ammonites
Astarte "F" (Jurassic of Greenland)

Also known as Thaumatopteris Zone

Where: Greenland (70.5° N, 22.6° W: paleocoordinates 52.0° N, 4.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Thaumopteris zone, Cape Stewart Formation, Early/Lower Jurassic (201.6 - 175.6 Ma)

• 32 m below top of plant bearing beds of Cape Stewart Formation

• bed-level stratigraphic resolution

Environment/lithology: deltaic; yellow sandstone and shale

• lagoonal facies formed by disused parts of river channels where much finer sediments were deposited

Size classes: macrofossils, microfossils

Preservation: adpression

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: T. M. Harris. 1937. Stratigraphic relations of the plant beds. The Fossil Flora of Scoresby Sound, East Greenland [A. Rees/D. Sunderlin/D. Sunderlin] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23952: authorized by Allister Rees, entered by Dave Sunderlin on 24.07.2002