Norway Point Formation
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Geologic formation in Michigan, United States
| Norway Point Formation | |
|---|---|
| Stratigraphic range: Middle Devonian (Givetian)[1] | |
| Type | Geological formation |
| Unit of | Traverse Group[1] |
| Overlies | Four Mile Dam Formation[1] |
| Location | |
| Region | Michigan |
| Country | United States |
The Norway Point Formation is a geologic formation in Michigan. It preserves fossils dating back to the middle Devonian period.
Vertebrates
| Acanthodians | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Oracanthus | O. sp. | "Four Mile Dam, 6 kilometers northwest of Alpena, Alpena County, Michigan".[1] | "A single spine (UMMP 23495)".[1] | ||
| Conodonts | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Acodina | A. formosa | [2] | Also found in the Detroit River, Traverse, Dundee, Bell, Alpena and Four Mile Dam formations. | ||
| A. lanceolata | [2] | Also found in the Traverse Formation. | |||
| Belodella | B. devonicus | [2] | Also found in the Detroit River, Traverse, Antrim, Alpena and Four Mile Dam formations. | ||
| Hindeodella | H. germana | [2] | Also found in the Detroit River, Traverse and Antrim formations. | ||
| Icriodus | I. cymbiformis | [2] | Also found in the Detroit River, Traverse, Antrim, Ferron Point, Genshaw, Alpena and Thunder Bay formations. | ||
| I. expansus | [2] | Also found in the Detroit River, Traverse, Antrim, Lucas, Anderdon, Dundee, Bell, Ferron Point, Genshaw, Alpena, Potter Farm and Thunder Bay formations. | |||
| I. latericrescens latericrescens | [2] | Also found in the Traverse, Bell, Ferron Point, Genshaw, Newton Creek, Alpena, Four Mile Dam, Potter Farm and Thunder Bay formations. | |||
| Ligonodina | L. falciformis | [2] | Also found in the Traverse Formation and Alpena Limestone. | ||
| Ozarkodina | O. willsi | [2] | Also found in the Detroit River, Traverse, Antrim, Dundee, Alpena and Four Mile Dam formations. | ||
| Polygnathus | P. linguiformis linguiformis | [2] | Also found in the Detroit River, Traverse, Antrim, Dundee, Bell and Alpena formations. | ||
| P. varcus | [2] | Also found in the Traverse, Antrim, Alpena, Four Mile Dam and Thunder Bay formations. | |||
| Synprioniodina | S. regularis | [2] | Also found in the Detroit River, Traverse, Antrim, Dundee, Bell and Alpena formations. | ||
Invertebrates
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Corals | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Aulocystis | A. commensalis | [5] | Also found in the Ipperwash Limestone and Wanakah Shale. | ||
| A. stummi | Thunder Bay River below Four Mile Dam, Alpena County, Michigan.[5] | ||||
| Ostracods | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Aechmina | A. choanobasota | 2 right valves.[6] | |||
| A. sp. A | 2 right valves.[6] | ||||
| A. sp. B | A carapace, No. 29828.[6] | ||||
| Arcyzona | A. aperticarinata | [6] | |||
| A. diademata | A carapace and right valve.[6] | ||||
| A. sp. | 2 carapaces.[6] | ||||
| Barychilina | B. embrithes | A left valve[6] | |||
| B. labyrinthea | A carapace.[6] | ||||
| B. sp. | A left valve.[6] | ||||
| Birdsallella | B. delawarensis | [6] | |||
| B. tumida | [6] | ||||
| Bythocypris | B. devonica borealis | A carapace.[6] | |||
| B. parsonia | A carapace.[6] | ||||
| B. subquadrata | 2 carapaces.[6] | ||||
| Coelonella | C. scapha | 2 carapaces.[6] | |||
| Ctenoloculina | C. cicatricosa | [6] | |||
| Dizygopleura | D. euglyphea | A left valve.[6] | |||
| Euglyphella | E. compressa | A right valve.[6] | |||
| E. sigmoidalis | [6] | ||||
| E. simplex | [6] | ||||
| Eukloedenella | E. doverensis | One female left valve and one male left valve.[6] | |||
| Falsipollex | F. equipapillatus | [6] | |||
| Glyptopleura | G. bipunctata | [6] | |||
| Halliella | H. bellipuncta | 2 right valves.[6] | |||
| Healdia | H. gibba | [6] | |||
| H. sp. | A right valve.[6] | ||||
| Hollinella | H. ampla | A left valve.[6] | |||
| H. inclinisulcata | [6] | ||||
| H. labrosa | 3 right valves.[6] | ||||
| H. tendilobata | [6] | ||||
| H. sp. A | "Two carapaces, Nos. 27352 and 27353".[6] | ||||
| H. sp. B | "A male carapace, No. 27354".[6] | ||||
| Hyphasmaphora | H. textiligera | 2 right valves.[6] | |||
| Jenningsina | J. catenulata | [6] | |||
| J. scalpta | A left valve.[6] | ||||
| Lucasella | L. mundula | [6] | |||
| Monoceratina | M. casei | "2 carapaces, Nos. 27374 and 27375".[6] | |||
| Octonaria | O. crescentiformis | [6] | |||
| O. quadricostata | [6] | ||||
| Parabolbina | P. acinina | 2 male right valves.[6] | |||
| Ponderodictya | P. punctulifera | [6] | |||
| P. sp. | One specimen (No. 29891).[6] | May be an early instar of P. punctulifera.[6] | |||
| Punctoprimitia | P. subaequalis | 1 right valve and 4 left valves.[6] | |||
| Quasillites | Q. binodosus | [6] | |||
| Q. jubatus | [6] | ||||
| Q. lobatus | A right valve.[6] | ||||
| Q. obliquus | A carapace.[6] | ||||
| Q. cf. Q. ornatus | A carapace.[6] | ||||
| Q. ornatus | 3 carapaces and a right valve.[6] | ||||
| Reticestus | R. acclivitatus | [6] | |||
| Ropolonellus | R. papillatus | A right valve.[6] | |||
| R. plenus | A right valve.[6] | ||||
| Ruptivelum | R. bacculatum | [6] | |||
| Subligaculum | S. biorthogonium | [6] | |||
| S. trullatum | 2 male left valves and a broken female right valve.[6] | ||||
| Tetrasacculus | T. paeneloculatus | [6] | |||
| Ulrichia | U. fragilis | 1 carapace and 2 left valves.[6] | |||
| U. spinifera | 3 right valves.[6] | ||||
| Trilobites | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Dechenella | D. (Basidechenella) sp. A | "Nos. 25506, 28719, 28720, and 28721".[7] | |||
| Dipleura | D. dekayi | "Shales just above the Spinocyrtia zone".[7] | Also found in the Thunder Bay Limestone. |  | |
| Eldredgeops | E. rana | [7] | Originally reported as Phacops rana. Also found in the Hamilton, Hungry Hollow, Widder, Plum Brook, Prout, Ten Mile Creek, Alpena, Four Mile Dam and Gravel Point formations. |  | |
| Greenops | G. aequituberculatus | [7] | Also found in the Gravel Point Formation and Dock Street clay of the Four Mile Dam Formation. | ||
| Phacops | P. rana | [7] | Moved to the genus Eldredgeops. | ||
See also
References
- 1 2 3 4 5 6 Stack, Jack; Sallan, Lauren (20 September 2018). "An examination of the Devonian fishes of Michigan". PeerJ. 6 (2) e5636. doi:10.7717/peerj.5636. PMC 6151260. PMID 30258725.
- 1 2 3 4 5 6 7 8 9 10 11 12 Orr, R. William (1971). "Conodonts from Middle Devonian Strata from the Michigan Basin".
{{cite journal}}: Cite journal requires|journal=(help) - 1 2 3 4 5 6 7 8 9 Imbrie, John (1959). "Brachiopods of the Traverse group (Devonian) of Michigan. Part 1, Dalmanellacea, Pentameracea, Strophomenacea, Orthotetacea, Chonetacea, and Productacea. Bulletin of the AMNH; v. 116, article 4". hdl:2246/1258.
{{cite journal}}: Cite journal requires|journal=(help) - ↑ Rogers, Frederick S.; Pitrat, Charles W. (May 1987). "Distribution of Tylothyris (Brachiopoda) and its occurrence in the Traverse Group (Middle Devonian) of Michigan". Journal of Paleontology. 61 (3): 494–507. doi:10.1017/S0022336000028651. ISSN 0022-3360. S2CID 130922140.
- 1 2 Watkins, J. Lloyd (1959). "Middle Devonian Auloporid Corals from the Traverse Group of Michigan". Journal of Paleontology. 33 (5): 793–808. ISSN 0022-3360. JSTOR 1300915.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 Kesling, R. V.; Weiss, Martin (1953). "Ostracods from the Norway Point Formation of Michigan". hdl:2027.42/48276.
{{cite journal}}: Cite journal requires|journal=(help) - 1 2 3 4 5 Stumm, Erwin (1953). "Trilobites of the Devonian Traverse Group of Michigan" (PDF). University of Michigan Press - Museum of Paleontology.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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