@article{Frau2023,
  author    = {Camille Frau},
  title     = {The systematic affinities between the Lower Cretaceous Ammonoidea Protacanthoplites abichi (Anthula, 1900) and Acanthohoplites aschiltaensis (Anthula, 1900)},
  journal   = {European journal of taxonomy},
  volume    = {2023},
  number    = {888},
  pages     = {137 -- 158},
  doi       = {10.5852/ejt.2023.888.2237},
  year      = {2023},
}