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Early devonian vertebrate microfossils from the Simpson Park Range, Eureka County, Nevada. Journal of Paleontology, 62(6), 959–964

Wilson, M.V.H. & Hanke, G.F. & Soehn, K.L. (2000)
Diversity and age of the Devonian vertebrate assemblage at MOTH, Mackenzie Mountains, Northwest Territories, Canada. Ichthyolith Issues, Special Publication, 6, 137–141

Hanke, G.F. & Wilson, M.V.H. & Saurette, G.J. (2013)
Partial articulated specimen of the Early Devonian putative chondrichthyan Polymerolepis whitei Karatajūtė-Talimaa, 1968, with an anal fin spine. Geodiversitas, 35(3), 529–543
DOI: 10.5252/g2013n3a2

Turner, S. & Burrow, C.J. & Williams, R.B. & Tarrant, P. (2017)
Welsh Borderland bouillabaisse: Lower Old Red Sandstone fish microfossils and their significance. Proceedings of the Geologists' Association, 128(3), 460–479
DOI: 10.1016/j.pgeola.2017.04.006

Burrow, C.J. & Turner, S. (2018)
Stem chondrichthyan microfossils from the Lower Old Red Sandstone of the Welsh Borderland. Acta Geologica Polonica, 68(3), 321–334
DOI: 10.1515/agp-2018-0010