Reigitheriidae

Reigitheriidae; Temporal range: Late Cretaceous, Campanian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Clade:	Trechnotheria
Clade:	Cladotheria
Clade:	† Meridiolestida
Clade:	† Mesungulatoidea
Family:	† Reigitheriidae ; Bonaparte, 1990
Species
	† Reigitherium ; † Yeutherium ;

Last updated August 13, 2025

Reigitheriidae was a family of mammals that lived during the Late Cretaceous (Campanian to Maastrichtian) in Argentina and Chile.^[2]

References

↑ Bonaparte, J. F. (1990). New Late Cretaceous mammals from the Los-Alamitos formation, Northern Patagonia. National Geographic Research 6.1 63-83.
↑ Püschel, H. P.; Martinelli, A. G.; Soto-Acuña, S.; Ortiz, H.; Leppe, M.; Vargas, A. O. (2025). "A subantarctic reigitheriid and the evolution of crushing teeth in these enigmatic Mesozoic mammals". Proceedings of the Royal Society B: Biological Sciences. 292 (2052). 20251056. doi:10.1098/rspb.2025.1056. PMC 12324878. PMID 40763811.

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[Bonaparte1990-1] Bonaparte, J. F. (1990). New Late Cretaceous mammals from the Los-Alamitos formation, Northern Patagonia. National Geographic Research 6.1 63-83.

[2] Püschel, H. P.; Martinelli, A. G.; Soto-Acuña, S.; Ortiz, H.; Leppe, M.; Vargas, A. O. (2025). "A subantarctic reigitheriid and the evolution of crushing teeth in these enigmatic Mesozoic mammals". Proceedings of the Royal Society B: Biological Sciences. 292 (2052). 20251056. doi:10.1098/rspb.2025.1056. PMC 12324878. PMID 40763811.

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