coastal basin; C, lithostratigraphy of the 'Cap Estérias' section. Geological map after Lanau (1985).
FIG. 4. — A, Q in Bivalves (Mollusca) from the Coniacian-Santonian Anguille Formation from Cap Esterias, Northern Gabon, with notes on paleoecology and paleobiogeography
FIG. 4. — A, Q, Granocardium? sp. 2; B, Acanthocardia cf. denticulata (Baily, 1855); C, Granocardium productum (Sowerby, 1832); D, Granocardium sp. 1; E, Protocardia? sp.; F, H, L, P, Agelasina plenodonta Riedel, 1932; G, J, Protocardia cf. pauli (Coquand, 1862); I, Aphrodina dutrugei (Coquand, 1862); K, Atrina laticostata (Stoliczka, 1871); M, Anofia? sp.; N, Plagiostoma pseudohoernesi (Riedel, 1932); O, Aphrodina gabonensis Dartevelle & Freneix, 1957. Scale bar: 2 cm.
FIG. 3 in Bivalves (Mollusca) from the Coniacian-Santonian Anguille Formation from Cap Esterias, Northern Gabon, with notes on paleoecology and paleobiogeography
FIG. 3. — Palaeobiogeographical distribution of bivalves fauna of 'Cap Estérias' in the Late Cretaceous. Geological map modified after Vrielynck & Bouysse (2003).
FIG. 17 in Turonian-Santonian echinoids from Egypt
FIG. 17. — Camera lucida drawings: A, phyllode and plastron plating in Toxaster dakhlensis n. sp. from the Turonian of Wadi Dakhl; B, C, Mecaster turonensis (Fourtau, 1921) from the Turonian of Wadi Dakhl;B, apical disc; C, phyllode and plastron plating; D, E, Mecaster fourneli (Deshayes, 1847) from the Coniacian-Santonian of Wadi Abu Qaada; D, apical disc; E, phyllode and plastron plating; F, phyllode and plastron plating in Mecaster duncani (Fourtau, 1906) n. comb. from the Turonian of Wadi Abu Qaada. Abbreviations: a, first half of the ambulacrum; b, second half of the ambulacrum; f, direction of enlargement of the scrobicules on the sternal plates (indicated by the arrows); V, ambulacrum no. 5. Scale bars: A, C, 2 mm; B, 0.36 mm; D, 0.4 mm; E, 1.4 mm; F, 1.3 mm.
FIG. 12 in Turonian-Santonian echinoids from Egypt
FIG. 12. — Comparison of Coenholectypus roachensis (Fourtau, 1914) n. stat. (filled quadrangles, dashed line) from the Coniacian- Santonian of Abu Roash and Coenholectypus excisus (Desor, 1847) (empty quadrangles, solid line) from the Cenomanian of Saint Paul, north Eastern Desert. The scatter plots show the relation between test length (L) and each of test height (H), width of ambulacrum (Wa), width of interambulacrum (Wi), width of periproct (Wk) and diameter of peristome (Dp).
FIG. 10 in Turonian-Santonian echinoids from Egypt
FIG. 10. — Biometric data on Thylechinus (T.) sinaiensis n. sp. showing the relation between: test diameter and test height (H); test diameter and both of width of ambulacrum (Wa, filled quadrangles, solid line) and width of interambulacrum (Wi, empty quadrangles, dashed line); test diameter and each of number ambulacral tubercles per row (Na, filled quadrangles, solid line) and number of interambulacral tubercles per row (Ni, empty quadrangles, dashed line); test diameter and each of diameter of peristome (Dp, filled quadrangles, solid line) and length of apical system (Ls, empty quadrangles, dashed line).
FIG. 7 in Turonian-Santonian echinoids from Egypt
FIG. 7. — Camera lucida drawings: A, B, plating, tuberculation and poring in Phymosoma baylei (Cotteau, 1864) from the Turonian of Wadi Abu Qaada; A, ambital ambulacral plates; B, ambital interambulacral plate; C, D, plating, tuberculation and poring in Phymosoma beadnelli (Gregory, 1906) from the Coniacian-Santonian of Abu Roash; C, adapical ambulacral plates; D, ambital interambulacral plates; E, F, plating, tuberculation and poring in Phymosoma thevestense (Péron & Gauthier, 1879) from the Coniacian-Santonian of Abu Roash; E, ambital interambulacral plates; F, subambital ambulacral plates; G, plating and tuberculation of ambital interambulacral plates in Rachiosoma irregulare Fourtau, 1921 from the Turonian of Wadi Abu Qaada. Scale bars: A, 0.8 mm; B, 0.9 mm; C, D, 1 mm; E, F, 0.5 mm; G, 0.7 mm.
FIG. 16 in Turonian-Santonian echinoids from Egypt
FIG. 16. — Biometric data on Toxaster dakhlensis n. sp., from the Turonian of Wadi Dakhl, showing the relation between test length (L) and each of test width (W); test height (H); length of petal I or V (LI), and number of pore pairs in petal I or V (NI; filled quadrangles, solid line); and length of petal II or IV (LII), and number of pore pairs in petal II or IV (NII; empty quadrangles, dashed line).
FIG. 6 in Turonian-Santonian echinoids from Egypt
FIG. 6. — Camera lucida drawings: A, B, plating, tuberculation and poring of ambital interambulacral plates (A) and ambital ambulacral plates (B) in Orthopsis miliaris (d'Archiac, 1835) from the Coniacian-Santonian of Abu Roash; C, D, plating, tuberculation and poring of ambital interambulacral plates (C) and ambital ambulacral plates (D) in Orthopsis ovata (Coquand, 1862) from the Turonian of Wadi Abu Qaada; E, F, plating, tuberculation and poring in Phymosoma abbatei (Gauthier, 1898) from the rudist unit of Abu Roash; E, adapical half ambulacrum; F, adoral half interambulacrum and half ambulacrum; G, plating, tuberculation and poring of adapical half ambulacrum in Phymosoma baylei (Cotteau, 1864) from the Turonian of Wadi Abu Qaada. Scale bars: A, 0.4 mm; B, 0.3 mm; C, D, 1 mm; E, F, 0.8 mm; G, 0.4 mm.
FIG. 9 in Turonian-Santonian echinoids from Egypt
FIG. 9. — Camera lucida drawings: A, plating, tuberculation and poring of subambital ambulacrum in Phymosoma thevestense (Péron & Gauthier, 1879) from the Coniacian-Santonian of Abu Roash; B-D, plating, tuberculation and poring in Thylechinus (T.) sinaiensis n. sp. from the Turonian of Wadi Abu Qaada; B, adapical ambulacrum; C, ambital ambulacral plates; D, subambital interambulacral plates; E-G, plating, tuberculation and poring in Thylechinus (O.) quincuncialis Gregory, 1906 from the Turonian of Wadi Abu Qaada; E, ambital interambulacral plate; F, adapical ambulacrum; G, ambital ambulacrum. Scale bars: A, B, 0.5 mm; C, 0.4 mm; D, 0.8 mm; E, 2 mm; F, 0.9 mm; G, 1 mm.
FIG. 13 in Turonian-Santonian echinoids from Egypt
FIG. 13. — Comparison of Petalobrissus djelfensis (Thomas & Gauthier, 1889) from the Coniacian-Santonian of Abu Roash and Wadi Dakhl (filled quadrangles, dashed line) and Petalobrissus waltheri (Gauthier, 1900) from the Coniacian-Santonian of Abu Roash and Wadi Dakhl (empty quadrangles, solid line). The scatter plots show the relation between test length (L) and each of test width (W), test height (H), length of petal I or V (LI), number of pore pairs in petal I or V (NI), length of petal II or IV (LII), number of pore pairs in petal II or IV (NII), length of petal III (LIII), and number of pore pairs in petal III (NIII).
FIG. 1 in Turonian-Santonian echinoids from Egypt
FIG. 1. — Location map showing the localities (�) from which the present material was collected in Egypt.
FIGURE 2 in A new species of the vitismin cockroach genus Perspicuus Koubová, 2020 from the Late Cretaceous (Santonian) of Hungary
FIGURE 2. Perspicuus csincsii sp. n. a) photo of maxillary palp. b) line drawing of maxillary palp. c) photograph of partially preserved antenna. d) line drawing of antennal segments. e) habitus in dorsal view. f) indicated fore leg under the ventral side of the body. g) line drawing of the claws and arolium of the same leg. h) part of hind leg in dorsal aspect. i) line drawing of suggested middle leg in ventral aspect. j) cercus in dorsal aspect. k) line drawing of the cercus. Figures (a) and (b) have no scale bars, as these parts were destroyed during preparation and are no longer available for further examination.
Fig. 1 in Santonian Ammonites from the Blossom Sand in Northeast Texas
Fig. 1. The outcrop of the Blossom Sand in northeast Texas, showing the localities cited in the text.
Fig. 5. Glyptoxoceras ellisoni Young, 1963 in Santonian Ammonites from the Blossom Sand in Northeast Texas
Fig. 5. Glyptoxoceras ellisoni Young, 1963. Holotype, Texas Memorial Museum Collections no. 182, from the Austin Chalk on Brushy Creek, 800 m (0.5 mi) south of Hutto, Williamson County, Texas. All figures are X1.
Fig. 4. Glyptoxoceras texanum, n in Santonian Ammonites from the Blossom Sand in Northeast Texas
Fig. 4. Glyptoxoceras texanum, n. sp. A, B. Paratype USNM 490971; C–E. holotype, USNM 490970. Both specimens are from the Blossom Sand at USGS Mesozoic locality 18120 in Red River County, Texas. Arrows indicate the base of the body chamber. All figures are X1.
FIGURE 1 in A new species of the vitismin cockroach genus Perspicuus Koubová, 2020 from the Late Cretaceous (Santonian) of Hungary
FIGURE 1. Map of Ajka (a) and the Ajka coal seams (b). After Szabó et al. (2022d) — modified.
FIGURE 3 in A new species of the vitismin cockroach genus Perspicuus Koubová, 2020 from the Late Cretaceous (Santonian) of Hungary
FIGURE 3. Artistic reconstruction of Perspicuus csincsii sp. n. (artwork by Márton Szabó).
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