Classes
2
Anthozoa
2
Bivalvia
6
Blastoidea
5
Cephalopoda
23
Crinoidea
3
Gymnolaemata
3
Lingulata
2
Placodermi
4
Rhombifera
21
Rhynchonellata
3
Rynchonellata
1
Stenolaemata
2
Strophomenata
3
Trilobita