Loc. A12-A16, Bearskin Bay (A) [Lower Sandstone Mbr, Haida Fm] (Cretaceous of Canada)

Where: British Columbia, Canada (53.3° N, 132.0° W: paleocoordinates 22.9° N, 110.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Haida Formation, Albian (113.0 - 100.5 Ma)

• STRATIGRAPHIC RELATIONS: From the lower sandstone member of the Haida Fm, which rests unconformably on massive agglomerate of the Jurassic Yakoun Fm, and is overlain by the shale member, which passes up into the Honna Fm. AGE: Albian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From 2480-3410 ft above base of local section.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, concretionary, gray sandstone

• ENVIRONMENT: not stated in text, but apparently shallow marine siliciclastic.
• SPECIFIC LITHOLOGY: Massive to flaggy, grey, feldspathic sandstone with concretions. LITHIFICATION: Lithified, on the basis of facies description and figured specimens.

Size class: macrofossils

Preservation: mold/impression

Collected by McLearn; reposited in the GSC

• COLLECTOR: F. H. McLearn. REPOSITORY: Geological Survey of Canada (GSC).

Primary reference: F. H. McLearn. 1972. Ammonoids of the lower Cretaceous sandstone member of the Haida Formation, Skidgate Inlet, Queen Charlotte Islands, western British Columbia. Geological Bulletin of Canada Bulletin 188:1-78 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87478: authorized by Austin Hendy, entered by Austin Hendy on 18.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoids, but other groups not listed. NOMENCLATURE: Authoritative publication with slightly antiquated nomenclature, but with species resolution identifications.
Cephalopoda
 Ammonitida - Turrilitidae
Pseudhelicoceras carlottense Whiteaves 1884 ammonite
Mariella sp. Nowak 1916 ammonite
 Ammonitida - Ptychoceratidae
Ptychoceras (Diptychoceras) glaber Whiteaves 1884 ammonite
 Ammonitida - Tetragonitidae
Tetragonites subtimotheanus Wiedmann 1962 ammonite
Zelandites cf. inflatus Matsumoto 1959 ammonite
Anagaudryceras sacya Forbes 1846 ammonite
 Ammonitida - Beudanticeratidae
"Proplacenticeras sutherlandbrowni" = Beudanticeras sutherlandbrowni
"Proplacenticeras sutherlandbrowni" = Beudanticeras sutherlandbrowni McLearn 1972 ammonite
 Ammonitida - Kossmaticeratidae
Marshallites sp. Matsumoto 1955 ammonite
Kossmaticeras canadense McLearn 1972 ammonite
 Ammonitida - Desmoceratidae
Desmoceras (Pseudoughligella) dawsoni Whiteaves 1900 ammonite
Puzosia skidegatensis McLearn 1972 ammonite
 Ammonitida - Lytoceratidae
Ammonoceratites crenocostatus Whiteaves 1876 ammonite
 Ammonitida - Brancoceratidae
Mortoniceras (Deiradoceras) "sp. A" Van Hoepen 1931 ammonite