D.3030.3 (Cretaceous to of Antarctica)

Where: Antarctica (63.9° S, 57.9° W: paleocoordinates 61.8° S, 68.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Marambio Group, Campanian to Campanian (83.6 - 66.0 Ma)

Environment/lithology: lithified, calcareous siltstone

• The sample is a calcareous siltstone with macerated plant debris, from a concretion surrounding a specimen of ammonite.

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 153427: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 16.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chlorophyceae
  -
Botryococcus spp. Kutzing 1849
Phimopollenites
  -
Nyssapollenites
  -
Nyssapollenites spp. Thiergart 1937
Asteropollis asteroides
  -
Asteropollis asteroides Hedlund and Norris 1968
Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Cycadopites
  -
Cycadopites nitidus de Jersey 1964
Foveogleicheniidites confossus
  -
Pteridopsida
  -
Trilites spp. Erdtman and Couper 1947
Cyathidites "sp. A" Couper 1953
Cyathidites australis Couper 1953
Cyathidites asper Dettmann 1963
 Schizaeales -
 Schizaeales - Schizaeaceae
Biretisporites "sp. A" Delcourt et al. 1963
 Gleicheniales - Gleicheniaceae
 Cyatheales -
  -
Lycopsida
  - Selaginellaceae
Densoisporites velatus Dettmann 1963
Perotrilites laceratus Dettmann and Thomson 1987
  - Lycopodiaceae
Retitriletes austroclavatidites Döring et al. 1963
Bryopsida
  -
Stereisporites viriosus Dettmann and Playford 1968
Stoverisporites microverrucatus
  -
Dicotyledonae
  -
Triorites minor Couper 1953
Magnoliopsida
  -
Tricolpites spp. Potonié 1960
 Gymnospermophyta -
Alisporites similis Dettmann 1963
Alisporites grandis Dettmann 1963
 Peridiniales - Peridiniaceae
Isabelidinium cretaceum Lentin and Williams 1977
Spinidinium cf. echinoideum Lentin and Williams 1976
Chatangiella serratula Lentin and Williams 1976
Chatangiella tripartita Lentin and Williams 1976
Dinophyceae
  -
Spiniferites ramosus Lentin and Williams 1973
 Gonyaulacales -
Chlamydophorella nyei Cookson and Eisenack 1958
Chlamydophorella cf. discreta Clarke and Verdier 1967
 Gonyaulacales - Ceratiaceae
Odontochitina costata Alberti 1961
Odontochitina porifera Cookson 1956
Xenascus australensis Cookson and Eisenack 1969
 Gonyaulacales - Areoligeraceae
Cyclonephelium distinctum Deflandre and Cookson 1955
 Gonyaulacales - Gonyaulacaceae
Kiokansium polypes Below 1982
Heterosphaeridium heteracanthum Eisennack and Kjellström 1972
Oligosphaeridium pulcherrimum Davey and Williams 1966
? Stephodinium "sp. A" Deflandre 1936
 Ptychodiscales - Ptychodiscaceae
  -
Diconodinium cristatum Cookson and Eisenack 1974
Disphaera
  -
Disphaera macropyla Cookson and Eisenack 1960
Manumiella lata
  -
Manumiella lata Bujak and Davies 1983