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Article History

Received: 19 March 2018

First Online: 21 February 2020

COMPLIANCE WITH ETHICAL STANDARDS

: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.

: <b>Muscles and their portions</b>: <i>Bm</i> is the branchiomandibular muscle (m. branchiomandibularis), <i>Bmc</i> and <i>Bmr</i> are its caudal and rostral portions (m. branchiomandibularis caudalis and rostralis), <i>Cga</i> and <i>Cgp</i> are the anterior and posterior ceratoglossus muscles (m. ceratoglossus anterior and posterior), <i>Ch</i> is the ceratohyoid muscle (m. ceratohyoideus), <i>Gg</i> is the genioglossus muscle (m. genioglossus), <i>Dm</i> is the depressor of the mandible (m. depressor mandibulae), <i>Hg</i> is the hypoglossus muscle (m. hypoglossus), <i>Mh</i> is the mylohyoid muscle (m. mylohyoideus), <i>Sh</i> and <i>Sth</i> are the serpihyoid and stylohyoid muscles (m. serpihyoideus and m. stylohyoideus), and <i>Th</i> and <i>Trh</i> are the thyreohyoid and tracheohyoid muscles (m. thyreohyoideus and m. traheohyoideus).<b>Skeleton</b>: <i>Bas</i> is the basihyale, and <i>Br</i> is the horn branchiale.