Temporal range: Permian
The genus name is a tribute to David Leigh Clark.
Clarkina Jordan & Evermann, 1927 is a junior synonym for the cyprinid fish genus Mylocheilus Agassiz, 1855.
Use in stratigraphy
The top of the Wuchiapingian (or the base of the Changhsingian) is defined as the place in the stratigraphic record where the conodont species Clarkina wangi first appears. The global reference section is profile D at Meishan, in the type area in Changxing.
- Age and paleoecology of the conodont Clarkina changxingensis (Wang & Wang). Heinz Kozur, January 1992
- Kozur, Cour Forschungsinst Senckenb, 1990, volume 117, page 414
- Guadalupian (Middle Permian) Conodonts of Sponge-Bearing Limestones from the Margins of the Delaware Basin, West Texas. Kozur H. and Mostler H., Geologia Croatica, 1995, 48(2), pages 107-128 (abstract, retrieved 08 June 2016)
- Palaeoecology of the conodonts Hindeodus and Clarkina during the Permian–Triassic transitional period. Xulong Lai, Paul Wignall and Kexin Zhang, Palaeogeography, Palaeoclimatology, Palaeoecology, Volume 171, Issues 1–2, 1 July 2001, Pages 63–72, doi:10.1016/S0031-0182(01)00269-3