Montreal City (Ordovician of Canada)

Where: Quebec, Canada (45.5° N, 73.6° W: paleocoordinates 25.0° S, 47.9° W)

• coordinate stated in text

• local area-level geographic resolution

When: Hull Member (Ottawa Formation), Katian (453.0 - 445.2 Ma)

Environment/lithology: limestone

Size class: macrofossils

Primary reference: E. Billings. 1857. Report for the year 1856. Geological Survey of Canada - Report of Progress for the Years 1853-56 247-345 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 181082: authorized by William Ausich, entered by Lena Cole on 18.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Dendrocrinida - Dendrocrinidae
Dendrocrinus acutidactylus Billings 1859 Sea lily
 Cladida - Plicodendrocrinidae
"Dendrocrinus proboscidiatus" = Plicodendrocrinus proboscidiatus
"Dendrocrinus proboscidiatus" = Plicodendrocrinus proboscidiatus Billings 1857 Sea lily
near the Toll-gate, St. Lawrence St.
 Disparida - Heterocrinidae
Heterocrinus simplex Hall 1847 Sea lily
 Homocrinida - Homocrinidae
Ectenocrinus simplex2 Hall 1847 Sea lily
 Homocrinida - Cincinnaticrinidae
Cincinnaticrinus varibrachialus3 Warn and Strimple 1977 Sea lily
 Inadunata - Merocrinidae
Praecupulocrinus conjugans1 Billings 1857 Sea lily
near the Toll-gate, St. Lawrence St.
 Diplobathrida - Rhodocrinitidae
"Thysanocrinus (Rhodocrinus) pyriformis" = Neoarchaeocrinus pyriformis
"Thysanocrinus (Rhodocrinus) pyriformis" = Neoarchaeocrinus pyriformis Billings 1857 Sea lily
Upper part of the formation, "around the base of the mountain at Montreal" (presumably Mount Royal)
 Rhombifera - Glyptocystitidae
"Glyptocystites multiporus" = Glyptocystites multipora
"Glyptocystites multiporus" = Glyptocystites multipora Billings 1854
 Rhombifera - Pleurocystitidae
Pleurocystites exornatus
Lower part of Trenton limestone