Orders
1
Arthrodira
3
Athyridida
3
Atrypida
1
Auloporida
1
Cardiidia
3
Ctenostomata
3
Cystoporata
11
Euomphalina
4
Glyptocystitida
3
Lingulida
15
Monobathrida
1
NA
6
Nucleocrinida
5
Oncocerida
1
Orthotetida
1
Petalodontiformes
3
Phacopida
1
Pholadomyoida
1
Ptyctodontida
5
Rhynchonellida
1
Rynchonellida
9
Spiriferida
3
Spiriferinida
1
Stauriida
2
Strophomenida
4
Terebratulida
1
Trepostomata
1
Tropidoleptida