Clay cliff (Ordovician of Canada)

Where: Ontario, Canada (45.7° N, 81.6° W: paleocoordinates 21.6° S, 52.1° W)

• coordinate estimated from map

When: Richmondian (449.5 - 443.7 Ma)

Environment/lithology: marine; limestone and shale

Size classes: macrofossils, mesofossils

Primary reference: A. F. Foerste. 1924. Upper Ordovician faunas of Ontario and Quebec. Geological Survey of Canada Memoir 138(121):1-99 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173014: authorized by Björn Kröger, entered by Susan Scholze on 08.09.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Hormogoneae
 Oscillatoriales - Girvanellaceae
Anthozoa
 Stauriida - Columnariidae
Columnaria calicina Nicholson 1874 horn coral
 Heliolitida - Coccoserididae
Protaraea richmondensis Foerste 1909 tabulate coral
Protaraea richmondensis papillata
 Lichenariida - Lyoporidae
Lyopora goldfussi Billings 1858 tabulate coral
Gastropoda
 Murchisoniina - Lophospiridae
Lophospira manitoulinensis Foerste 1924 snail
 Bellerophontida - Bellerophontidae
"Oxydiscus perstriatus" = Joleaudella perstriatus
"Oxydiscus perstriatus" = Joleaudella perstriatus Foerste 1924 snail
Bivalvia
 Cyrtodontida - Cyrtodontidae
Cyrtodonta ponderosa Billings 1865 clam
 Myalinida - Ambonychiidae
Byssonychia borealis Foerste 1924 clam
Rhynchonellata
 Atrypida - Anazygidae
Zygospira kentuckiensis Hall and Clarke 1895
Stenolaemata
 Cystoporata - Constellariidae
 Trepostomida - Amplexoporidae
Rhombotrypa quadrata Rominger 1866
Polychaeta
 Sabellida - Serpulidae
Spirorbis cincinnatiensis Miller and Dyer 1878