Athyris
Athyris Temporal range: Lower Devonian - Triassic
| |
---|---|
![]() | |
Athyris concentrica | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | |
Family: | |
Genus: | Athyris McCoy, 1844
|
species | |
Synonyms | |
Cliothyris, Spirithyris, Euthyris, Cleidothyris |
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 , which belongs to the articulate order Athyridida. R.C. Moore (1952) gives a shorter range, from the Mid Devonian to the Lower Mississippian.
, , and are among related genera.
Reassigned species[]
Some species originally included in Athyris have been reassigned.[1]
- A. aliena =
- A. headi =
- A. megalotis =
- A. peracuta =
- A. royssii = Cleiothyridina royssii
- A. umbonata =
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
Athyris concentrica, pedicle valve
Athyris concentrica, brachial valve
Athyris concentrica, anterior view
Athyris concentrica, posterior view
Athyris concentrica, lateral view
References: Aberhan et al. 2004, Hendy 2009
References[]
- ^ Moore, R.C. (1965). Brachiopoda. Treatise on Invertebrate Paleontology. Vol. Part H., Volume 1 and 2. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. ISBN 0-8137-3015-5.
- R.C Moore 1952. Brachiopods, Ch 6. Moore, Lalicker, and Fischer. Invertebrate Fossils, McGraw-Hill.
- Athyris data
- Rhynchonellata
- Prehistoric brachiopod genera
- Early Devonian first appearances
- Triassic extinctions
- Paleozoic life of Ontario
- Paleozoic life of Alberta
- Paleozoic life of Manitoba
- Paleozoic life of Nunavut
- Paleozoic life of Quebec
- Paleozoic life of Yukon