# Frammia

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***Frammia*** is a genus of [trilobites](/source/Trilobite) in the order [Phacopida](/source/Phacopida) that existed during the middle and upper [Silurian](/source/Silurian) in what is now the [Arctic](/source/Arctic) regions of [Canada](/source/Canada) and [Russia](/source/Russia). It was described by Holtedahl in 1914, and the [type species](/source/Type_species) is *Frammia dissimilis*. That species was subsequently considered to be a synonym of *Frammia arctica* (Salter, 1852).[1] The genus also contains the species, *F. bachae* Adrain & Edgecombe, 1997, *F. hyperborea* (Thomas, 1979), and *F. rossica* (Maksimova, 1970). The [type locality](/source/Type_locality_(biology)) is the [Douro Formation](/source/Douro_Formation) of [Cornwallis Island](/source/Cornwallis_Island_(Nunavut)) in [Nunavut](/source/Nunavut), Canadian Arctic.[2]

## References

1. Tripp, Ronald P.; Temple, John T.; Gass, Kenneth C. (1977). ["The Silurian trilobite *Encrinurus variolaris* and allied species, with notes on *Frammia*."](https://www.palass.org/sites/default/files/media/publications/palaeontology/volume_20/vol20_part4_pp847-867.pdf). *Palaeontology*. **20** (4): 847–867.

1. [Available Generic Names for Trilobites](http://www.trilobites.info/generic_names_Jell%26Adrain2003.pdf) P.A. Jell and J.M. Adrain.

## External links

- [*Frammia*](https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21579) at the [Paleobiology Database](/source/Paleobiology_Database)

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Adapted from the Wikipedia article [Frammia](https://en.wikipedia.org/wiki/Frammia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Frammia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.