Authors Year Title
Dzik 2002 Emergence and collapse of the Frasnian conodont and ammonoid communities in the Holy Cross Mountains, Poland.
Acta Palaeontologica Polonica, 47: 565-650, 57 fig., 7 tab., Warszawa.
House, Kirchgasser & Price 1985 Goniatites from Frasnian (Upper Devonian) and adjacent strata of the Montagne Noire. [M.R.House, W.Kirchgasser, J.D.Price & Wade].
Herzynica, 1: 1-19, fig.1-14, pl.1-3;