भारी निशाचर उत्तर अमेरिका के प्रशांत तट के अपलैंड्स की कृंतक redent; सबसे आदिम जीवित कृंतक

Noun:

अमरीका के पश्‍चिमी तट पर पाए जाने वाला बिल खोदने वाला और कुतरने वाला जन्तु, सेवेलेले,

sewellels's Usage Examples:

On the other hand, the scaly-tailed squirrels (Anomaluridae), the jumping-hares (Pedetidae), and the strandmoles (Bathyergidae) are exclusively African; while the sewellels (Haplodontidae) and the pocket-gophers (Geomyidae) are as characteristically North American, although a few members of the latter have reached Central America.

angular process of the lower jaw has the same relations as in the sewellels and the allied groups.

Squirrel Group. - The Sciuroidea, which include the great group of squirrels, sousliks, marmots, 'c., all comprised in the single family Sciuridae, differ from the sewellels in having large post-orbital processes to the skull (figs.

Sewellels are medium-sized terrestrial rodents, with no postorbital process to the skull, which is depressed in form, and rootless cheek-teeth, among which the premolars number I, the first in the upper jaw being very small.

The first family is represented by certain peculiar North American rodents known as sewellels, constituting the genus Haplodon (or Aplodon) and the family Haplodontidae and section Haplodontoidea.

sewellels's Meaning':

bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent