Estancia Halliday (Miocene of Argentina)

Also known as Estancia Los Pozos

Where: Santa Cruz, Argentina (51.6° S, 69.2° W: paleocoordinates 52.2° S, 63.5° W)

• coordinate stated in text

• local area-level geographic resolution

When: Santa Cruz Formation, Santacrucian (17.5 - 16.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: S. F. Vizcaíno, R. F. Kay, and M. S. Bargo. 2012. Background for a paleoecological study of the Santa Cruz Formation (late Early Miocene) on the Atlantic Coast of Patagonia. In S. F. Vizcaí­no, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 1-22 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 176589: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Cariamae - Phorusrhacidae
Psilopterus lemoinei3 Moreno and Mercerat 1891 terror bird
AMNH 9257, skull, humerus, vertebral column, pelvis, left hindlimb
Mammalia
 Notoungulata - Hegetotheriidae
Pachyrukhos moyani2 Ameghino 1885 notoungulate
AMNH 9219, cranium and mandible
Hegetotherium mirabile2 Ameghino 1887 notoungulate
AMNH 9223, cranium
 Notoungulata - Interatheriidae
Interatherium extensum2 Ameghino 1889 notoungulate
AMNH 9299, cranium
 Rodentia - Acaremyidae
Acaremys murinus1 Ameghino 1887 caviomorph
YPM PU 15895
 Ungulata - Macraucheniidae
Theosodon gracilis2 Ameghino 1891 eutherian
AMNH 9230, cranium