Lefebvre and Vizcaino 1999

Lefebvre, Bertrand and Vizcaino, Daniel. 1999. New Ordovician cornutes (Echinodermata, Stylophora) from Montagne Noire and Brittany (France) and a revision of the order Cornuta Jaekel 1901. Geobios 32.3. 421-458.

@article{jacquesestimative-lefebvre99cornutes,
  author  = {Lefebvre, Bertrand and Vizcaino, Daniel},
  journal = {Geobios},
  pages   = {421-458},
  title   = {New Ordovician cornutes (Echinodermata, Stylophora) from Montagne Noire and Brittany (France) and a revision of the order Cornuta Jaekel 1901},
  volume  = {32.3},
  year    = {1999}
}