Where: British Columbia, Canada (53.4° N, 132.3° W: paleocoordinates 1.8° N, 126.9° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Ghost Creek Formation (Maude Group), Imlayi (189.6 - 186.7 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; siltstone and mudstone
Size class: macrofossils
Collection methods: surface (in situ),
Primary reference: P. L. Smith and H. W. Tipper. 1996. Pliensbachian (Lower Jurassic) ammonites of the Queen Charlotte Islands, British Columbia. Bulletins of American Paleontology 108(348):1-122 [A. Miller/K. Layou/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 33126: authorized by Arnold Miller, entered by Karen Layou on 23.07.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Pseudoskirroceras imlayi Smith and Tipper 1988 ammonite
Miltoceras aff. sellae Gemmellaro 1884 ammonite | |
Gemmellaroceras cf. alloplocum, Polymorphites confusus, Tropidoceras "sp. 1", Tropidoceras cf. erythraeum
Gemmellaroceras cf. alloplocum Gemmellaro 1884 ammonite
Polymorphites confusus Quenstedt 1856 ammonite
Tropidoceras "sp. 1" Hyatt 1867 ammonite
Tropidoceras cf. erythraeum Gemmellaro 1884 ammonite |