Westoll, T. Stanley.
(New York : [American Museum of Natural History], 1944)
"A group of late Carboniferous actinopterygian fishes is described and referred to the genera Haplolepis Miller, 1892 (syn. Mecolepis Newberry, 1856, Eurylepis Newberry, 1857 - both preoccupied), and Pyritocephalus Fritsch, ...