Английская Википедия:Athyris
Шаблон:Short description Шаблон:Italic title Шаблон:Taxobox
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.
Alverezites, Bruntonites, and Meristospira are among related genera.
Reassigned species
Some species originally included in Athyris have been reassigned.[1]
- A. aliena = Septathyris aliena
- A. headi = Catazyga
- A. megalotis = Comelicania megalotis
- A. peracuta = Janiceps peracuta
- A. royssii = Cleiothyridina royssii
- A. umbonata = Hindella 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
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Athyris concentrica, pedicle valve
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Athyris concentrica, brachial valve
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Athyris concentrica, anterior view
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Athyris concentrica, posterior view
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Athyris concentrica, lateral view
References: Aberhan et al. 2004, Hendy 2009
References
- R.C Moore 1952. Brachiopods, Ch 6. Moore, Lalicker, and Fischer. Invertebrate Fossils, McGraw-Hill.
- Athyris data
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- Carboniferous brachiopods
- 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
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