Mepụta ụdị nke ahịrịokwu a nke dị mgbagwoju anya Ọ gụnyere osisi squirrels, squirrels ala, chipmunks, marmots (nke gụnyere woodchucks), nke ọnụ na-agụnye Sciurinae; na kwa Eurasian na-efe efe squirrels.
N'ezie, nsụgharị nke ahịrịokwu ahụ nke dị mgbagwoju anya bụ "Ọ na-agụnye agụ nkwọ osisi, agụ nkwọ ala, chipmunks, marmots (nke gụnyere woodchucks) na agụ nkwọ ụgbọelu Eurasia, ma ọ bụghị agụ nkwọ ụgbọelu nke Africa, nke sitere na ezinụlọ Anomaluridae na ọ bụghị sciurids ma ọlị. "