Also known as Imperobator-type locality, CICYTTP-Pl 293, AC-26
Where: Antarctica (64.0° S, 57.5° W: paleocoordinates 62.3° S, 68.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Diplomoceras lambi ammonoid zone, Cape Lamb Member (Snow Hill Island Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• lower part of member
• bed-level stratigraphic resolution
Environment/lithology: marginal marine; lithified, massive, gray sandstone and lithified, green, yellow, argillaceous, silty mudstone
Size classes: macrofossils, mesofossils, microfossils
Collection methods: bulk, surface (float), hydrochloric, hydroflouric,
Primary reference: J. A. Case, J. E. Martin, and M. A. Reguero. 2007. A dromaeosaur from the Maastrichtian of James Ross Island and the Late Cretaceous Antarctic dinosaur fauna. In A. K. Cooper, C. R. Raymond, & the ISAES Editorial Team (eds.), Antarctica: A Keystone in a Changing World. Online Proceedings of the 10th ISAES. United States Geological Survey and the National Academies. USGS Open-File Report 2007-1047, Short Research Paper 083:1-4 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 75458: authorized by Matthew Carrano, entered by Matthew Carrano on 10.10.2007, edited by Franco Aspromonte and Graeme Lloyd
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Lycopodiopsida | |
| |
Sphenopsida | |
Calamospora sp.2 Schopf et al. | |
Magnoliopsida | |
Angiospermae | |
Peninsulapollis gillii2 Dettmann and Jarzen 1988 | |
| |
Dacrycarpites australiensis2, Microcachrydites antarcticus2, Phyllocladidites mawsonii2, Podocarpidites rugulatus2, Podocarpidites sp.2, Podocarpidites otagoensis2
| |
Pteridopsida | |
| |
Polypodiopsida | |
Trilites parvallatus2 Krutzsch 1959
Cyatheacidites annulatus2 Cookson 1947
Cyatheacidites archangelskii2 Dettmann 1986 | |
| |
Reptilia | |
| |
Imperobator antarcticus n. gen. n. sp.3
| |
Dinophyceae | |
Trichodinium castanea2 Clarke and Verdier 1967 | |
Manumiella seelandica2 Bujak and Davies 1983
Isabelidinium pellucidum2 Lentin and Williams 1977 | |
Phelodinium exilicornutum2 Smith 1992 | |
| |
? Batiacasphaera reticulata2 Davey 1979 | |
Pterodinium cretaceum2 Slimani 2008
Operculodinium radiculatum2 Smith 1992 | |
Paralecaniella indentata2 Cookson and Eisenack 1970 |