Queen Charlotte Islands, B.C. Maude Formation (Locality 537) (Jurassic of Canada)

Where: British Columbia, Canada (53.0° N, 132.0° W: paleocoordinates 2.1° N, 126.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Maude Formation, Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; gray lime mudstone

• six inch bed of gray calcilutite 3 ft below horizon with coarse tuffaceous sandstones and 297.5 ft above the base of the Maude

Size class: microfossils

Primary reference: E. A. Pessagno, Jr. and C.D. Blome. 1980. Upper Triassic and Jurassic Pantanelliinae from California, Oregon, and British Columbia. Micropaleontology 26(3):225-273 [A. Miller/K. Layou/D. Schramm]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32749: authorized by Arnold Miller, entered by Karen Layou on 14.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundance data given as rare (1-2 specimens); common (3-5 specimens); and abudant (6+ specimens). Data recorded as 1, 3, 6 specimens for rare, common, and abundant, respectively.
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Protozoa
 Nassellaria - Parvicingulidae
Wrangellium "sp. A", Wrangellium "sp. A", Canoptum sp.
Wrangellium "sp. A" Pessagno and Whalen 1982 radiolarian
Wrangellium "sp. A" Pessagno and Whalen 1982 radiolarian
Canoptum sp. Pessagno et al. 1979 radiolarian
 Nassellaria - Hsuidae
Hsuum "sp. A", Hsuum "sp. D", Hsuum mulleri
Hsuum "sp. A" Pessagno 1977 radiolarian
Hsuum "sp. D" Pessagno 1977 radiolarian
Hsuum mulleri Pessagno and Whalen 1982 radiolarian
 Nassellaria - Bagotidae
Droltus sp., Droltus hecatensis, Noritus lillihornensis, Noritus lillihornensis, Canutus sp., Canutus blomei, Canutus giganteus, Canutus hainaensis
Droltus sp. Pessagno and Whalen 1982 radiolarian
Droltus hecatensis Pessagno and Whalen 1982 radiolarian
Noritus lillihornensis Pessagno and Whalen 1982 radiolarian
Noritus lillihornensis Pessagno and Whalen 1982 radiolarian
Canutus sp. Pessagno and Whalen 1982 radiolarian
Canutus blomei Pessagno and Whalen 1982 radiolarian
Canutus giganteus Pessagno and Whalen 1982 radiolarian
Canutus hainaensis Pessagno and Whalen 1982 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium cumshewaense, Pantanellium sp., Gorgansium sp., Zartus mostleri
Pantanellium sp. Pessagno 1977 radiolarian
Gorgansium sp. Pessagno and Blome 1980 radiolarian
Zartus mostleri radiolarian