Myogale levator subsp. labii

WHIDDEN, HOWARD P., 2000, Comparative Myology of Moles and the Phylogeny of the Talpidae (Mammalia, Lipotyphla), American Museum Novitates 3294, pp. 1-53 : 12-13

M. levator labii superioris proprius ( fig.

5)

ORIGIN: As a superficial head from a fossa just deep and anterior to the origin of M. zygomaticus major , and a deep head from the dorsal margin of the posterior zygomatic arch.

INSERTION: The two heads join to form a stout tendon that extends over the tip of the

2000 WHIDDEN: MYOLOGY OF MOLES 13

premaxilla and joins its antimere to form a flat fascial sheet that covers the cartilaginous snout tip.

REMARKS: This muscle has the same general form in the 11 study taxa. In Condylura , the origin of the superficial head is well anterior to the origin of the other snout muscles. This large, well­developed muscle is the deepest of the snout muscles.

Figures

Fig. 5. Lateral view of snout muscles of Parascalops. A, Superficial layer; B, middle layer; C, deep layer.