Merrimack Formation
| Merrimack Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Geological formation |
| Underlies | Gun River Formation[1] |
| Location | |
| Region | Quebec |
| Country | Canada |
The Merrimack Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
Fossil content
[edit]Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Brachiopods | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Cerasina | C. pycnata | Near Merrimack Point, northeastern coast of Anticosti Island.[2] | More than 200 specimens.[2] | Genus renamed to Cerasinella.[3] | |
| Cerasinella | C. pycnata | Near Merrimack Point, northeastern coast of Anticosti Island.[2] | More than 200 specimens.[2] | An atrypoid originally named Cerasina.[3] | |
| Fenestrirostra | F. glacialis | Middle and upper beds of the formation.[4] | A rhynchonellid also found in the lowermost Gun River Formation. | ||
| F. primaeva | Lower part of the middle Merrimack Formation.[4] | A rhynchonellid. | |||
| Stricklandia | S. sp. | "A22=C683 (2 broken shells); A1242 (15, broken); A1329 (1 broken dorsal valve)".[5] | Also found in the Gun River Formation. | ||
| Virgiana | V. mayvillensis | "A505 (1 shell); A 739 (5, all broken); A 741 (33, most damaged); A842 (38, most damaged); A 1330 (12 shells)".[5] | |||
See also
[edit]
.svg){kind=small}
References
[edit]- ↑ Copper, Paul; Long, Darrel G. F.; Jin, Jisuo (2012). "The Early Silurian Gun River Formation of Anticosti Island, eastern Canada: A key section for the mid-Llandovery of North America". Newsletters on Stratigraphy. 45 (3): 263. doi:10.1127/0078-0421/2012/0024. ISSN 0078-0421.
- 1 2 3 4 Copper, Paul (September 1995). "Five new genera of Late Ordovician-Early Silurian brachiopods from Anticosti Island, eastern Canada". Journal of Paleontology. 69 (5): 846–862. doi:10.1017/s0022336000035526. ISSN 0022-3360. S2CID 132079646.
- 1 2 Copper, Paul (September 2015). "Cerasinella, A replacement name for the Silurian brachiopod genus Cerasina Copper 1995, Anticosti Island". Journal of Paleontology. 89 (5): 894. doi:10.1017/jpa.2015.55. ISSN 0022-3360. S2CID 130558774.
- 1 2 Jin, Jisuo; Caldwell, W. G. E.; Copper, Paul (March 1990). "Evolution of the Early Silurian rhynchonellid brachiopod Fenestrirostra in the Anticosti Basin of Quebec". Journal of Paleontology. 64 (2): 214–222. doi:10.1017/s0022336000018370. ISSN 0022-3360. S2CID 132248649.
- 1 2 Jin, Jisuo; Copper, Paul. "Late Ordovician and Early Silurian pentamerid brachiopods of Anticosti Island, Québec, Canada". Palaeontographica Canadiana.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
 | This article related to the Silurian period is a stub. You can help Wikipedia by adding missing information. |
 | This article about a specific stratigraphic formation in Quebec is a stub. You can help Wikipedia by adding missing information. |