Queen Charlotte Islands, B.C., Maude Formation (Locality 534) (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

• dark gray calcilutite bed 10 inches (26 cm) thick with abundant Radiolaria; 274.5 ft (83.6 m) above the contact with the Maude Formation (based on text-fig 3A and description for other localities, this bed is probably 274.5 ft above the BASE of the Maude Fm.)

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 32726: authorized by Arnold Miller, entered by Karen Layou on 14.07.2003, edited by Adam Kocsis

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundance data given as rare (1-2 specimens); common (3-6 specimens); abundant (6+ specimens). Data entered using conservative values of 1, 3, and 6 for rare, common and abundant, respectively.
Protozoa
 Nassellaria - Parvicingulidae
Wrangellium "sp. A"2 Pessagno and Whalen 1982 radiolarian
Canoptum sp.2 Pessagno et al. 1979 radiolarian
 Nassellaria - Hsuidae
Hsuum "sp. A"2 Pessagno 1977 radiolarian
Hsuum "sp. D"2 Pessagno 1977 radiolarian
Hsuum mulleri n. sp.2 Pessagno and Whalen 1982 radiolarian
 Nassellaria - Bagotidae
Droltus sp.2 Pessagno and Whalen 1982 radiolarian
Droltus hecatensis n. sp.2 Pessagno and Whalen 1982 radiolarian
Noritus "sp. A"2 Pessagno and Whalen 1982 radiolarian
Noritus lillihornensis n. sp.2 Pessagno and Whalen 1982 radiolarian
Canutus sp.2 Pessagno and Whalen 1982 radiolarian
Canutus hainaensis n. sp.2 Pessagno and Whalen 1982 radiolarian
Canutus blomei2 Pessagno and Whalen 1982 radiolarian
Canutus ex gr. tipperi1 Pessagno and Whalen 1982 radiolarian
Bagotum sp.2 Pessagno and Whalen 1982 radiolarian
Bagotum erraticum2 Pessagno and Whalen 1982 radiolarian
Bagotum aff. erraticum2 Pessagno and Whalen 1982 radiolarian
Bagotum maudense n. sp.2 Pessagno and Whalen 1982 radiolarian
 Spumellaria - Pantanelliidae
Gorgansium sp. Pessagno and Blome 1980 radiolarian
Pantanellium cumshewaense n. sp. radiolarian
Pantanellium haidaense n. sp. radiolarian
Pantanellium sp. Pessagno 1977 radiolarian
Zartus mostleri n. sp. radiolarian