The Norway Point Formation is a geologic formation in Michigan. It preserves fossils dating back to the middle Devonian period.

Fossil content Vertebrates Acanthodians Genus Species Presence Material Notes Images OracanthusO. sp. "Four Mile Dam, 6 kilometers northwest of Alpena, Alpena County, Michigan"."A single spine (UMMP 23495)".

Conodonts Genus Species Presence Material Notes ImagesAcodinaA. formosaAlso found in the Detroit River, Traverse, Dundee, Bell, Alpena and Four Mile Dam formations.A. lanceolataAlso found in the Traverse Formation.BelodellaB. devonicusAlso found in the Detroit River, Traverse, Antrim, Alpena and Four Mile Dam formations.HindeodellaH. germanaAlso found in the Detroit River, Traverse and Antrim formations.IcriodusI. cymbiformisAlso found in the Detroit River, Traverse, Antrim, Ferron Point, Genshaw, Alpena and Thunder Bay formations.I. expansusAlso found in the Detroit River, Traverse, Antrim, Lucas, Anderdon, Dundee, Bell, Ferron Point, Genshaw, Alpena, Potter Farm and Thunder Bay formations.I. latericrescens latericrescensAlso found in the Traverse, Bell, Ferron Point, Genshaw, Newton Creek, Alpena, Four Mile Dam, Potter Farm and Thunder Bay formations.LigonodinaL. falciformisAlso found in the Traverse Formation and Alpena Limestone.OzarkodinaO. willsiAlso found in the Detroit River, Traverse, Antrim, Dundee, Alpena and Four Mile Dam formations.PolygnathusP. linguiformis linguiformisAlso found in the Detroit River, Traverse, Antrim, Dundee, Bell and Alpena formations.P. varcusAlso found in the Traverse, Antrim, Alpena, Four Mile Dam and Thunder Bay formations.SynprioniodinaS. regularisAlso found in the Detroit River, Traverse, Antrim, Dundee, Bell and Alpena formations.

Invertebrates

Brachiopods Genus Species Presence Material Notes ImagesChonetesC. pachyactisLeptalosiaL. radicansAlso found in the Gravel Point, Alpena, Four Mile Dam, Genshaw, Arkona and Hungry Hollow formations.PentamerellaP. pericostaAlso found in the Beebe School, Widder, Hungry Hollow and Logansport formations.PholidostrophiaP. ovataAlso found in the upper Widder Formation.ProtoleptostrophiaP. lirellaAlso found in the Four Mile Dam Formation and Alpena Limestone.SchuchertellaS. lirellaAt Thunder Bay River. SphenophragmusS. nanus Also found in the Beebe School, Ludlowville, Wanakah and Widder formations.StrophodontaS. alpenensisA strophomenid.TruncalosiaT. gibbosaAlso found in the Genshaw, Alpena, Gravel Point, Petoskey, Potter Farm and Arkona formations, and the Hamilton Group.TylothyrisT. subvaricosaAlso 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 ImagesAulocystisA. commensalisAlso found in the Ipperwash Limestone and Wanakah Shale.A. stummi Thunder Bay River below Four Mile Dam, Alpena County, Michigan.

Ostracods Genus Species Presence Material Notes ImagesAechminaA. choanobasota2 right valves.A. sp. A2 right valves.A. sp. BA carapace, No. 29828.ArcyzonaA. aperticarinataA. diademataA carapace and right valve.A. sp.2 carapaces.BarychilinaB. embrithesA left valveB. labyrintheaA carapace.B. sp.A left valve.BirdsallellaB. delawarensisB. tumidaBythocyprisB. devonica borealisA carapace.B. parsoniaA carapace.B. subquadrata2 carapaces.CoelonellaC. scapha2 carapaces.CtenoloculinaC. cicatricosaDizygopleuraD. euglypheaA left valve.EuglyphellaE. compressaA right valve.E. sigmoidalisE. simplexEukloedenellaE. doverensisOne female left valve and one male left valve.FalsipollexF. equipapillatusGlyptopleuraG. bipunctataHalliellaH. bellipuncta2 right valves.HealdiaH. gibbaH. sp.A right valve.HollinellaH. amplaA left valve.H. inclinisulcataH. labrosa3 right valves.H. tendilobataH. sp. A"Two carapaces, Nos. 27352 and 27353".H. sp. B"A male carapace, No. 27354".HyphasmaphoraH. textiligera2 right valves.JenningsinaJ. catenulataJ. scalptaA left valve.LucasellaL. mundulaMonoceratinaM. casei"2 carapaces, Nos. 27374 and 27375".OctonariaO. crescentiformisO. quadricostataParabolbinaP. acinina2 male right valves.PonderodictyaP. punctuliferaP. sp.One specimen (No. 29891).May be an early instar of P. punctulifera. PunctoprimitiaP. subaequalis1 right valve and 4 left valves.QuasillitesQ. binodosusQ. jubatusQ. lobatusA right valve.Q. obliquusA carapace.Q. cf. Q. ornatusA carapace.Q. ornatus3 carapaces and a right valve.ReticestusR. acclivitatusRopolonellusR. papillatusA right valve.R. plenusA right valve.RuptivelumR. bacculatumSubligaculumS. biorthogoniumS. trullatum2 male left valves and a broken female right valve.TetrasacculusT. paeneloculatusUlrichiaU. fragilis1 carapace and 2 left valves.U. spinifera3 right valves.

Trilobites Genus Species Presence Material Notes Images DechenellaD. (Basidechenella) sp. A "Nos. 25506, 28719, 28720, and 28721". DipleuraD. dekayi"Shales just above the Spinocyrtia zone".Also found in the Thunder Bay Limestone.EldredgeopsE. ranaOriginally 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.GreenopsG. aequituberculatusAlso found in the Gravel Point Formation and Dock Street clay of the Four Mile Dam Formation.PhacopsP. ranaMoved to the genus Eldredgeops.

See also

List of fossiliferous stratigraphic units in Michigan

References

Bibliography