Waagen, 1883
Punctate articulate brachiopods with functional pedicle, delthyrium more or less closed by deltidial plates or some similar structure; adult loop highly variable but basically centronelliform, terebratuliform, terebratelliform, or some derivative of one of these plans, and arising from cardinalia, or in part from median septum; dental plates present or absent; lophophore trocholophous, schizolophous, ptycholophous, spirolophous, or plectolophous; mantle canals with 2 or 4 main trunks in each mantle; small internal calcareous spicules in some families.
Source: Moore, 1965.
The following taxa that belong to this order occur in this region:
Suborder Terebratellidina
Superfamily Terebratellacea
Family Dallinidae
Subfamily Dallininae
Genus Dallina
Genus Glaciarcula
Genus Macandrevia
Family Megathirididae
Genus Argyrotheca
Genus Gwynia
Family Platidiidae
Genus Platidia
Suborder Terebratulidina
Superfamily Terebratulacea
Family Cancellothyrididae
Subfamily Cancellothyridinae
Genus Terebratulina
Argyrotheca cistellula
Dallina septigera
Glaciarcula spitzbergensis
Gwynia capsula
Macandrevia cranium
Platidia anomioides
Terebratulina retusa