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 Mesosaturnalis artus ( Donofrio & Mostler, 1978 ) ( Fig. 10B, C ) Palaeosaturnalis artus Donofrio & Mostler, 1978: 34 , pl. 7, fig. 11. Acanthocircus sp. A – Yeh 1987a: 49 , pl. 5, fig. 9; pl. 23, fig. 9. Mesosaturnalis artus – Yang & Mizutani 1991: 64 , pl. 3, fig. 10. ? Mesosaturnalis sp. aff. M. artus – Sugiyama 1997: 160 , fig. 45.3. ? Mesosaturnalis sp. aff. M. artus – Carter et al. 1998: 55 , pl. 14, figs 18, 22. OCCURRENCE. — Upper Triassic, upper Norian-Lower Jurassic, upper Pliensbachian of Pötschen, Austria ;East-central Oregon , United States ; northeast China ;? Japan ;? Queen Charlotte Islands, British Columbia , Canada ; Mersin Mélange, NW of Mersin city, southern Turkey .