Taxonomy of fossil fishes compiled from multiple sources:
Bardack, D. & Richardson, E. S., Jr. 1977. New agnathous fishes from the Pennsylvanian of Illinois. Fieldiana, Geology 33(26):489-510. http://doi.org/10.5962/bhl.title.5167
Bardack, D. and Zangerl, R., 1968. First fossil lamprey: a record from the Pennsylvanian of Illinois. Science, 162(3859), pp.1265-1267. http://doi.org/10.1126/science.162.3859.1265
Denison, R.H., 1967. Ordovician vertebrates from western United States. Fieldiana, Geology 16(6):131-192. http://doi.org/10.5962/bhl.title.5321
Denison, R.H., 1970. Revised classification of Pteraspididae with description of new forms from Wyoming. Fieldiana, Geology 20(1):1-41. https://doi.org/10.5962/bhl.title.3330
Dineley, D.L., 1964. New specimens of Traquairaspis from Canada. Palaeontology 7:210–219.
Dineley, D. L. and Loeffler, E. J. 1976. Osctracoderm faunas of the Delorme and associated Siluro-Devonian formations, North West Territories, Canada. Spec. Pap. Paleont. 18:1-214.
Dzik, J. and Moskalenko, T.A., 2016. Problematic scale-like fossils from the Ordovician of Siberia with possible affinities to vertebrates. Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen, pp.251-260. http://doi.org/10.1127/njgpa/2016/0553
Janvier, P. and Lund, R., 1983. Hardistiella montanensis n. gen. et sp.(Petromyzontida) from the Lower Carboniferous of Montana, with remarks on the affinities of the lampreys. Journal of vertebrate Paleontology, 2(4), pp.407-413. http://doi.org/10.1080/02724634.1983.10011943
Märss, T., 2019. Silurian cyathaspidid heterostracans of Northern Eurasia. Estonian Journal of Earth Sciences, 68(3), pp.113-146. https://doi.org/10.3176/earth.2019.11
Märss, T. and Karatajūte-Talimaa, V., 2009. Late Silurian-Early Devonian tessellated heterostraean Oniscolepis Pander, 1856 from the East Baltic and North Timan. Estonian Journal of Earth Sciences, 58(1). http://doi.org/10.3176/EARTH.2009.1.05
Paleobiology Database, PBDB, accessed at https://paleobiodb.org
Shu, D.G., Luo, H.L., Conway Morris, S., Zhang, X.L., Hu, S.X., Chen, L., Han, J.I.A.N., Zhu, M., Li, Y. and Chen, L.Z., 1999. Lower Cambrian vertebrates from south China. Nature, 402(6757), pp.42-46. http://doi.org/10.1038/46965
Tarlo, L. B. H. 1964. Psammosteiformes (Agnatha). 1 General part. Palaeontologia Polonica 13:1-135.
Tarrant, P.R., 1991. The ostracoderm Phialaspis from the Lower Devonian of the Welsh Borderland and South Wales. Palaeontology 34:399–438.
Van der Laan, R., 2018. Family-group names of fossil fishes. European Journal of Taxonomy, (466). http://doi.org/10.5852/ejt.2018.466
WoRMS Editorial Board (2020). World Register of Marine Species. Available from http://www.marinespecies.org at VLIZ. https://doi.org/10.14284/170
Zarling, A., 2017. Phenotypic trajectories during the evolution of hybrid lineages: the case of Oophaga histrionica and Oophaga lehmanni. Thesis, Universidad de los Andes, Colombia. http://doi.org/10.1038/nature0473