-description section level2">
    <p>Makes a block of node constraints and node calibrations for a MrBayes run file
from a list of taxa and ages, or from a dated tree</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">get_mrbayes_node_constraints</span><span class="op">(</span></span>
<span>  constraint <span class="op">=</span> <span 