Authors Year Title
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;
House, Feist & Korn 2000 The Middle/Upper Devonian boundary GSSP at Puech de la Suque, Southern France.
Courier Forschungsinstitut Senckenberg, 225: 49-58, 5 figs., Frankfurt.