The cricetids are small mammals , ranging from just 5-8 cm ( 2.0-3 .1 in ) in length and 7 g ( 0.25 oz ) in weight in the New World pygmy mouse up to 41-62 cm ( 16-24 in ) and 1,100 g ( 39 oz ) in the muskrat .
The cricetids are small mammals , ranging from just 5 to 8 cm and 7 grams in weight in the New World Pygmy Mouse , up to 41 to 62 cm and 1,100 grams in the Muskrat .