Thunder Lake (Kimmeridgian) (Jurassic of Canada)

Also known as Manning Provincial Park; GSC C-128986

Where: British Columbia, Canada (49.0° N, 121.0° W: paleocoordinates 38.9° N, 69.2° W)

• small collection-level geographic resolution

When: Kimmeridgian (157.3 - 152.1 Ma)

• thought to represent one of two arbitrarily separated out biostratigraphic assemblages from within "a narrow stratigraphic interval" about 50 m thick that is within the informally defined "Thunder Lake Sequence"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; medium-grained, hematitic, black, muddy sandstone

• "black, rusty weathering, medium grained greywacke beds"

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (float)

• fossils "were collected from talus derived from bluffs"

Primary reference: T. P. Poulton, A. Zeiss, and J. A. Jeletzky. 1988. New molluscan faunas of the Late Jurassic (Kimmeridgian and Early Tithonian) of western Canada. Geological Survey of Canada Bulletin 379:103-115 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 114690: authorized by John Alroy, entered by John Alroy on 20.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Oppeliidae
 Ammonitida - Aspidoceratidae
Physodoceras sp. Hyatt 1900 ammonite
 Phylloceratida - Phylloceratidae
Bivalvia
 Pectinida - Pectinoidae
 Pectinida - Buchiidae