World problems

Title
Threatened species of Hexanchiformes
Threatened species of Lophiiformes
Threatened species of Opisthobranchia
Threatened species of Anaspidea
Threatened species of Loricifera
Threatened species of Myliobatiformes
Threatened species of Anthozoa
Threatened species of Octocorallia
Threatened species of Symphyta
Threatened species of Galliformes
Threatened species of Fagales
Threatened species of Sepiida
Extinct species of Belemnitida
Extinct species of Boletzkyida
Threatened species of Teuthida
Threatened species of Octopoda
Threatened species of Vampyromorpha
Extinct species of Phragmoteuthidida
Threatened species of Coleoidea
Threatened species of Palaeoheterodonta
Threatened species of Labyrinthomorpha
Threatened species of Myctophiformes
Threatened species of Elopiformes
Threatened species of Pterioida
Threatened species of Typhales