| Atrypida Temporal range: Middle Ordovician–Frasnian PreꞒ Ꞓ O S D C P T J K Pg N | |
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| Atrypa reticularis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Class: | Rhynchonellata |
| Order: | †Atrypida |
| Families | |
Atrypida is an extinct order of rhynchonelliform brachiopods. They first appeared in middle Ordovician and survived the Ordovician-Silurian extinction, becoming the dominant brachiopods of the Silurian alongside the order Pentamerida. They would survive into the Late Devonian before going extinct at the end of the Frasnian (Late Devonian).
References
- Baarli, B. Gudveig; Huang, Bing; Maroja, Luna S. (2022). "Phylogeny of the Ordovician and Silurian members of the order Atrypida". Journal of Systematic Palaeontology. 20 (1). Bibcode:2022JSPal..2045920G. doi:10.1080/14772019.2022.2145920.
- ^ Mottequin, Bernard (2008). "Late Middle to Late Frasnian Atrypida, Pentamerida, and Terebratulida (Brachiopoda) from the Namur–Dinant Basin (Belgium)". Geobios. 41 (4): 493. Bibcode:2008Geobi..41..493M. doi:10.1016/j.geobios.2007.10.008.
- Huang, Bing; Jin, Jisuo; Rong, Jia-Yu (15 March 2018). "Post-extinction diversification patterns of brachiopods in the early–middle Llandovery, Silurian". Palaeogeography, Palaeoclimatology, Palaeoecology. 493: 11–19. Bibcode:2018PPP...493...11H. doi:10.1016/j.palaeo.2017.12.025. Retrieved 23 November 2022.
- Baarli, B. Gudveig (January 2021). "Plectatrypinae and other ribbed atrypides succeeding the end Ordovician extinction event, Central Oslo Region, Norway". Journal of Paleontology. 95 (1): 75–105. Bibcode:2021JPal...95...75B. doi:10.1017/jpa.2020.69. ISSN 0022-3360.
| Taxon identifiers | |
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| Atrypida | |
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