United…      1977 urn:lsid:marine… 1977  Abra aequalis          14636</span>
<span class="co">#&gt;  3 &lt;NA&gt;         1986 urn:lsid:marine… 1986  Abra aequalis          14636</span>
<span class="co">#&gt;  4 &lt;NA&gt;         2013 urn:lsid:marine… &lt;NA&gt;  Abra aequalis          14636</span>
<span class="co">#&gt;  5 &lt;NA&gt;         1994 urn:lsid:marine… &lt;NA&gt;  Abra aequalis          14636</span>
<span class="co">#&gt;  6 &lt;NA&gt;         1972 urn:lsid:marine… &lt;NA&gt;  Abra 