PBDB Collection

Caution Creek Formation, Member 1 (Churchill River Exposure) (Ordovician to of Canada)

Where: Manitoba, Canada (58.0° N, 94.9° W)

• Paleocoordinates: 5.6° S, 108.3° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: 1 Member (Caution Creek Formation), Richmondian to Richmondian (449.6 - 443.7 Ma)

• "The Caution Creek Formation has its type section at Caution Creek, a small tributary of the Churchill."

• member-level stratigraphic resolution

Environment/lithology: dolomitic, shelly/skeletal, gray limestone

• Environmental call by T. Hanson.

• "18 feet thick and consists mostly of gray- to yellowish-gray-weathering, light-yellowish-gray, cryptocrystalline, slightly dolomitic limestone, weathering in irregular, rather rubbly beds about 1 inch thick. Shelly detritus is plentiful in the limestone."

Size class: macrofossils

Primary reference: S. J. Nelson. 1963. Ordovician paleontology of the Northern Hudson Bay lowland. Geological Society of America Memoir 90:1-152 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23011: authorized by Steven Holland, entered by Tori Hanson on 08.07.2002, edited by Pete Wagner

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Actinocerida - Gonioceratidae	Lambeoceras nudum Lambeoceras nudum Troedsson 1928
Orthocerida - Proteoceratidae	Ephippiorthoceras dowlingi Ephippiorthoceras dowlingi Foerste and Savage 1927
Endocerida - Endoceratidae	Cyclendoceras belli n. sp. Cyclendoceras belli n. sp.
Oncocerida - Oncoceratidae	Digenuoceras mclearni n. sp. Digenuoceras mclearni n. sp.
Multiceratoidea - Apsidoceratidae	Charactoceras laddi, Charactoceras warrenae n. sp. Charactoceras laddi Charactoceras warrenae n. sp.
Ascocerida - Probillingsitidae	Probillingsites harkeri n. sp. Probillingsites harkeri n. sp.
Ascocerida - Ascoceratidae	Billingsites borealis, Billingsites keatingi n. sp., Billingsites canadensis Billingsites borealis Billingsites keatingi n. sp. Billingsites canadensis Billings 1857 Billingsites canadensis (Billings) (?)
Discosorida - Westonoceratidae	Winnipegoceras ? contractum Winnipegoceras ? contractum
Gastropoda
Murchisoniina - Trochonematidae	Trochonema coxi Trochonema coxi Wilson 1938 snail
Murchisoniina - Eotomariidae	"Liospira parva" = Paraliospira parva "Liospira parva" = Paraliospira parva Wilson 1938 snail
Strophomenata
Strophomenida - Strophomenidae	"Strophomena fluctuosa" = Nasutimena fluctuosa, "Strophomena planocorrugata" = Rugomena planocorrugata "Strophomena fluctuosa" = Nasutimena fluctuosa Billings 1860 "Strophomena planocorrugata" = Rugomena planocorrugata Twenhofel 1928
Strophomenida - Furcitellidae	Megamyonia raymondi, Megamyonia nitens, Oepikina limbrata¹ Megamyonia raymondi Megamyonia nitens Billings 1860 Oepikina limbrata¹ Wang 1949
Rhynchonellata
Orthida - Plaesiomyidae	Dinorthis occidentalis² Dinorthis occidentalis² Okulitch 1943
Atrypida - Anazygidae	Zygospira resupinata Zygospira resupinata Wang 1949
Rhynchonellida - Rhynchotrematidae	Hypsiptycha anticostiensis, "Lepidocyclus perlamellosus" = Lepidocyclus perlamellosa, "Lepidocyclus capax" = Hiscobeccus capax Hypsiptycha anticostiensis Billings 1862 "Lepidocyclus perlamellosus" = Lepidocyclus perlamellosa Whitfield 1878 "Lepidocyclus capax" = Hiscobeccus capax Conrad 1842
Anthozoa
Stauriida - Stauriidae	Palaeophyllum raduguini n. sp. Palaeophyllum raduguini n. sp. horn coral Palaeophyllum raduguini n. nov
Stauriida - Streptelasmatidae	Deiracorallium manitobense n. sp., Bighornia patella, Lobocorallium trilobatum Deiracorallium manitobense n. sp. Nelson 1963 horn coral Bighornia patella Wilson 1926 horn coral Lobocorallium trilobatum horn coral Lobocorallium trilobatum var. major nov.
Sarcinulida - Syringophyllidae	"Calapoecia canadensis" = Calapoecia coxi, Calapoecia anticostiensis "Calapoecia canadensis" = Calapoecia coxi Bassler 1950 tabulate coral Calapoecia canadensis var. ungava Cox Calapoecia anticostiensis Billings 1865 tabulate coral
Heliolitida - Halysitidae	Manipora amicarum, Catenipora rubra, Catenipora foerstei n. sp., Catenipora robusta Manipora amicarum tabulate coral Catenipora rubra tabulate coral Catenipora foerstei n. sp. Nelson 1963 tabulate coral Catenipora robusta Wilson 1926 tabulate coral
Heliolitida - Palaeoporitidae	Protrochiscolithus kiaeri Protrochiscolithus kiaeri tabulate coral
Favositida - Favositidae	"Palaeofavosites capax" = Paleofavosites, Favosites wilsonae n. sp. "Palaeofavosites capax" = Paleofavosites tabulate coral Favosites wilsonae n. sp. tabulate coral
Lichenariida - Lyoporidae	Lyopora manitobensis n. sp. Lyopora manitobensis n. sp. tabulate coral

¹Jin and Zhan 2001; ²Wright and Stigall 2013