8540 (Cretaceous of Antarctica)

Where: Antarctica (63.9° S, 57.8° W: paleocoordinates 68.7° S, 52.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Marambio Group, Cenomanian (100.5 - 93.9 Ma)

Environment/lithology: lithified, fine-grained, medium, pebbly sandstone

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 153426: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 16.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Fungi indet. Jahn and Jahn 1959
Hyphae and fruiting bodies
Nyssapollenites
  -
Nyssapollenites spp. Thiergart 1937
Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Pteridopsida
  -
Trilites spp. Erdtman and Couper 1947
Polypodiaceoisporites elegans Archangelsky and Gamerro 1966
Laevigatosporites ovatus Wilson and Webster 1946
Cyathidites australis Couper 1953
 Osmundales - Osmundaceae
 Gleicheniales - Gleicheniaceae
 Cyatheales -
 Polypodiales -
  -
Lycopsida
  - Selaginellaceae
Densoisporites velatus Dettmann 1963
Ceratosporites equalis Cookson and Dettmann 1958
Perotrilites laceratus Dettmann and Thomson 1987
  - Lycopodiaceae
Retitriletes austroclavatidites Döring et al. 1963
Bryopsida
  -
Magnoliopsida
  -
Tricolporites "sp. A" Cookson 1947
 Magnoliales - Chloranthaceae
  -
Periporopollenites "sp. A" Pflug and Thomson 1953
 Myrtales -
Myrtaceidites eugeniioides Cookson and Pike 1954
 Proteales - Proteaceae
Propylipollis "sp. A" Martin and Harris 1975
Cranwellipollis subpalisadus Martin and Harris 1974
Triporopollenites "sp. A" Pflug and Thomson 1953
 Proteales -
 Fagales -
Nothofagidites senectus Dettmann and Playford 1968
  -
Tricolpites spp. Potonié 1960
Tricolpites gilli Cookson 1957
Maduradinum
  -
Maduradinum sp. Cookson and Eisenack 1970
Maduradinum pentagonum
  -
Maduradinum pentagonum Cookson and Eisenack 1970
Xenikoon
  -
Xenikoon australis Cookson and Eisenack 1960
 Gymnospermophyta -
 Peridiniales - Peridiniaceae
Spinidinium cf. lanterna Cookson and Eisenack 1970
Dinophyceae
 Gonyaulacales -
Chlamydophorella cf. discreta Clarke and Verdier 1967
 Gonyaulacales - Ceratiaceae
Odontochitina "sp. A" Deflandre 1960
 Gonyaulacales - Gonyaulacaceae
Heterosphaeridium sp. Cookson and Eisenack 1969
Heterosphaeridium heteracanthum Eisennack and Kjellström 1972
Oligosphaeridium pulcherrimum Davey and Williams 1966
Nelsoniella tuberculata
  -
Nelsoniella tuberculata Cookson and Eisenack 1960