1988, Jost Wiedmann and Jürgen Kullmann eds., Cephalopods Present and Past: Otto Schindewolf Symposium, Tübingen 1985, page 20The Bathmoceratidae are largely straight shells of Whiterock age, first known from the Šarka (pronounced Sharka from a hatchek over the Š).
1991, Peter Hugh Reed, American Record Guide LIV:ii, page 69The printer had no hatchek…to put over Dvořak’s R. So somebody laboriously inked in all the hatcheks.
2001, Felix K. Ameka, “Ideophones and the nature of the adjective word class in Ewe†in Typological Studies in Language XLIV: Ideophones, eds. Friedrich Karl Erhard Voeltz and Christa Kilian-Hatz, page 46, endnote 2The hatchek marks a rising tone.
