holostomatous

== English == === Etymology === From holo- +‎ -stomatous. Compare siphonostomatous. === Adjective === holostomatous (not comparable) (zoology, said of many shells) Having an entire aperture not interrupted by the siphonal canal, notch, or by any other extension === References === “holostomatous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.