Trigonotretidae is an extinct family of articulate brachiopods belonging to the order Spiriferida.
| Trigonotretidae Temporal range: [1]
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| Fossil of Neospirifer ravana from Greenland, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Class: | Rhynchonellata |
| Order: | †Spiriferida |
| Suborder: | †Spiriferidina |
| Superfamily: | †Spiriferoidea |
| Family: | †Trigonotretidae Schuchert, 1893 |
These stationary epifaunal suspension feeders lived in the Carboniferous and Permian periods, from 360.7 to 252.3 Ma.[1]
Genera
edit- Aperispirifer Waterhouse, 1968
- Betaneospirifer Gatinaud, 1949
- Blasispirifer Kulikov, 1950
- Brachythyrinella
- Cartorhium Cooper and Grant, 1976
- Costatispirifer Archbold and Thomas, 1985
- Crassispirifer Archbold and Thomas, 1985
- Cratispirifer Archbold and Thomas, 1985
- Fasciculatia Waterhouse, 2004
- Frechella
- Fusispirifer Waterhouse, 1966
- Gibbospirifer Waterhouse, 1971
- Gypospirifer Cooper and Grant, 1976
- Imperiospira Archbold and Thomas, 1993
- Kaninospirifer
- Lepidospirifer Cooper and Grant, 1969
- Neospirifer Fredericks, 1919
- Occidalia Archbold, 1997
- Pondospirifer Waterhouse, 1978
- Quadrospira Archbold, 1997
- Saltospirifer Cisterna and Archbold, 2007
- Septospirifer Waterhouse, 1971
- Sulciplica Waterhouse, 1968
- Trigonotreta Koenig, 1825