GSC loc. C-158035 - Graham Island (Jurassic to of Canada)

Where: British Columbia, Canada (53.4° N, 132.3° W: paleocoordinates 4.2° N, 126.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Whiteaves Formation (Maude Group), Early/Lower Toarcian to Early/Lower Toarcian (183.0 - 175.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

Primary reference: G. K. Jakobs. 1997. Toarcian (Early Jurassic) ammonoids from western North America. Geological Survey of Canada, Bulletin 428:137pp. [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53621: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 13.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
"Chlamys (Chlamys) textoria" = Chlamys textoria
"Chlamys (Chlamys) textoria" = Chlamys textoria Schlotheim 1820 scallop
Cephalopoda
 Ammonitida - Hildoceratidae
Leukadiella aff. helenae Renz 1913 ammonite
Hildaites sp. ammonite
"Harpoceras cf. subplanatum" = Harpoceras (Harpoceras) subplanatum Oppel 1856 ammonite
Cleviceras sp. Howarth 1992 ammonite
 Ammonitida - Hammatoceratidae
Rarenodia planulata Venturi 1975 ammonite
 Nautilida - Cenoceratidae
"Cenoceras cf. intermedius" = Cenoceras intermedium
"Cenoceras cf. intermedius" = Cenoceras intermedium Sowerby 1816 nautiloid