Ruminantia Rango fossile: Eoceno precoce - presente preꞒ Ꞓ O S D C P T J K Pg N
Alcun Ruminantia (in senso de lectura): Bovin, tragulin, giraffa, ren, Moschidae e Antilocapridae.
Classification scientific
Regno: Animalia Phylo: Chordata Classe: Mammalia Subclasse: Theria Infraclasse: Placentalia Superlegion: Boreoeutheria Legion: Laurasiatheria Ordine: Cetartiodactyla
Subordine
Ruminantia Scopoli, 1777
Infraorders:
Tragulina (paraphyletic)[1] Pecora

Ruminantia es un subordine de Mammiferos artiodactyle. Son characterisate per lor tracto gastrointestinal permittente le rumination.

Le stomacho del Pecora es componite de quatro compartimentos functional. Lo del Tragulina ha tres compartimentos (sin omaso).

Secundo Hassanin, 2003^[2] e Chen, 2019:^[3]

1. ↑ M. Clauss, G. E. Rossner (2014). "Old world ruminant morphophysiology, life history, and fossil record: exploring key innovations of a diversification sequence". Annales Zoologici Fennici 51 (1–2): 80–94. doi:10.5735/086.051.0210. 
2. ↑ A. Hassanin, E. J. P. Douzery (2003). "Molecular and morphological phylogenies of Ruminantia and the alternative position of the Moschidae". Systematic Biology 52 (2): 206–28. doi:10.1080/10635150390192726. PMID 12746147. 
3. ↑ L. Chen, Q. Qiu, Y. Jiang, K. Wang (2019). "Large-scale ruminant genome sequencing provides insights into their evolution and distinct traits". Science 364 (6446): eaav6202. doi:10.1126/science.aav6202. PMID 31221828. Bibcode: 2019Sci...364.6202C.