| author | date | title | journal / publication | Beers CD | 1963 | Relation of feeding in the sea urchin Strongylocentrotus droebachiensis to division in some of its endocommensal ciliates. | Biol Bull, 124: 1-8 |
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| Geoplana rufiventris Schultze & Müller, 1857 | w | other taxonomic work |