1903  Bresson, p.131-133: Holle valley  exposures with Pronorites cyclolobus, Glyphioceras crenistria, Prolecanites Henslowi and Aganides sp. ? Footnote concerns goniatite from Pic Blanc (West Gavarnie, Hautes Gavarnie, see LOC7251), determined by Delépine & Menchikoff 1937 as Dimorphoceras thalassoide - type species of Delepinoceras.