Skua Bay assemblage (Cretaceous to of Antarctica)

Where: Antarctica (62.2° S, 59.0° W: paleocoordinates 60.1° S, 69.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Half Three Point Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, tuffaceous, sandy sandstone and lithified, tuffaceous, muddy mudstone

Size classes: macrofossils, microfossils

Preservation: mold/impression, original carbon, original sporopollenin, original cellulose, replaced with other

Collection methods: bulk, chemical, mechanical, hydrochloric, hydroflouric,

• All type and figured material is housed in the Museum of Paleontology, Antarctic Section, Vale do Rio dos Sinos University (UNISINOS).

Primary reference: T. L. Dutra and D. J. Batten. 2000. Upper Cretaceous floras of King George Island, West Antarctica, and their palaeoenvironmental and phytogeographic implications. Cretaceous Research (21)181-209 [C. Jaramillo/P. Santamarina]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 150273: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 05.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Asteroidea
 Valvatida - Oreasteridae
cf. Culcita "sp." Presl 1836 sea star
Angiospermae
 Malvales - Malvaceae
Sterculia washburnii Berry 1928 tropical chestnut
 Sapindales - Anacardiaceae
 Fabales - Fabaceae
aff. Cassia "sp. 3" Linnaeus 1753 legume
in Berry, 1922
 Fagales - Myricaceae
? Myrica mira Berry 1925 bayberry
affinities also with Phyllites sp. 14 in Dusén, 1908
 Fagales - Nothofagaceae
Nothofagus "sp." Blume 1850
aff. N. cretacea Zastawniak, 1994
 Rosids - Moraceae
Ficophyllum palustris Cantrill 1996 mulberry
Ficophyllum skuaensis Dutra and Batten 2000 mulberry
 Laurales - Atherospermataceae
aff. Laurelia "spp." Jussieu 1809
in Berry, 1938
 Laurales - Monimiaceae
Magnoliopsida
  -
aff. Dicotylophyllum "sp. 3" Saporta 1894
of Zastawniak (1994) and Goeppertia Engelhardt, 1891
 Coniferales - Podocarpaceae
Phyllocladus aff. aspleniifolius Hooker 1845 podocarp
similar to P. aberensis Hill, 1989a
Podocarpus "sp." L'Heritier and Persoon 1807 podocarp
Phyllites
  -
Phyllites "sp. 1" Brongniart 1822
Phyllites "sp. 2" Brongniart 1822
similar to Dicotylophyllum latitrilobatum Zastawniak, in Birkenmajer & Zastawniak, 1989b, and Sterculia washburnii Berry, 1928 in Dutra, 1997b
Polypodiopsida
  - Osmundaceae
? Osmunda "sp." Linnaeus 1753
similar to ‘Alsophila’ or Polypodium sp. in Czajkowski & Rösler, 1986,
 Cyatheales - Polypodiidae
cf. Thyrsopteris elegans Kunze 1818
similar to remains of Pteridophyta in Zastawniak, 1981
Sterculiaephyllum australis
  -
Sterculiaephyllum australis Dutra and Batten 2000
sp. nov.