Line diagrams of the head of <a href="https://en.wikipedia.org/wiki/Coluber_ventromaculatus" class="extiw" title="w:Coluber ventromaculatus">Coluber ventromaculatus</a>.
<ul><li><b>ag</b> – Anterior genials or <a href="https://en.wikipedia.org/wiki/Chin_shields" class="extiw" title="w:Chin shields">Chin shields</a><br></li>
<li><b>f</b> – <a href="https://en.wikipedia.org/wiki/Frontal_scale" class="extiw" title="w:Frontal scale">Frontal</a><br></li>
<li><b>in</b> – <a href="https://en.wikipedia.org/wiki/Internasal_scales" class="extiw" title="w:Internasal scales">Internasal</a><br></li>
<li><b>l</b> – <a href="https://en.wikipedia.org/wiki/Loreal_scales" class="extiw" title="w:Loreal scales">Loreal</a><br></li>
<li><b>la</b> – <a href="https://en.wikipedia.org/wiki/Supralabial_scales" class="extiw" title="w:Supralabial scales">Supralabial</a><br></li>
<li><b>la'</b> – <a href="https://en.wikipedia.org/wiki/Sublabial_scales" class="extiw" title="w:Sublabial scales">Infralabial</a><br></li>
<li><b>m</b> – <a href="https://en.wikipedia.org/wiki/Mental_scale" class="extiw" title="w:Mental scale">Mental</a><br></li>
<li><b>n</b> – <a href="https://en.wikipedia.org/wiki/Nasal_scale" class="extiw" title="w:Nasal scale">Nasal</a><br></li>
<li><b>p</b> – <a href="https://en.wikipedia.org/wiki/Parietal_scales" class="extiw" title="w:Parietal scales">Parietal</a><br></li>
<li><b>pf</b> – <a href="https://en.wikipedia.org/wiki/Prefrontal_scales" class="extiw" title="w:Prefrontal scales">Prefrontal</a><br></li>
<li><b>pg</b> – Posterior Genials or <a href="https://en.wikipedia.org/wiki/Chin_shields" class="extiw" title="w:Chin shields">Chin shields</a><br></li>
<li><b>pro</b> – <a href="https://en.wikipedia.org/wiki/Ocular_scales" class="extiw" title="w:Ocular scales">Preocular</a><br></li>
<li><b>pso</b> – <a href="https://en.wikipedia.org/wiki/Ocular_scales" class="extiw" title="w:Ocular scales">Presubocular</a><br></li>
<li><b>pto</b> – <a href="https://en.wikipedia.org/wiki/Ocular_scales" class="extiw" title="w:Ocular scales">Postocular</a><br></li>
<li><b>r</b> – <a href="https://en.wikipedia.org/wiki/Rostral_scale" class="extiw" title="w:Rostral scale">Rostral</a><br></li>
<li><b>so</b> – <a href="https://en.wikipedia.org/wiki/Ocular_scales" class="extiw" title="w:Ocular scales">Supraocular</a><br></li>
<li><b>t</b> – Anterior and Posterior <a href="https://en.wikipedia.org/wiki/Temporal_scales" class="extiw" title="w:Temporal scales">Temporals</a><br></li>
<li><b>v</b> – First <a href="https://en.wikipedia.org/wiki/Ventral_scales" class="extiw" title="w:Ventral scales">Ventral</a></li></ul>
<div style="display:inline-block;padding:0 3px;background-color:#BDC"><a href="//commons.wikimedia.org/wiki/File:ColuberScales.png" title="File:ColuberScales.png"><b>Original: </b></a></div> <div style="display:inline-block;padding:3px 0;">Malcolm A. Smith (1943)</div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User_talk:TilmannR" title="User talk:TilmannR">TilmannR</a></div>
Own work based on: <a href="//commons.wikimedia.org/wiki/File:ColuberScales.png" title="File:ColuberScales.png">ColuberScales.png</a>