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Athyris

Athyris is a brachiopod genus with a subequally biconvex shell that is generally wider than long and a range that extends from the Silurian into the Triassic. Athyris is the type genus for the Athyrididae, which belongs to the articulate order Athyridida. R.C. Moore (1952) gives a shorter range, from the Mid Devonian to the Lower Mississippian.

Reassigned species
Some species originally included in Athyris have been reassigned. • A. aliena = Septathyris alienaA. headi = CatazygaA. megalotis = Comelicania megalotisA. peracuta = Janiceps peracutaA. royssii = Cleiothyridina royssiiA. umbonata = Hindella umbonata ==Ecology and taphonomy==
Ecology and taphonomy
Composition: low Mg calcite Entire body: yes Adult length: 10 to File:Athyris concentrica pedunculate valve.jpg|Athyris concentrica, pedicle valve File:Athyris concentrica brachial valve.jpg|Athyris concentrica, brachial valve File:Athyris concentrica opening.jpg|Athyris concentrica, anterior view File:Athyris concentrica hinge.jpg|Athyris concentrica, posterior view File:Athyris concentrica lateral.jpg|Athyris concentrica, lateral view References: Aberhan et al. 2004, Hendy 2009 ==References==
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