PBDB Collection

Caution Creek Formation, Member 3 (Churchill River Exposure) (Ordovician to of Canada)

Where: Manitoba, Canada (58.0° N, 94.9° W: paleocoordinates 7.0° S, 51.0° W)

• coordinate estimated from map

When: 3 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, gray limestone

• Environmental call by T. Hanson

• "6 feet of gray earthy-weathering, light-yellowish-gray, microcrystalline, almost cryptocrystalline, slightly dolomitic limestone, weathering in rather nodular beds 1-2 inches thick.

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 23014: authorized by Steven Holland, entered by Tori Hanson on 08.07.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Anthozoa
Favositida - Favositidae	Palaeofavosites alveolaris, Favosites wilsonae n. sp. Palaeofavosites alveolaris Goldfuss 1829 tabulate coral Palaeofavosites alveolaris (Lonsdale) (?) Favosites wilsonae n. sp. tabulate coral
Stauriida - Streptelasmatidae	Lobocorallium trilobatum, Bighornia patella Lobocorallium trilobatum horn coral Lobocorallium trilobatum var. major nov. Bighornia patella Wilson 1926 horn coral
Strophomenata
Strophomenida - Furcitellidae	Oepikina limbrata¹, Megamyonia nitens Oepikina limbrata¹ Wang 1949 Megamyonia nitens Billings 1860
Rhynchonellata
Orthida - Plaesiomyidae	Dinorthis occidentalis² Dinorthis occidentalis² Okulitch 1943
Rhynchonellida - Rhynchotrematidae	Hypsiptycha anticostiensis, "Lepidocyclus perlamellosus" = Lepidocyclus perlamellosa Hypsiptycha anticostiensis Billings 1862 "Lepidocyclus perlamellosus" = Lepidocyclus perlamellosa Whitfield 1878
Cephalopoda
Multiceratoidea - Apsidoceratidae	"Charactocerina goodwini n. sp." = Charactoceras "Charactocerina goodwini n. sp." = Charactoceras

¹Jin and Zhan 2001; ²Wright and Stigall 2013