Mattheus Marinus Schepman
... that Mattheus Marinus Schepman's most significant work is "The Prosobranchia of the Siboga expedition", a publication of 494 pages encompassing 212 genera and 1,467 species of snails and slugs?
... that <b id="mwBMI"><a href="./Mattheus_Marinus_Schepman" id="mwBMM" rel="mw:WikiLink" title="Mattheus Marinus Schepman">Mattheus Marinus Schepman</a></b><span about="#mwt25" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwBMQ" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> <i id="mwBMU">(pictured)</i> most significant work is "The <a href="./Prosobranchia" id="mwBMY" rel="mw:WikiLink" title="Prosobranchia">Prosobranchia</a> of the Siboga expedition", a publication of 494 pages encompassing 212 genera and 1,467 species of snails and slugs?