Edited by oilshale
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Astreptoscolex anasillosus Thompson, 1974
Images: 
By oilshale (edited)
Taxonomy
Bristle Worm
Kingdom: Animalia
Phylum: Annelida
Class: Polychaeta Grube 1850
Order: Phyllodocida Dales 1962
Family: Nephtyidae Grube 1850
Genus: Astreptoscolex
Species: Astreptoscolex anasillosus
Author Citation Thompson, 1974
Geological Time Scale
Eon: Phanerozoic
Era: Paleozoic
Period: Carboniferous
Sub Period: Mississippian
Epoch: Late
International Age: Serpukhovian
Stratigraphy
Big Snowy Group
Heath Formation
Bear Gulch Bed
Provenance
Acquired by: Purchase/Trade
Dimensions
Length: 4 cm
Location
Bear Gulch
Fergus County
Montana
United States
- astreptoscolex
- bear gulch
- bristle worm
- carboniferous
- fergus
- heath shale
- montana
- polychaeta
- serpukhovian
- tff-oilshale-an1833
Comments
Taxonomy from Fossilworks.org.Can also be found in Mazon Creek.
References:
F. R. Schram (1979): Worms of the Mississippian Bear Gulch Limestone of central Montana, USA. Transactions of the San Diego Society of Natural History. Volume 19, No 9, pp 107-120
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