
Corynexochida
Heliopeltis johnsoni
DevonianMorocco

Phacopida
Devononeseuretus beicht
Early DevonianGermany

Phacopida
Comura bultyncki
Middle DevonianMorocco

Phacopida
Psychopyge elegans
Early DevonianMorocco

Phacopida
Psychopyge hammerorum
Early DevonianMorocco

Phacopida
Psychopyge praestans
Early DevonianMorocco

Phacopida
Psychopyge termierorum
Early DevonianMorocco

Phacopida
Quadrops flexuosa
Early DevonianMorocco

Phacopida
Walliserops hammii
Early DevonianMorocco

Phacopida
Walliserops lindoei
Middle DevonianMorocco

Phacopida
Walliserops tridens
Early DevonianMorocco

Phacopida
Walliserops trifurcatus
Early DevonianMorocco

Phacopida
Walliserops sp.
Early DevonianMorocco

Phacopida
Ductina vietnamica
Middle DevonianGuangxi, Vietnam

Phacopida
Echinophacops mirabilis
Early DevonianInner Mongolia

Phacopida
Eldredgeops rana
Middle DevonianUSA, Canada

Phacopida
Plagiolaria nandanensis
Early DevonianGuangxi

Phacopida
Rhinophacops schizoloma
Early DevonianInner Mongolia; Japan spine.

Lichida
Terataspis grandis
Early Devonian to Middle DevonianUSA, Canada

Odontopleurida
Dicranurus hamatus elegantus
Early DevonianUSA

Odontopleurida
Dicranurus monstrosus
Early DevonianCzech Republic, Morocco