Allan Hills (Triassic of Antarctica)

Where: Antarctica (76.7° S, 159.7° E: paleocoordinates 66.3° S, 87.5° E)

• coordinate stated in text

• local area-level geographic resolution

When: C Member (Lashly Formation), Carnian (237.0 - 228.0 Ma)

• Palynomorphs found in Member C of Lashly Formation suggest a Carnian age (see Collection No. 107212)

• member-level stratigraphic resolution

Environment/lithology: fluvial; shale

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Museum of Texas Tech University, Lubbock, Texas, USA (TTU)

Primary reference: S. Chatterjee, R. Tewari, and D. Agnihotri. 2013. A Dicroidium flora from the Triassic of Allan Hills, South Victoria Land, Transantarctic Mountains, Antarctica. Alcheringa 37(2):209-221 [A. Dunhill/B. Allen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 207741: authorized by Alex Dunhill, entered by Bethany Allen on 28.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Gymnospermopsida
 Corystospermales - Corystospermaceae
Dicroidium coriaceum dutoitii
TTU-ATP 209, 210, 213, 214B, 216, 223, 224, 236, 328
Polypodiopsida
 Equisetales - Equisetidae
Calamitaceae indet.
TTU-ATP 202, 220
Calamites aliwalensis Anderson and Anderson 1985
TTU-ATP 181
Neocalamites carreri
TTU-ATP 203
Neocalamites sp. Halle 1908
TTU-ATP 164, 167, 205, 214A, 333A
Pinopsida
 Pinales -
Heidiphyllum elongatum Morris 1845
TTU-ATP 245, 246, 252B, 311, 312
unclassified
  -
Gymnospermopsida
 Corystospermales - Corystospermaceae
Dicroidium fremouwensis Pigg 1990
TTU-ATP 306A
Dicroidium crassinervis Geinitz 1876
TTU-ATP 238, 250
Dicroidium odontopteroides Morris 1845
TTU-ATP 206, 208-211, 213, 215, 216, 218, 225, 228, 229, 234, 247, 252A, 255, 264, 272, 274, 279, 281, 292B, 303A&B
Pteruchus sp. Thomas 1933
TTU-ATP 227
Peltaspermopsida
 Peltaspermales - Matatiellaceae
Townrovia polaris Bomfleur et al. 2011
TTU-ATP 325B
Matatiella dejerseyi Bomfleur et al. 2011
TTU-ATP 226A&B, 325