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Show 21 FORAMINA Mephitis, Conepatus and Spi10gale Each incisive foramen is and smaller than the oval-shaped diameter of the canine tooth at the A small cingulum. midway between the paired incisive foramina, was skulls examined of Conepatus, 85% of paired infraorbital foramina Spilogale. They are The often bisected same was common anteriorly from the most craniad border of the orbit. a small foramen, immediately frontal. shaving Upon tracing away the In about the diameter of the ventral to the knob-like it with the bone, it one of of use of all three and ventrally Mephitis and straight pin, postorbital a is Spilogale, present process of the porcupin guard found to traverse was large and oval. nima1 among The nasolacrimal canal extends genera. none This division of the specimen. equally and Mephitis, are all on sometimes in but by bony partitions, the two foramina of the infraorbital foramen of those of foramen, present posteriorly hair and about 9 mm, angling at 90° medially, and extending nearly to the frontal The suture. origin of the foramen surface f plate. A foramen found at the bone in some described in it was immediately posterior to the cribiform the cerebral fossa skulls of Mephitis not traced in this foramen persists poster6dorsal Conepatus and may be Spiloga1e. Conepatus. in all found to be at the anterodorsal was homologous to the Because of lack of Further species border of the frontal one just specimens, investigation revealed that examined of the genus . |
