Family Athyrididae Rank Genus | ||
 | ||
Similar Atrypa, Chonetes, Cyrtospirifer, Spirifer, Mucrospirifer | ||
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.
Contents
Alverezites, Bruntonites, and Meristospira are among related genera.
Reassigned species
Some species originally included in Athyris have been reassigned.
Ecology and taphonomy
Composition: low Mg calcite
Entire body: yes
Adult length: 10 to < 100
Adult width: 10 to < 100
Adult height: 10 to < 100
Folds: minor
Ribbing: minor
Spines: none
Internal reinforcement: none
Locomotion: stationary
Attached: yes
Life habit: low-level epifaunal
Diet: suspension feeder
Vision: blind
References: Aberhan et al. 2004, Hendy 2009