@article{GeyerLandingMeieretal.2023,
  author    = {Gerd Geyer and Ed Landing and Stefan Meier and Stefan H{\"o}hn},
  title     = {Oldest known West Gondwanan graptolite: Ovetograptus? sp. (lower Agdzian/lowest Wuliuan; basal Middle Cambrian) of the Franconian Forest, Germany, and review of pre-Furongian graptolithoids},
  journal   = {Pal{\"a}ontologische Zeitschrift},
  volume    = {97},
  number    = {4},
  doi       = {10.1007/s12542-022-00627-5},
  year      = {2023},
}