R.551.4 (Cretaceous to of Antarctica)

Where: Antarctica (63.5° S, 56.2° W: paleocoordinates 67.9° S, 48.6° W)

• outcrop-level geographic resolution

When: Gustav Group, Albian to Albian (113.0 - 93.9 Ma)

Environment/lithology: lithified, bioturbated, green, sandy siltstone

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Reposited in the BMNH

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

Primary reference: M. E. Dettmann and M. R. A. Thomson. 1987. Cretaceous palynomorphs from the James Ross Island area, Antarctica - A pilot Study. British Antarctic Survey Bulletin (77)13-59 [C. Jaramillo/P. Santamarina/P. Santamarina]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 153423: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 16.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Cyclusphaera radiata Archangelsky 1983
Pteridopsida
  -
Trilites spp. Erdtman and Couper 1947
Cyathidites australis Couper 1953
 Schizaeales -
 Gleicheniales - Gleicheniaceae
 Cyatheales -
  -
Osmundacidites spp. Couper 1953
Lycopsida
  - Lycopodiaceae
Retitriletes austroclavatidites Döring et al. 1963
 Gymnospermophyta -
Alisporites similis Dettmann 1963
Alisporites grandis Dettmann 1963
Canninginopsis denticulata
  -
Canninginopsis denticulata Cookson and Eisenack 1962
 Peridiniales - Peridiniaceae
Ascodinium ovale Cookson and Eisenack 1970
Dinophyceae
  -
Spiniferites ramosus Lentin and Williams 1973
 Gonyaulacales -
Chlamydophorella nyei Cookson and Eisenack 1958
 Gonyaulacales - Ceratiaceae
Odontochitina costata Alberti 1961
Odontochitina singhii Morgan 1980
Odontochitina operculata Deflandre and Cookson 1955
Pseudoceratium turneri Cookson and Eisenack 1958
Xenascus australensis Cookson and Eisenack 1969
 Gonyaulacales -
 Gonyaulacales - Gonyaulacaceae
Kiokansium polypes Below 1982
Heterosphaeridium heteracanthum Eisennack and Kjellström 1972
Oligosphaeridium complex Davey and Williams 1966
Coronifera oceanica Cookson and Eisenack 1958
  -
Diconodinium cristatum Cookson and Eisenack 1974
Disphaera
  -
Disphaera macropyla Cookson and Eisenack 1960
Balmeiopsis limbatus
  -
Balmeiopsis limbatus Archangelsky 1977