GSC loc. 25279. Around mouth of Surprise Creek (Ordovician of Canada)

Also known as 10A

Where: Manitoba, Canada (58.0° N, 95.0° W: paleocoordinates 7.7° S, 52.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: 1 Member (Surprise Creek Formation), Maysvillian (450.2 - 449.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: dolomitic, gray limestone

• "Limestone, slightly dolomitic, light yellowish gray, microcrystalline, fossiliferous, buff to gray weathering, breaking in irregular platy slabs 1-2 inches thick."

Size class: macrofossils

Reposited in the GSC

Primary reference: J. Jin, W. G. E. Caldwell, and B. S. Norford. 1997. Late Ordovician brachiopods and biostratigraphy of the Hudson Bay Lowlands, northern Manitoba and Ontario. Bulletin of the Geological Survey of Canada 513:1-115 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166463: authorized by Pete Wagner, entered by Pete Wagner on 14.02.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Sowerbyellidae
"Thaerodonta clarksvillensis" = Eochonetes clarksvillensis
"Thaerodonta clarksvillensis" = Eochonetes clarksvillensis Foerste 1912
 Strophomenida - Furcitellidae
Megamyonia nitens Billings 1860
 Strophomenida - Strophomenidae
Strophomena vetusta James 1874
3 vv, 2 dv
 Strophomenida - Rafinesquinidae
Kjaerina hartae Jin et al. 1995
Rhynchonellata
 Atrypida - Anazygidae
Zygospira resupinata Wang 1949
Zygospira resupinata multicostata
 Rhynchonellida - Rhynchotrematidae