Allon: Late/Upper Santonian, Georgia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Eopolytrichum antiquum n. gen., n. sp.
Konopka et al. 1997
Campylopodium allonense n. gen., n. sp.
Konopka et al. 1998
Pteridophyte informal Type 1 leaf
"Fern leaf Type 1"
Pteridophyte informal Type 2 leaf
"Fern leaf Type 2"
Antiquacupula sulcata n. gen., n. sp. seed repro
Sims et al. 1998
"Fagaceae sensu lato"
Caryanthus sp. flower
Sims et al. 1999
"cf. Juglandales/Myricales (family incertae sedis)"
Bedellia pusilla n. gen., n. sp.
Sims et al. 1999
"cf. Betulaceae"
Tracheophyta informal Root with nodules? root
"Root with nodules?"
Polypodiopsida - Gleicheniaceae
cf. Boodlepteris sp. leaf Gandolfo et al. 1997
unclassified
Spermatophyta informal Miscelaneous axes with attached leaves/bracts, type 1 leaf
"Miscelaneous axes with attached leaves/bracts, type 1"
Spermatophyta informal Miscelaneous axes with attached leaves/bracts, type 2 axis
"Miscelaneous axes with attached leaves/bracts, type 2"
Spermatophyta informal Axis with pinnate bracts axis
"Axis with pinnate bracts"
Spermatophyta informal Miscellaneous seed type 1 seed/fruit
"Miscellaneous seed type 1"
Spermatophyta informal Miscellaneous seed type 2 seed/fruit
"Miscellaneous seed type 2"
Spermatophyta informal Miscellaneous seed type 3 seed/fruit
"Miscellaneous seed type 3"
Angiospermae
Angiospermae informal Slender epigynous flower flower
"Slender epigynous flower"
Angiospermae informal Epigynous flower with spherical ovary flower
"Epigynous flower with spherical ovary"
Angiospermae informal Flower with very broad perianth parts and coarse fimbriate trichomes flower
"Flower with very broad perianth parts and coarse fimbriate trichomes"
Angiospermae informal Ovate fruit seed/fruit
"Ovate fruit"
cf. Angiospermae informal Bicarpellate superior fruit leaf
"Bicarpellate superior fruit"
Angiospermae informal Epigynous flower with rounded sepals flower
"Epigynous flower with rounded sepals"
Angiospermae informal Immature bicarpellate fruit seed/fruit
"Immature bicarpellate fruit"
cf. Angiospermae informal Inflorescence with trimerous flowers flower
"Inflorescence with trimerous flowers"
Angiospermae informal Strobiloid spicate axis axis
"Strobiloid spicate axis"
Angiospermae informal Spherical capitate inflorescence fertile axis
"Spherical capitate inflorescence"
Angiospermae informal Dicot leaf type 1 leaf
"Dicot leaf type 1"
Angiospermae informal Dicot leaf type 2 leaf
"Dicot leaf type 2"
Angiospermae informal Dicot leaf type 3 leaf
"Dicot leaf type 3"
Angiospermae informal Dicot leaf type 4 leaf
"Dicot leaf type 4"
Angiospermae informal Dicot leaf type 5 leaf
"Dicot leaf type 5"
Angiospermae informal Dicot leaf type 6 leaf
"Dicot leaf type 6"
Angiospermae informal Dicot leaf type 7 leaf
"Dicot leaf type 7"
Angiospermae informal Dicot leaf type 8 leaf
"Dicot leaf type 8"
Angiospermae - Ericales - Actinidiaceae
Parasaurauia allonensis n. gen., n. sp. flower Keller et al. 1996
Keller et al. 1996
Angiospermae - Pandanales - Triuridaceae
cf. Triuridaceae indet. Gardner 1843
Trimerous staminate flower
Angiospermae
cf. Detrusandra sp. Crepet and Nixon 1998
Angiospermae - Laurales - Lauraceae
Mauldinia sp. Drinnan et al. 1990
Angiospermae
Eudicot informal Pentamerous flower with inferior ovary flower
"Pentamerous flower with inferior ovary"
aff. Eudicot informal Pentamerous flower with semi-inferior ovary flower
"Pentamerous flower with semi-inferior ovary"
Eudicot informal Flower with lobed petals flower
"Flower with lobed petals"
Eudicot informal Trimerous flower with numerous coarse trichomes flower
"Trimerous flower with numerous coarse trichomes"
Eudicot informal Capitate inflorescence of pentamerous flowers flower
"Capitate inflorescence with pentamerous flowers"
Eudicot informal Flower with pentamerous perianth and trimerous gynoecium flower
"Flower with pentamerous perianth and trimerous gynoecium"
Eudicot informal Flower with pentamerous calyx composed of thick valvate sepals flower
"Flower with pentamerous calyx composed of thick valvate sepals"
Eudicot informal Pentamerous flower with bracteoles flower
"Pentamerous flower with bracteoles"
Angiospermae - Ericales - Ericales
cf. Ericales informal Flower with stellate trichomes, Type 1 flower
"cf. Ericales. Flower with stellate trichomes, Type 1"
cf. Ericales informal Flower with stellate trichomes, Type 2 flower
"cf. Ericales. Flower with stellate trichomes, Type 2"
cf. Ericales informal Fruits bearing large peltate trichomes seed/fruit
"Fruits bearing large peltate trichomes"
Angiospermae
Eudicot informal Flower with spindle-shaped inferior ovary flower
"Flower with spindle-shaped inferior ovary"
    = Noferinia fusicarpa n. gen., n. sp.
Lupia et al. 2002
Angiospermae - Saxifragales - Altingiaceae
cf. Altingioideae indet. flower Reinsh 1890
"cf. subfamily Altingioideae, Hamamelidaceae. Capitate inflorescece"
Angiospermae - Saxifragales - Hamamelidaceae
cf. Hamamelidaceae indet. flower Brown 1818
"cf. Hamamelidaceae. Flower with apically connate stamen connectives
    = Androdecidua endressii n. gen., n. sp. flower Magallon et al. 2001
Magallon et al. 2001
Allonia decandra n. gen., n. sp. flower ()
Magallon-Puebla et al. 1996
Angiospermae
Monocotyledonae indet. flower ()
spelled with current rank as Monocotyledoneae
Tricarpellate flower
Monocotyledonae informal Foliage Type 1 leaf
spelled with current rank as Monocotyledoneae
"Monocot leaf Type 1"
Monocotyledonae informal Foliage Type 2 leaf
spelled with current rank as Monocotyledoneae
"Monocot leaf Type 2"
Angiospermae - Fagales
Fagales informal Normapolles flower Type A flower
Sims et al. 1999
"Normapolles flower Type A"
Angiospermae - Fagales - Fagaceae
Protofagacea allonensis n. gen., n. sp. flower Herendeen et al. 1995
"Fagaceae sensu lato"
Protofagacea allonensis leaf Herendeen et al. 1995
Crane and Herendeen 1996
Coniferales
Coniferales informal Foliage Type 1 leaf
"Conifer foliage Type 1 (cf. Brachyphyllum Brongniart)
Coniferales informal Foliage Type 2 leaf
"Conifer foliage Type 2"
Coniferales informal Foliage Type 4 leaf
"Conifer foliage Type 4 (cf. Brachyphyllum Brongniart)"
Coniferales indet. axis
Conifer pollen cone and dispersed cone scales
Pinopsida - Pinales - Taxodiaceae
cf. Taxodiaceae informal Foliage Type 3 leaf
"Conifer foliage Type 3"
see common names

Geography
Country:United States State/province:Georgia County:Crawford
Coordinates: 32.6° North, 84.0° West (view map)
Paleocoordinates:32.3° North, 53.1° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Santonian 10 m.y. bin:Cretaceous 6
*Period:Late/Upper Cretaceous
*International age/stage:Late/Upper Santonian
Key time interval:Late/Upper Santonian
Age range of interval:86.30000 - 83.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Gailard Member:Buffalo Creek
Stratigraphic resolution:bed
Stratigraphy comments: Age is based on the presence of terrestrial palynomorphs that are considered to be biostratigraphically equivalent to those in marine units assigned to the Late Santonian based on calcareous nannofossil zone CC17 (R. Christopher unpublished data). Herendeen et al. 1999: 410.
Lithology and environment
Primary lithology: unlithified claystone
Secondary lithology:"cross stratification" unlithified sandstone
Includes fossils?Y
Lithology description: Fossil preserved in clay lens within cross-bedded sands
Environment:fine channel fill
Taphonomy
Modes of preservation:adpression,charcoalification,original carbon,original sporopollenin
Size of fossils:macrofossils,mesofossils,microfossils
Articulated whole bodies:none
Disassociated major elements:some
Disassociated minor elements:many
Collection methods and comments
Collection excludes:some macrofossils,some microfossils
Collection methods:bulk,sieve,field collection
Maximum sieve size:0.500
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Does not include the palynoflora.
Metadata
Database number:28320
Authorizer:H. Wang Enterer:H. Wang, M. Arakaki
Modifier:H. Wang Research group:paleobotany
Created:2003-02-07 08:35:32 Last modified:2003-12-11 14:46:53
Access level:the public Released:2003-02-07 08:35:32
Creative Commons license:CC BY
Reference information

Primary reference:

7770. P. S. Herendeen, S. Magallon-Puebla, R. Lupia, P. R. Crane, and J. Kobylinska. 1999. A prelimimary conspectus of the Allon flora from the Late Cretaceous (Late Santonian) of central Georgia, U.S.A. Annals of the Missouri Botanical Garden 89(2):407-471 [H. Wang/H. Wang/H. Wang]

Secondary references:

8501 P. R. Crane and P. S. Herendeen. 1996. Cretaceous floras containing angiosperm flowers and fruits from eastern North America. Review of Palaeobotany and Palynology 90:319-337 [H. Wang/M. Arakaki/M. Arakaki]
7772 J. A. Keller, P. S. Herendeen, and P. R. Crane. 1996. Fossil flowers and fruits of the Actinidiaceae from the Campanian (Late Cretaceous) of Georgia. American Journal of Botany 83(4):528-541 [H. Wang/H. Wang/R. Lupia]
7773 A. S. Konopka, P. S. Herendeen, G. L. Smith Merrill and P. R. Crane. 1997. Sporophytes and gametophytes of Polytrichaceae from the Campanian (Late Cretaceous) of Georgia. International Journal of Plant Sciences 158:489-499 [H. Wang/H. Wang/P. Wagner]
7774 A. S. Konopka, P. S. Herendeen, and P. R. Crane. 1998. Sporophytes and gametophytes of Dicranaceae from the Santonian (Late Cretaceous) of Georgia. American Journal of Botany 85:714-723 [H. Wang/H. Wang/H. Wang]
7775 S. Magallon-Puebla, P. S. Herendeen, and P. K. Endress. 1996. Allonia decandra: Floral remains of the tribe Hamamelideae (Hamamelidaceae) from Campanian strata of southeastern USA. Plant Systematics and Evolution 202:177-198 [H. Wang/H. Wang/R. Lupia]
6941 H. J. Sims, P. S. Herendeen, and P. R. Crane. 1998. New genus of fossil Fagaceae from the Santonian (Late Cretaceous) of central Georgia, U.S.A. International Journal of Plant Sciences 159(2):391-404 [H. Sims/H. Sims/H. Sims]
6942 H. J. Sims, P. S. Herendeen, R. Lupia, R.A. Christopher, and P. R. Crane. 1999. Fossil flowers with Normapolles pollen from the Upper Cretaceous of southeastern North America. Review of Palaeobotany and Palynology 106:131-151 [H. Sims/H. Sims/M. Uhen]