Kennecott Point, Graham Island, Queen Charlotte Islands, Section B 22 (Jurassic of Canada)

Where: British Columbia, Canada (53.9° N, 133.2° W: paleocoordinates 0.8° S, 128.3° W)

• coordinate stated in text

When: Sunrisensis ammonoid zone, Sandilands Formation, Liasicus (201.3 - 196.5 Ma)

Environment/lithology: basinal (); lithified, fine-grained, black, gray, blue siltstone and lithified, lenticular, fine-grained, medium, tuffaceous sandstone

• It is typically composed of thinly bedded dark shale and dark grey or blue siltstone. Fine to medium grained sandstone, tuffaceous beds and limestone beds, lenses and concretions are common.

Size class: macrofossils

Preservation: mold/impression

Primary reference: L. M. Longridge, J. Pálfy, P. L. Smith and H. W. Tipper. 2008. Middle and late Hettangian (Early Jurassic) ammonites from the Queen Charlotte Islands, British Columbia, Canada. Revue de Paleobiologie, Geneve 27(1):191-248 [J. Pálfy/M. Bosnakoff]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 84979: authorized by József Pálfy, entered by Mariann Bosnakoff on 19.11.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Psiloceratidae
Discamphiceras cf. submesogenos, Discamphiceras silberlingi, Mullerites cf. pleuroacanthitoides, Sunrisites cf. chilensis
Discamphiceras silberlingi Guex 1980 ammonite
Sunrisites cf. chilensis Hillebrandt 2000 ammonite
 Ammonitida - Arietitidae
Alsatites cf. proaries, Pseudaetomoceras cf. castagnolai
Alsatites cf. proaries Neumayr 1879 ammonite
Pseudaetomoceras cf. castagnolai Cocchi 1882 ammonite
 Ammonitida - Schlotheimiidae
Storthoceras aff. garfieldense, Storthoceras cf. australe
Storthoceras aff. garfieldense Taylor 1998 ammonite
Storthoceras cf. australe Hillebrandt 2000 ammonite
 Ammonitida - Lytoceratidae
Ectocentrites pacificus
Ectocentrites pacificus Longridge et al. 2008 ammonite