Taxon - Links and literature
Ebbestad J. O. R., Lefebvre B. (2015): An unusual onychochilid mollusc from the Ordovician (Tremadocian) Fezouata Formation, Morocco, Geobios 48, 427–43 [as Laeogyra alta Hynda, 1986]
Frýda J., Rohr D. M. (1999): Taxonomy and paleobiogeography of the Ordovician Clisospiridae and Onychochilidae (Mollusca), Acta Universitatis Carolinae - Geologica 43(1/2) [as Laeogyra alta Hynda, 1986]