Phylum Brachiopoda Duméril, 1806 - brachiopods
Subphylum Rhynchonelliformea Williams et al., 1996
Class Rhynchonellata Williams et al., 1996
Order Terebratulida Waagen, 1883
Suborder Terebratulidina Waagen, 1883
Superfamily †Loboidothyridoidea Makridin, 1964
01 Family †Loboidothyrididae Makridin, 1964
02 Family †Plectoconchidae Dagys, 1974
03 Family †Triadithyrididae (Pearson, 1977)
04 Family †Boreiothyrididae Dagys, 1968
05 Family †Cheirothyropsidae Cooper, 1983
06 Family †Cheniothyrididae Muir-Wood, 1965
07 Family †Dictyothyrididae (Makridin, 1964)
08 Family †Dienopidae Cooper, 1983
09 Family †Hesperithyrididae Cooper, 1983
10 Family †Lissajousithyrididae Cooper, 1983
11 Family †Lobothyrididae Makridin, 1964
12 Family †Muirwoodellidae Tchorzhevsky, 1974
13 Family †Postepithyrididae Tchorzhevsky, 1974
14 Family †Tchegemthyrididae
15 Family †Tegulithyrididae Muir-Wood, 1965
16 Family †Alabushevothyrididae Smirnova, 1994
17 Family †Clathrithyrididae Smirnova, 1974
18 Family †Harpotothyrididae Smirnova, 1990
19 Family †Mametothyrididae Smirnova & Lee, 2006
20 Family †Spasskothyrididae Smirnova, 1977
21 Family †Trigonithyrididae Radulovic, 1986