La Anita (Nullo site) (Cretaceous of Argentina)

Also known as Estancia "Anita" locality 1; Río Leona (MACN)

Where: Santa Cruz, Argentina (50.5° S, 72.6° W: paleocoordinates 52.4° S, 62.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chorrillo Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• lower third of the Chorrillo Formation

•The age of this locality has been revised in Moyano-Paz et al., 2022.

•The Chorrillo Formation in Argentina is correlated to the nearby and coeval Dorotea Formation in Chile.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, green claystone

• "grey and greenish grey clays, with dark and purple bands alternating with generally friable beds."

Size class: macrofossils

Collected by G. F. Nullo & J. F. Bonaparte; reposited in the MACN

• discovered by General F. Nullo

Primary reference: J. E. Powell. 2003. Revision of South American titanosaurid dinosaurs: palaeobiological, palaeobiogeographical and phylogenetic aspects. Records of the Queen Victoria Museum Launceston 111:1-173 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 51623: authorized by Matthew Carrano, entered by Matthew Carrano on 09.06.2005, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

 Coniferales - Podocarpaceae
Podocarpoxylon dusenii podocarp
MPM 21568, fragmentary wood
Reptilia
 Theropoda - Megaraptoridae
Megaraptoridae "indet. 3" Novas et al. 2013 coelurosaur
 Saurischia -
Nullotitan glaciaris n. gen. n. sp.
Nullotitan glaciaris n. gen. n. sp. Novas et al. 2019 sauropod