Neill Cl. Liverwort (Jurassic of Greenland)

Also known as Thaumatopteris Zone

Where: Greenland (70.5° N, 22.6° W: paleocoordinates 52.1° N, 5.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Thaumopteris zone, Cape Stewart Formation, Early/Lower Jurassic (201.4 - 174.7 Ma)

• 20-25 m below top of plant bearing beds in 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: bulk, 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 23955: authorized by Allister Rees, entered by Dave Sunderlin on 24.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Equisetales - Equisetidae
  - Gleicheniaceae
  - Osmundaceae
 Gleicheniales - Polypodiidae
  - Polypodiaceae
Pteridopsida
  -
 Bennettitales -
Sphenopsida
  -
Ginkgoopsida
 Czekanowskiales -
 Ginkgoales -
 Caytoniales -
Ginkgoites
  -
Storgaardia spectabilis
  -
Swedenborgia
  -
Swedenborgia spp. Nathorst 1876
Peltaspermopsida
 Peltaspermales - Umkomasiaceae
"Stenopteris dinosaurensis" = Rhaphidopteris
"Stenopteris dinosaurensis" = Rhaphidopteris