Croyden (Paleocene of the United Kingdom)

Also known as Woolwich Beds - Croyden

Where: England, United Kingdom (51.4° N, 0.1° W)

• Paleocoordinates: 41.5° N, 8.2° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Woolwich Formation, Thanetian (59.2 - 56.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; unlithified claystone and lithified, argillaceous sandstone

• Reading beds = fluvial equivalent of nearshore marine Woolwich beds; the two being time eqivalent

Size class: mesofossils

Preservation: original carbon, replaced with pyrite

Collection methods: bulk, surface (float), sieve,

Primary reference: M. E. J. Chandler. 1964. The Lower Tertiary Floras of Southern England. IV. A summary and survey of findings in the light of recent botanical observations. [B. Tiffney/B. Tiffney/B. Tiffney]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 21218: authorized by Bruce Tiffney, entered by Bruce Tiffney on 20.06.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Pinopsida
 Pinales - Pinaceae
Pinus sp.
Pinus sp. Linnaeus 1753 pine
 Coniferales - Cupressaceae
Libocedrus adpressa, Cupressistrobus gardneri, Sequoia sp., Sequoia couttsiae
Libocedrus adpressa Gardner 1883 cypress
Cupressistrobus gardneri Chandler 1961 cypress
Sequoia sp. Endlicher 1847 coast redwood
Sequoia couttsiae Heer 1862 coast redwood
Angiospermae
 Fabales - Fabaceae
Leguminosites sp., Leguminosites gardneri
Leguminosites sp. Bowerbank 1840 legume
Leguminosites gardneri Chandler 1961 legume
 Fagales - Betulaceae
Carpinus davisi
Carpinus davisi Chandler 1961 hornbeam
 Fagales - Fagaceae
Quercinium porosum
 Poales - Cyperaceae
Caricoidea obovata
Caricoidea obovata Chandler 1961 sedge
 Poales - Poaceae
"Gramineae indet." = Poaceae
"Gramineae indet." = Poaceae Barnhart 1895 true grass
 Saxifragales - Hamamelidaceae
Hamamelidaceae indet., Liquidambar palaeocenica
Hamamelidaceae indet. Brown 1818 witch-hazel
Liquidambar palaeocenica Chandler 1961 sweetgum
 Laurales - Lauraceae
Laurocarpum sp.
Laurocarpum sp. Reid and Chandler 1933 laurel
 Nymphaeales - Nymphaeaceae
? Palaeonymphaea sp.
? Palaeonymphaea sp. Chandler 1961 water lily
Polypodiopsida
 Schizaeales - Polypodiidae
Anemia subcretacea, Lygodium prestwichi, Lygodium sp.
Anemia subcretacea Gard and Ett 1880
Lygodium prestwichi climbing fern
Lygodium sp. Swartz 1800 climbing fern
 Equisetales - Equisetidae
Equisetum sp.
Equisetum sp. Linnaeus 1753 horsetail