Agastograptus from the Mulde beds of Gotland

Agastograpths lawsoni (Holland, Rickards et Warren 1969), known previously as Holoretiolites (Balticograptus) lawsoni Holland, Rickards et Warren 1969 from upper Wenlock of Shropshire is described from Mulde Beds of Gotland. A new diagnosis of the species, basing on abundant and well preserved fossils, has been formulated. Former Retiolites balitcus Eisenack is removed from the genus Agastograptus.