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 

  1. Family Abrocomidae (chinchilla rats) C2 — 10 living spp
  2. Family Anomaluridae (scaly-tailed squirrels) A —  7 living spp
  3. Family Aplodontiidae (mountain beaver) E —  1 living spp
  4. Family Bathyergidae (blesmoles and mole rats) C2 —  16 living spp
  5. Family Capromyidae (West Indian hutias) C2 —  20 living spp
  6. Family Castoridae (beavers) B —  2 living spp
  7. Family Caviidae (cavies) C2 —  18 living spp
  8. Family Calomyscidae (mouse-like hamsters) D2 — 8 living spp
  9. Family Chinchillidae (chinchillas and viscachas) C2 — 7 living spp
  10. Family Cricetidae (New World rats and mice, voles, hamsters, and relatives) D2 — 706 living spp
  11. Family Ctenodactylidae (gundis) C1 — • 5 living spp
  12. Family Ctenomyidae (tuco-tucos) C2 — • 60 living spp
  13. Family Cuniculidae (pacas) C2 — • 2 living spp
  14. Family Dasyproctidae (acuchis and agoutis) C2 — • 13 living spp
    1. Dasyprocta punctata (Central American agouti)
  15. Family Diatomyidae  — • 1 living spp (EXTRA from CoL)
  16. Family Dinomyidae (pacarana) C2 — • 1 living spp
  17. Family Dipodidae (jerboas, jumping mice, and birch mice) D1 — 52 living spp
  18. Family Echimyidae (spiny rats) C2 — • 91 living spp
  19. Family Erethizontidae (New World porcupines) C2 – 16 living spp
    1. Sphiggurus mexicanus, Mexican tree porcupine
  20. Family Geomyidae (pocket gophers) B — 41 living spp
  21. Family Gliridae (dormice and hazel mice) E — 29 living spp
  22. Family Heptaxodontidae (giant hutias) C2 — 4 living spp
  23. Family Heteromyidae (kangaroo rats, pocket mice, and relatives) B — 65 living spp
  24. Family Hystricidae (Old World porcupines) C2 — 11 living spp
  25. Family Muridae (Old World mice and rats, gerbils, whistling rats, and relatives) D2 — 776 living spp
    1. Apodemus sylvaticus (wood mouse)
    2. Mus musculus, house mouse
  26. Family Myocastoridae (coypus and nutria) C2 — 1 living spp
  27. Family Nesomyidae (African and Malagasy endemic rats and mice) D2 — 63 living spp
  28. Family Octodontidae (degus, rock rats, and viscacha rats) C2 — 13 living spp
  29. Family Pedetidae (springhare) A — 2 living spp
  30. Family Petromuridae (dassie rat) C2 — 1 living spp
  31. Family Platacanthomyidae (Malabar spiny dormouse and pygmy dormice) D2 — 2 living spp
  32. Family Sciuridae (squirrels) E — 286 living spp — Mammalia, Rodentia, Sciuridae
    1. Callospermophilus lateralis, Golden-mantled ground squirrel (Banff, Canada)
    2. Sciurus carolinensis, Eastern grey squirrel
    3. Sciurus vulgaris, Eurasian red squirrel
    4. Sciurus variegatoides, Variegated squirrel (Cost Rica)
    5. Tamias (Neotamias) ruficaudus, Red-tailed chipmunk (possibly – Canada)
    6. Urocitellus richardsonii, Richardson’s ground squirrel or Dakrat
  33. Family Spalacidae (blind mole rats, African mole rats, zokors, and bamboo rats) D2 — 36 living spp
  34. 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