| Orthidae Temporal range:
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Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Class: | Rhynchonellata |
| Order: | †Orthida |
| Suborder: | †Orthidina |
| Superfamily: | †Orthoidea |
| Family: | †Orthidae Woodward, 1852 |
| Genera | |
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See text | |
The Orthidae are a family of brachiopods that belong in the order Orthida. They range from the Early Ordovician to the Early Devonian. This family includes the genus Orthis, which is the namesake of this family, as well as the order Orthida.
Fossil record
Originated in the Early Ordovician, the Orthids sported high diversity throughout the Ordovician period. In the Early Silurian, their abundance noticeably dropped, but they slowly recovered until their demise at the end of the Lochkovian of the Early Devonian.1
Orthids are known from many regions, including North America, Russia, China, Europe, Australia, and South America. Some genera, such as Paralenorthis, show cosmopolitan distribution.2
Genera
The family consists of the following genera:1
References
References
- Williams, Alwyn; Brunton, C.H.C.; Carlson, S.J.; et al. (1997–2007). Kaesler, Roger L.; Selden, Paul (eds.). Part H, Brachiopoda (Revised). Treatise on Invertebrate Paleontology. Boulder, Colorado; Lawrence, Kansas: Geological Society of America; University of Kansas.
- Reyes-Abril, Jaime; Villas, Enrique; Carlos Gutiérrez-Marco, Juan (2010). "Orthid Brachiopods from the Middle Ordovician of the Central Iberian Zone, Spain". Acta Palaeontologica Polonica. 55 (2): 285–308. doi:10.4202/app.2009.0032. hdl:10261/30627. ISSN 0567-7920.