Also known as Wilson 1946 Loc. 38. Booth Mill

Where: Ontario, Canada (45.4° N, 75.7° W: paleocoordinates 25.4° S, 52.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Diplacanthograptus spiniferus graptolite zone, Cystid Beds Member (Verulam Formation), Chatfieldian (453.8 - 451.0 Ma)

• PJW: Was Cobourg, but probably from Cystid Beds, which is now Verulam formation. (See Sinclair 1948; Dix & Al-Dulami 2011). Dix & Al-Dulami (2011) put this in the Diplacanthograptus spiniferus zone

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified packstone and lithified, gray, calcareous mudstone

Size class: macrofossils

Collection methods: surface (float),

• collection taken from an active stone quarry; large blocks counted in the field

Primary reference: A. E. Wilson. 1946. Echinodermata of the Ottawa Formation of the Ottawa-St. Lawrence lowland. Geological Survey of Canada Bulletin 4:1-61 [G. Webster/G. Webster]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 197156: authorized by Pete Wagner, entered by Pete Wagner on 24.10.2018

Creative Commons license: CC BY (attribution)