A new Eocene Toxodontia (Mammalia, Notoungulata) from northwestern Argentina

External and internal anatomy of a petrosal from the late Paleocene of Itaboraí, Brazil, referred to Notoungulata (Placentalia)

(2013) Guillaume Billet et al.   JOURNAL OF VERTEBRATE PALEONTOLOGY

New Leontiniid Notoungulata (Mammalia) from Chile and Argentina: Comparative Anatomy, Character Analysis, and Phylogenetic Hypotheses

(2012) Bruce J. Shockey et al.   AMERICAN MUSEUM NOVITATES

Phylogeny of the Notoungulata (Mammalia) based on cranial and dental characters

(2011) Guillaume Billet   JOURNAL OF SYSTEMATIC PALAEONTOLOGY

Griphotherion peiranoi, gen. et sp. nov., a new Eocene Notoungulata (Mammalia, Meridiungulata) from northwestern Argentina

(2011) Daniel A. García López et al.   JOURNAL OF VERTEBRATE PALEONTOLOGY

Mendozahippus fierensis, gen. et sp. nov., new Notohippidae (Notoungulata) from the late Oligocene of Mendoza (Argentina)

(2010) Esperanza Cerdeño et al.   JOURNAL OF VERTEBRATE PALEONTOLOGY

Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution

(2010) GUILLAUME BILLET et al.   ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY

New Observations on the Skull of Pyrotherium (Pyrotheria, Mammalia) and New Phylogenetic Hypotheses on South American Ungulates

(2009) Guillaume Billet   JOURNAL OF MAMMALIAN EVOLUTION

Sedimentological, geochemical and paleontological insights applied to continental omission surfaces: A new approach for reconstructing an eocene foreland basin in NW Argentina

(2009) C. del Papa et al.   JOURNAL OF SOUTH AMERICAN EARTH SCIENCES

Craniodental anatomy of late Oligocene archaeohyracids (Notoungulata, Mammalia) from Bolivia and Argentina and new phylogenetic hypotheses

(2009) GUILLAUME BILLET et al.   ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY

TNT, a free program for phylogenetic analysis

(2008) Pablo A. Goloboff et al.   CLADISTICS