Fig. 8. Chondrenchelyid dental elements. A, B. Chondrenchelys problematica Traquair, 1888 in Chondrichthyan remains from the Lower Carboniferous of Muhua, southern China

Fig. 8. Chondrenchelyid dental elements. A, B. Chondrenchelys problematica Traquair, 1888, from the lower Viséan of Glencartholm, Dumfriesshire, Scotland. A. Anterior part of NMS 2002.68.1, showing a jaw with two well preserved posterior tooth−plates and remnants of anterior plates. B. Tooth plates of BGS−GSE 13328. Abbreviations: a, anterior plates; upr, right upper posterior plate; lpr, right lower posterior plate; lpl, left lower posterior plate. C. Computer−generated restoration of the upper (?) dentition in Chondrenchelys sp. from MH−1; anterior to the right, not to scale. D. Harpagofututor volsellorhinus Lund, 1982, from the Serpukhovian of Bear Gulch, Montana, upper posterior plate of CM 27324b (from Lund 1982). E. Anterior tooth plate of Chondrenchelys sp. (PKUM02−0160) from MH−1.