Ottawa (Ordovician of Canada)

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: Trentonian (457.3 - 449.6 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: E. O. Ulrich. 1925. New classification of the "Heterocrinidae". Canada Geological Survey, Memoir 138:82-106 [G. Webster/G. Webster/S. Cole]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173364: authorized by Björn Kröger, entered by Björn Kröger on 21.09.2015, edited by Lena Cole

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Disparida - Heterocrinidae
Heterocrinus simplex Hall 1847 Sea lily