Neoplagiaulacidae Ameghino, 1890
Common Name: Rodent-like mammal
Key morphological features: These mammal fossils are mostly commonly found as teeth. They did survive the K-T extinction that wiped out the dinosaurs and lasted through the Eocene period (56-33 million years ago).
SIZE: 10-90 cm (3.9-35in)
FEEDING MODE: Omnivorous
Williamson, Thomas E.; Brusatte, Stephen L.; Secord, Ross; Shelley, Sarah (2015). "A new taeniolabidoid multituberculate (Mammalia) from the middle Puercan of the Nacimiento Formation, New Mexico, and a revision of taeniolabidoid systematics and phylogeny". Zoological Journal of the Linnean Society. 177: 183–208.