Richards, K.R. & Sherwin, J.E. & Smithson, T.R. & Bennion, R.F. & Davies, S.J. & Marshall, J.E.A. & Clack, J.A. (2018)
Diverse and durophagous: Early Carboniferous chondrichthyans from the Scottish Borders. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 108(1), 67–87
DOI: 10.1017/s1755691018000166

Richards, K.R. & Clack, J.A. (2012)
Chondrichthyans in the carboniferous of the british derbyshire peak district [Abstract]. Journal of Vertebrate Paleontology, 32(Suppl. 1), 161
DOI: 10.1080/02724634.2012.10635175