Check-lists
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Links and literature
[1] Chlupáč I., Turek V. (1983): Devonian goniatites from the Barrandian area, Czechoslovakia, Academia, Ústřední ústav geologický, 159 pp [as Agoniatites (Agoniatites) annulatus (Maurer, 1876)]
Chlupáč I., Turek V. (1983): Devonian goniatites from the Barrandian area, Czechoslovakia, Academia, Ústřední ústav geologický, 159 pp [as Agoniatites (Agoniatites) annulatus (Maurer, 1876)]