MacDonald River Section Unit 14 232-332 ft (Ordovician of Canada)

Where: Quebec, Canada (49.7° N, 63.0° W: paleocoordinates 23.1° S, 38.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Hercochitina crickmayi other zone, Homard Member (Vauréal Formation), Richmondian (449.6 - 445.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: nodular, blue shale and blue limestone

• Nodular blue shale with occasional thin beds of hard blue limestone

Size class: macrofossils

Reposited in the GSC

Primary reference: W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 173860: authorized by Pete Wagner, entered by Pete Wagner on 20.10.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Lophophorata
 Tentaculitida - Costatulitidae
"Cornulites richmondensis" = Costatulites richmondensis
"Cornulites richmondensis" = Costatulites richmondensis Miller 1874
Strophomenata
 Strophomenida - Plectambonitidae
Plectambonites sericeus Sowerby 1839
Plectambonites sericeus glaber
 Strophomenida - Furcitellidae
"? Leptaena nitens" = Megamyonia nitens
"? Leptaena nitens" = Megamyonia nitens Billings 1860
 Strophomenida - Strophomenidae
"Strophomena hecuba" = Tetraphalerella hecuba
"Strophomena hecuba" = Tetraphalerella hecuba Billings 1860
Rhynchonellata
 Atrypida - Anazygidae
"Zygospira recurvirostris" = Anazyga recurvirostra, Catazyga anticostiensis
"Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
Zygospira recurvirostris aequivalvis
Catazyga anticostiensis Billings 1862
 Orthida - Dalmanellidae
Onniella tricapitata Jin and Zhan 2008
 Orthida - Plaesiomyidae
"Dinorthis carletona" = Dinorthis (Pionorthis) carletona
"Dinorthis carletona" = Dinorthis (Pionorthis) carletona Twenhofel 1928
 Rhynchonellida - Rhynchotrematidae
"Rhynchotrema janeum" = Hypsiptycha janea
"Rhynchotrema janeum" = Hypsiptycha janea Billings 1866
Bivalvia
 Ostreida - Pterineidae
Pterinea prolifica Billings 1866 oyster
 Pholadomyida - Pholadomyidae
Rhytimya emma Billings 1862 clam
Rostroconchia
 Ribeirioida - Ischyriniidae
"Ischyrina winchelli" = Ischyrinia winchelli
"Ischyrina winchelli" = Ischyrinia winchelli Billings 1866