Family
Trematidae Schuchert, 1893
Selection of related publications
Holmer, L. E.,  Popov, L. E. 2000. Class Lingulata.  Treatise on Invertebrate Paleontology, part H Brachiopoda, pp. 30-146. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Linguliformea | 
| Class | Lingulata | 
| Order | Lingulida | 
| Superfamily | Discinoidea | 
| Family | Discinidae | 
| Trematidae | |
| Genus | Schizocrania | 
| Trematis | 
 See also