Order Rodentia
This is a large order and some have further divided it into suborders or superfamilies. Below is an alphabetic list of the families
- Family Abrocomidae (chinchilla rats) C2 — 10 living spp
- Family Anomaluridae (scaly-tailed squirrels) A — 7 living spp
- Family Aplodontiidae (mountain beaver) E — 1 living spp
- Family Bathyergidae (blesmoles and mole rats) C2 — 16 living spp
- Family Capromyidae (West Indian hutias) C2 — 20 living spp
- Family Castoridae (beavers) B — 2 living spp
- Family Caviidae (cavies) C2 — 18 living spp
- Family Calomyscidae (mouse-like hamsters) D2 — 8 living spp
- Family Chinchillidae (chinchillas and viscachas) C2 — 7 living spp
- Family Cricetidae (New World rats and mice, voles, hamsters, and relatives) D2 — 706 living spp
- Family Ctenodactylidae (gundis) C1 — • 5 living spp
- Family Ctenomyidae (tuco-tucos) C2 — • 60 living spp
- Family Cuniculidae (pacas) C2 — • 2 living spp
- Family Dasyproctidae (acuchis and agoutis) C2 — • 13 living spp
- Dasyprocta punctata (Central American agouti)
- Family Diatomyidae — • 1 living spp (EXTRA from CoL)
- Family Dinomyidae (pacarana) C2 — • 1 living spp
- Family Dipodidae (jerboas, jumping mice, and birch mice) D1 — 52 living spp
- Family Echimyidae (spiny rats) C2 — • 91 living spp
- Family Erethizontidae (New World porcupines) C2 – 16 living spp
- Sphiggurus mexicanus, Mexican tree porcupine
- Family Geomyidae (pocket gophers) B — 41 living spp
- Family Gliridae (dormice and hazel mice) E — 29 living spp
- Family Heptaxodontidae (giant hutias) C2 — 4 living spp
- Family Heteromyidae (kangaroo rats, pocket mice, and relatives) B — 65 living spp
- Family Hystricidae (Old World porcupines) C2 — 11 living spp
- Family Muridae (Old World mice and rats, gerbils, whistling rats, and relatives) D2 — 776 living spp
- Apodemus sylvaticus (wood mouse)
- Mus musculus, house mouse
- Family Myocastoridae (coypus and nutria) C2 — 1 living spp
- Family Nesomyidae (African and Malagasy endemic rats and mice) D2 — 63 living spp
- Family Octodontidae (degus, rock rats, and viscacha rats) C2 — 13 living spp
- Family Pedetidae (springhare) A — 2 living spp
- Family Petromuridae (dassie rat) C2 — 1 living spp
- Family Platacanthomyidae (Malabar spiny dormouse and pygmy dormice) D2 — 2 living spp
- Family Sciuridae (squirrels) E — 286 living spp — Mammalia, Rodentia, Sciuridae
- Callospermophilus lateralis, Golden-mantled ground squirrel (Banff, Canada)
- Sciurus carolinensis, Eastern grey squirrel
- Sciurus vulgaris, Eurasian red squirrel
- Sciurus variegatoides, Variegated squirrel (Cost Rica)
- Tamias (Neotamias) ruficaudus, Red-tailed chipmunk (possibly – Canada)
- Urocitellus richardsonii, Richardson’s ground squirrel or Dakrat
- Family Spalacidae (blind mole rats, African mole rats, zokors, and bamboo rats) D2 — 36 living spp
- Family Thryonomyidae (cane rats) C2 – 2 living spp
A: scaly-tailed squirrels and springhares
B: beavers, gophers, kangaroo rats, pocket mice, and relatives
C: hystricognath rodents ?
D: mice, rats, gerbils, jerboas, and relatives
E: squirrels, dormice, and relatives