Thunder Lake (Tithonian) (Jurassic of Canada)

Also known as Manning Provincial Park; GSC C-128986

Where: British Columbia, Canada (49.0° N, 121.0° W: paleocoordinates 40.0° N, 69.8° W)

• small collection-level geographic resolution

When: Tithonian (152.1 - 145.0 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 114691: authorized by John Alroy, entered by John Alroy on 20.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Ataxioceratidae
Discosphinctoides aff. neohispanicum, ? Lithacoceras sp., ? Lithacoceras (Subplanites) sp.
? Lithacoceras sp. Hyatt 1900 ammonite
? Lithacoceras (Subplanites) sp. Dacque 1910 ammonite