Merrimack Formation
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| 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 | edit source]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
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References
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 | This article related to the Silurian period is a stub. You can help Wikipedia by expanding it. |
 | This article about a specific stratigraphic formation in Quebec is a stub. You can help Wikipedia by expanding it. |