Quantico Locality: Early/Lower Albian, Virginia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Arthropoda indet. Latreille 1829
Plecoptera?
Polypodiopsida - Equisetales - Equisetaceae
Equisetum sp. root Linnaeus 1753
Rhizome of ?Equisetum
Equisetum cf. lyellii axis Mantell
Mantell
unclassified
Spermatophyta informal Diaspore type 1 seed/fruit
Spermatophyta informal Diaspore type 2 seed/fruit
Spermatophyta informal Diaspore type 3 seed/fruit
Spermatophyta informal Diaspore type 4 seed/fruit
Magnoliopsida
aff. Kenella sp. seed/fruit Samylina 1968
Samylina
Dicotylophyllum informal sp. 1 leaf Saporta 1894
cf. D. argillaceum (Velenovsky) Vakhrameev
Dicotylophyllum informal sp. 2 leaf Saporta 1894
cf. "Magnolia" amplifolia Heer?
Dicotylophyllum informal sp. 3 leaf Saporta 1894
aff. Didromophyllum Upchurch & Dilcher?
Dicotylophyllum informal sp. 4 leaf Saporta 1894
Dicotylophyllum ovatodecurrens n. sp. leaf Upchurch et al. 1994
Coniferales
Coniferales indet. axis
Conifer shoot, genus not determined
cf. Abietites longifolius leaf (Berry 1911)
original and current combination Leptostrobus longifolius
(Fontaine) Berry Indeterminate leaves
Pinopsida - Pinales - Taxaceae
Athrotaxopsis sp. fertile axis, leaf Fontaine 1889
Pinopsida - Pinales - Pinaceae
Pinaceae informal Winged seed type 1 seed/fruit
Pinaceae informal Winged seed type 2 seed/fruit
Pinopsida - Pinales - Taxodiaceae
Sphenolepis sternbergiana fertile axis, leaf Schenk 1871
(Dunker) Schenk
Angiospermae - Laurales
Landonia cf. calophylla leaf Upchurch and Dilcher 1990
Upchurch & Dilcher
aff. Pabiania informal sp. 1 leaf Upchurch and Dilcher 1990
Angiospermae - Proteales - Platanaceae
? Platanaceae indet. leaf Lestiboudois 1826
Fragments of platanoid foliage
Angiospermae - Nymphaeales - Nymphaeaceae
Nelumbites extenuinervis n. sp. leaf Upchurch et al. 1994
Nelumbites cf. minimus leaf Vakhrameev
Vakhrameev
Angiospermae - Sapindales - Sapindaceae
Sapindopsis informal cf. magnifolia/variabilis leaf
Fontaine: entered using old "informal cf." modifier
Sapindopsis minutifolia n. sp. leaf Upchurch et al. 1994
Cycadopsida - Cycadales - Cycadaceae
Dichotozamites cycadopsis leaf (Fontaine 1889)
original and current combination Sequoia cycadopsis
(Fontaine) Berry Seed Plants, Division Unknown
unclassified
Tracheophyta indet. axis
Stem with intercalary swelling
Equisetopsida - Araucariaceae
Araucarites aquiensis non-seed repro Fontaine
Fontaine
Brachyphyllum crassicaule axis Fontaine
Fontaine
Equisetopsida - Cheirolepidiaceae
Pseudofrenelopsis parceramosa axis, leaf Watson
(Fontaine) Watson
see common names

Geography
Country:United States State/province:Virginia County:Stafford
Coordinates: 38.5° North, 77.3° West (view map)
Paleocoordinates:31.9° North, 35.0° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Albian 10 m.y. bin:Cretaceous 4
*Period:Early/Lower Cretaceous
Key time interval:Early/Lower Albian
Age range of interval:113.00000 - 109.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Potomac
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified claystone
Geology comments: Upchurch, Crane, & Drinnan (1994) 6444; The Quantico plant locality and other exposures of Potomac Group rocks on the Quantico Marine base are characterized by a predominance of cross-bedded sands that show the fining-upwards sequence, and show features characteristic of pond and swale enviornments, as sugessted by Hickey and Doyle (1977)
Taphonomy
Modes of preservation:cast,adpression
Size of fossils:macrofossils
Preservation of anatomical detail:excellent
Temporal resolution:snapshot
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:20897
Authorizer:H. Sims Enterer:H. Lindon, J. Cassara
Modifier:H. Sims Research group:paleobotany
Created:2002-06-12 07:15:16 Last modified:2014-02-26 19:48:54
Access level:the public Released:2002-06-12 07:15:16
Creative Commons license:CC BY
Reference information

Primary reference:
6444. G. R. Upchurch, P. R. Crane, and A. N. Drinnan. 1994. The Megaflora from the Quantico Locality (Upper Albian), Lower Cretaceous Potomac Group of Virginia. Virginia Museum of Natural History 4:1-57 [H. Sims/H. Lindon/J. Cassara]