Redescription of Barbus megacephalus Guenther, 1876 and Thynnichthys amblyostoma von der Marck, 1876 (Cypriniformes: Cyprinidae) from probable Eocene deposits of Southeast Asia, and an assessment of their taxonomic positions. Journal of Systematic Palaeontology, 17(17), Sep 2 2019: 1213-1235. 1219 [Zoological Record Volume 155]