Canoptum columbiaense, Whalen & Carter in Carter, Whalen & Guex, 1998

Tekin, Kagan, Krystyn, Leopold, Okuyucu, Cengiz, Bedi, Yavuz & Sayit, Kaan, 2020, Late Triassic to Early Jurassic radiolarian, conodont and ammonite assemblages from the Tavuscayiri block, Mersin Mélange, southern Turkey: Time constraints for the T / J boundary and sedimentary evolution of the southern margin of the northern Neotethys, Geodiversitas 42 (27), pp. 493-537 : 522

Canoptum columbiaense Whalen & Carter in Carter, Whalen & Guex, 1998 ( Fig. 11P )

Canoptum columbiaense Whalen & Carter in Carter, Whalen & Guex, 1998: 64 , pl. 15, figs 6, 10, 11, 15, 19. — Suzuki et al. 2002: 181, figs 8C-E, J-K. — Tekin 2002a: 189, pl. 4, fig. 5. — Goričan et al. 2006: 86-87, pl. CAN08, fig. 1-9.

Canoptum sp. – Kashiwagi 1998: pl. 2, fig. 12.

OCCURRENCE. — Lower Jurassic, lower Hettangian-lower Upper Pliensbachian of Queen Charlotte Islands, British Columbia, Canada; North Peru; southwest Japan; Antalya Nappes, NE of Antalya city and Mersin Mélange, NW of Mersin city, southern Turkey.

Figures

FIG. 11. — Photomicrographs of the radiolarians from the Orbuklukeli section; A, B, Droltus sp. aff. D. eurasiaticus Kozur & Mostler, 1990, Orbuk-32; C, Droltus hecatensis Pessagno & Whalen, 1982, Orbuk-32; D-F, Droltus laseekensis Pessagno & Whalen, 1982, Orbuk-27; G-J, Trexus dodgensis Whalen & Carter in Carter, Whalen & Guex, 1998; G-H, Orbuk-27; I, J, Orbuk-32; K-O, Canoptum cephalobulbosum Tekin, n. sp.; K, Holotype, Orbuk-15; L-O, Paratypes, Orbuk-15; P, Canoptum columbiaense Whalen & Carter in Carter, Whalen & Guex, 1998, Orbuk-27; Q, Canoptum merum Pessagno & Whalen, 1982, Orbuk-15; R-U, Canoptum productum Tekin, n. sp.; R, Holotype, Orbuk-15; S-U, Paratypes, Orbuk-15; V-X, Canoptum rarum Tekin, n. sp.; V, Holotype, Orbuk-15; W-X, Paratypes, Orbuk-15. Scale bar: A, B, 200 µm; C, P, 120 µm; D-J, 100 µm; K-O, R-X, 80 µm.