Taxon - Links and literature
Štorch P. (2023): Graptolite biostratigraphy and biodiversity dynamics in the Silurian System of the Prague Synform (Barrandian area, Czech Republic), Bulletin of Geosciences 98(1), 1–78 [as Cyrtograptus perneri Bouček]
Štorch P. (2023): Graptolite biostratigraphy and biodiversity dynamics in the Silurian System of the Prague Synform (Barrandian area, Czech Republic), Bulletin of Geosciences 98(1), 1–78 [as Cyrtograptus perneri Bouček]