northwest of Fortress Hill, El Morro (Cretaceous of Antarctica)

Also known as The Naze, locality 3

Where: Antarctica (63.9° S, 57.5° W: paleocoordinates 62.3° S, 68.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Cape Lamb Member (Snow Hill Island Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• lower part of member. Although "associated with" plesiosaur bones and invertebrates, the stratigraphic chart in Fig. 1 indicates these are from lower levels than the ornithopod.

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; concretionary, green sandstone

• "gren sandstones"

Size class: macrofossils

Collected by J. Lirio, H. Nuñez, M. Motta, F. Novas in the 2000s

Collection methods: surface (float),

Primary reference: S. Rozadilla, F. L. Agnolin, F. E. Novas, A. M. Aranciaga Rolando, M. J. Motta, J. M. Lirio, and M. P. Isasi. 2016. A new ornithopod (Dinosauria, Ornithischia) from the Upper Cretaceous of Antarctica and its palaeobiogeographical implications. Cretaceous Research 57:311-324 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176012: authorized by Matthew Carrano, entered by Matthew Carrano on 21.01.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Morrosaurus antarcticus n. gen. n. sp.
Morrosaurus antarcticus n. gen. n. sp. Rozadilla et al. 2016 ornithopod
MACN Pv 19777, partial hind limb