Myogale trapezius subsp. anticus

WHIDDEN, HOWARD P., 2000, Comparative Myology of Moles and the Phylogeny of the Talpidae (Mammalia, Lipotyphla), American Museum Novitates 3294, pp. 1-53 : 16

M. trapezius anticus , pars cervicis

ORIGIN: From the dorsal midline of the neck, well posterior to the pars capitis and deep to the retroauricular muscles.

INSERTION: In fascia on the greater tuberosity of the humerus and on the humeroclavicular tendon.

REMARKS: This muscle is well developed

in Condylura , Desmana , Galemys , Neurotrichus , Scaptonyx , Uropsilus , and Urotrichus , where it inserts on the metacromion process of the scapula, but in Parascalops , Scalopus , Scapanus , and Talpa it is reduced to a thin sheet of fibers that disappear in fascia. In Desmana and Galemys , the posteriormost fibers extend onto the vertebral border of the scapula, and in Neurotrichus , Scaptonyx , and Urotrichus , these posterior fibers form a separate slip that inserts on the vertebral border. Reed (1951) referred to these posterior fibers in Neurotrichus as a separate M. trapezius medius. In Neurotrichus , Scaptonyx , and Urotrichus , the origin of this muscle extends onto the occiput, but these anterior fibers are continuous with the rest of the muscle and not a pars capitis.