Species
Valid Extinct

Bonapartenykus ultimus

Agnolin et al. 2012

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
3
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
Classification
Dinosauria Unranked clade
Theropoda Unranked clade
Neotheropoda Unranked clade
Averostra Unranked clade
Tetanurae Unranked clade
Coelurosauria Unranked clade
Alvarezsauria Infraorder
Alvarezsauroidea Unranked clade
Bonapartenykus Genus
Bonapartenykus ultimus Species
Fossil sites 3 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
3
Geological formations
Allen
3
Temporal distribution
Maastrichtian (72.2–66 Ma)
3
Bibliography
Original description
F. L. Agnolin, J. E. Powell, and F. E. Novas, M. Kundrát. 2012. New alvarezsaurid (Dinosauria, Theropoda) from uppermost Cretaceous of north-western Patagonia with associated eggs. Cretaceous Research 35(1):33-56 DOI ↗
Bibliography (2)
J. G. Meso, J. N. Choiniere, and M. A. Baiano, S. L. Brusatte, J. I. Canale, L. Salgado, D. Pol, M. Pittman. 2025. New information on Bonapartenykus (Alvarezsauridae: Theropoda) from the Allen Formation (middle Campanian-lower Maastrichtian) of Río Negro Province, Patagonia, Argentina clarifies the Patagonykinae body plan. PLOS ONE 20(1):e0308366 DOI ↗
F. L. Agnolin, J. E. Powell, and F. E. Novas, M. Kundrát. 2012. New alvarezsaurid (Dinosauria, Theropoda) from uppermost Cretaceous of north-western Patagonia with associated eggs. Cretaceous Research 35(1):33-56 DOI ↗