ammonites
Hart River section at 113.4 m (Silurian of Canada)

Where: Yukon, Canada (64.6° N, 136.9° W: paleocoordinates 6.3° N, 45.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pridoli (418.7 - 416.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); calcareous shale

• SEP environmental call based on given info. and regional context
• "The Hart River section consists of a nearly continuously exposed sequence of shales, calcareous limestones, and minor limestones...The calcareous shales, assignable to the Road River Formation of Jackson and Lenz (1962)...contain abundant graptolites but little else; however, near the top of the section thin limestone beds contain a brachiopod fauna as yet undescribed, and the trilobite Warburgella rugulosa..."

Primary reference: A. C. Lenz. 1977. Yukon Territory. in A. Martinsson, ed. The Silurian-Devonian boundary (IUGS, Series A, Number 5). Schweizerbart'sche, Stuttgart. 272-280 [M. Foote/M. Foote/M. Foote] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14017: authorized by Michael Foote, entered by Michael Foote on 08.05.2002