Synapsidasynapsids


    • Columbian ground squirrel
      Spermophilus columbianus
    • Columbian ground squirrel
      Spermophilus columbianus
    • Franklin's ground squirrel
      Spermophilus franklinii
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • golden-mantled ground squirrel
      Spermophilus lateralis
    • Mexican ground squirrel
      Spermophilus mexicanus
    • Arctic ground squirrel
      Spermophilus parryii