Bonteigen Member base, Ramså Formation, Andøya, Norway (Jurassic to of Norway)

Where: Norway (69.2° N, 16.1° E: paleocoordinates 59.4° N, 17.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bonteigen Member (Ramså Formation), Early/Lower Bajocian to Early/Lower Bajocian (171.6 - 168.3 Ma)

• Ramså Formation overlying by mica rich sandstone. Fossils are derived from the basal part of the Bonteigen Member as per the lithostratigraphy of Dalland.

• formation-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; shale and coal

Size classes: macrofossils, microfossils

Preservation: mold/impression, adpression, original carbon, original cellulose

Collection methods: salvage, chemical, mechanical,

• Derived from the basal part of the Bonteigen Member as per the lithostratigraphy of Dalland.

Primary reference: S.B. Manum, M.N. Bose, and J. Os Vigran. 1991. The Jurassic Flora of Andoya, northern Norway. Review of Palaeobotany and Palynology 68:233-256 [C. Looy/W. Puijk/W. Puijk]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 31063: authorized by Cindy Looy, entered by Wilma Puijk on 10.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Oswaldheeria macrophylla
most common species
Oswaldheeria sp.
cf. O. hallei
Ramsaia townrowii
= Allocladus townrowii
Ramsaia cribbii
Allocladus cribbii (basionym)
Ramsaia milneana
Walchia milneana (basionym) = Allocladus milneanus(synonym)
Ramsaia bansaensis
= Allocladus bansaensis
Ramsaia sehoraensis
= Allocladus sehoraensis (basionym)
Ramsaia biswasiana
= Allocladus biswasiana
Ramsaia papillosa
= Allocladus papillosus
Ramsaia patensis
= Allocladus patensis
 Peltaspermales - Umkomasiaceae
Pachypteris sp. Brongniart 1828
cf Pachypteris lanceolata
 Bennettitales -
 Pinales - Taxodiaceae
 Pinales - Sciadopityaceae
 Ginkgoales - Ginkgoaceae
Ginkgo dahlii n. sp. ginkgo
Ginkgo sp. Linnaeus 1771 ginkgo
 Czekanowskiales -
Arctobaiera sp. Florin 1936