Burrow systems evince non-solitary geomyid rodents from the Paleogene of southern Mexico Guerrero-Arenas, Rosalía ; Jiménez-Hidalgo, Eduardo ; Genise, Jorge Fernando Abstract Publication: PLoS ONE Pub Date: March 2020 DOI: 10.1371/journal.pone.0230040 Bibcode: 2020PLoSO..1530040G