Blainvillimys gregarius (extinct)
Latitudinal range: 40.1° to 44.4°
Found in 3 samples
France: Valbro (déblais) (Early Oligocene), Cavalé (Early Oligocene)
Spain: Valdecollares (Early Oligocene)
See also Blainvillimys, Blainvillimys blainvillei, Blainvillimys gemellus, Blainvillimys helmeri, Blainvillimys langei, Blainvillimys rotundidens, Blainvillimys varleti