Strophomena
Strophomena is a genus of brachiopods belonging to the order Strophomenida family Strophomenidae, named by Rafinesque in 1824. They were stationary epifaunal suspension feeders.
| Strophomena | |
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| Strophomena euglypha from Silurian period | |
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| Family: | Strophomenidae |
| Genus: | Strophomena Blainville 1825 |
Strophomena costellata from Bromide Formation, Oklahoma, USA
These brachiopods (often known as lamp shells) lived from the Ordovician period in the Lower Llanvim age to the Silurian period in the Lower Llandovery age.
Distribution
Devonian of Italy, Silurian to Devonian of Algeria, Morocco; Silurian of Australia, Morocco, Russia, Sweden, United States; Ordovician of Australia, Canada, China, France, Ireland, Kazakhstan, Norway, Portugal, Russia, Spain, Sweden, the United Kingdom, United States; Llandeilo of China; Whiterockian of United States; Dawan of China; Arenig of China.
Species
- Strophomena amoena
- Strophomena billingsi
- Strophomena concordensis
- Strophomena costellata
- Strophomena dignata
- Strophomena extensa
- Strophomena euglypha
- Strophomena filitexta
- Strophomena fluctuosa
- Strophomena hecuba
- Strophomena hirundo
- Strophomena incurvata
- Strophomena lenta
- Strophomena minuta
- Strophomena nutans
- Strophomena orthonurensis
- Strophomena perconcava
- Strophomena planumbona
- Strophomena plattinensis
- Strophomena rhomboidalis
- Strophomena striatissima
- Strophomena vetusta
gollark: With the butterfly-weather-control example that's derived from, you can't actually track every butterfly and simulate the air movements resulting from this (yet, with current technology and algorithms), but you can just assume some amount of random noise (from that and other sources) which make predictions about the weather unreliable over large time intervals.
gollark: That seems nitpicky, the small stuff is still *mostly* irrelevant because you can lump it together or treat it as noise.
gollark: Why are you invoking the butterfly effect here?
gollark: That would fit with the general pattern of governments responding to bad things.
gollark: Apparently by texting numbers you can send payments, on mobile phones. What UTTER IDIOT thought that that was a good and secure idea?
See also
References
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