1. Schultze, H.-P. Morphologische und histologische untersuchungen an schuppen mesozoischer Actinopterygier (übergang von ganoid zu rundschuppen). N. Jb. Geol. Paläont. Abh. 126, 232–314 (1966).
2. Schultze, H.-P. Palaeoniscoidea-schuppen aus dem Unterdevon Australiens und Kansas und aus dem Mitteldevon Spitzbergens. Bull. Br. Mus. nat. Hist. Geol. 16, 343–368 (1968).
3. Wang, N.-Z. Thelodont, acanthodian and chondrichthyan fossils from the Lower Devonian of Southwest China. Proc. Linn. Soc. N.S.W. 107, 419–441 (1984).
4. Schultze, H.-P. Early Devonian actinopterygians (Osteichthyes, Pisces) from Siberia. in Fossil Fishes as Living Animals (ed. Mark-Kurik, E.) 233–242 (Academy of Sciences of Estonia, 1992).
5. Qu, Q.-M., Zhu, M. & Wang, W. Scales and dermal skeletal histology of an early bony fish Psarolepis romeri and their bearing on the evolution of rhombic scales and hard tissues. PloS One 8, e61485,
https://doi.org/10.1371/journal.pone.0061485.g001
(2013).