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 Author Tekin, Kagan Author Krystyn, Leopold Author Okuyucu, Cengiz Author Bedi, Yavuz Author Sayit, Kaan text Geodiversitas 2020 2020-11-26 42 27 493 537 journal article 10.5252/geodiversitas2020v42a27 20141273-3452-4388-b6a8-aab9193c87fe 1638-9395 4447758 urn:lsid:zoobank.org:pub:1A437774-B5BE-49F2-8DEF-D46F2790484A Cyclastrum scammonense Whalen & Carter, 2002 ( Fig. 7S, T ) Cyclastrum scammonense Whalen & Carter, 2002: 111 , pl. 4, figs 3-5, 11-13, 15; pl. 5, figs 1-2, 9. — Goričan et al. 2006: 130-131 , pl. CYC02, figs 1-4. ? Orbiculiforma silicatilis Cordey, 1998: 93 , pl. 21, fig. 7, non figs 5, 8. OCCURRENCE. — Lower Jurassic, lower Pliensbachian-Middle Jurassic, Aalenian of Baja California Sur , Mexico ; Guwayza Formation, Oman ; Mersin Mélange, NW of Mersin city, southern Turkey .