Norway Point Formation
Norway Point Formation | |
---|---|
Stratigraphic range: Middle Devonian (Givetian)[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
Type | Geological formation |
Unit of | Traverse Group[1] |
Overlies | Four Mile Dam Formation[1] |
Location | |
Region | ![]() |
Country | ![]() |
The Norway Point Formation is a geologic formation in Michigan. It preserves fossils dating back to the middle Devonian period.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3d/An_examination_of_the_Devonian_fishes_of_Michigan_fig-1-full.png/150px-An_examination_of_the_Devonian_fishes_of_Michigan_fig-1-full.png)
Fossil content
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; |
Brachiopods | |||||
---|---|---|---|---|---|
Genus | Species | Presence | Material | Notes | Images |
Chonetes | C. pachyactis | [3] | |||
Leptalosia | L. radicans | [3] | Also found in the Gravel Point, Alpena, Four Mile Dam, Genshaw, Arkona and Hungry Hollow formations. | ||
Pentamerella | P. pericosta | [3] | Also found in the Beebe School, Widder, Hungry Hollow and Logansport formations. | ||
Pholidostrophia | P. ovata | [3] | Also found in the upper Widder Formation. | ||
Protoleptostrophia | P. lirella | [3] | Also found in the Four Mile Dam Formation and Alpena Limestone. | ||
Schuchertella | S. lirella | At Thunder Bay River.[3] | |||
Sphenophragmus | S. nanus | [3] | Also found in the Beebe School, Ludlowville, Wanakah and Widder formations. | ||
Strophodonta | S. alpenensis | [3] | A strophomenid. | ||
Truncalosia | T. gibbosa | [3] | Also found in the Genshaw, Alpena, Gravel Point, Petoskey, Potter Farm and Arkona formations, and the Hamilton Group. | ||
Tylothyris | T. subvaricosa | [4] | Also found in the Cedar Valley, Milwaukee, Mineola, Bell, Rockport Quarry, Ferron Point, Genshaw, Alpena, Gravel Point and Potter Farm formations. |
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
- ^ a b c d e f 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.
- ^ a b c d e f g h i j k l Orr, R. William (1971). "Conodonts from Middle Devonian Strata from the Michigan Basin".
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(help) - ^ a b c d e f g h i 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.
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(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.
- ^ a b 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.
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg Kesling, R. V.; Weiss, Martin (1953). "Ostracods from the Norway Point Formation of Michigan". hdl:2027.42/48276.
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(help) - ^ a b c d e 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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