Figure 7. (1–13) Clarkina transcaucasica Gullo and Kozur, 1992: (1) holotype, from Achura in Kozur (1975); (2–13) from sample L-202 at Dukou Section, NIGP166092–166097. (14–27) Clarkina longicuspidata Mei and Wardlaw in Mei et al., 1994a: (14) holotype, NIGP121717, (15) NIGP121718, all from sampleQT-67 at Nanjiang Section; (16–27) from sample L-219 at Dukou Section, NIGP166098–166103.