Diatoms of North AmericaDiatoms of North America

E_macroglossa_rimoportula_int_copy.jpg

  • Glossary Term
    Rimoportula
  • Caption
    Internal view of the rimoportula of Eunotia macroglossa. The rimoportula is positioned at the valve apex, distal to the raphe, which terminates in the helictoglossa.
  • Credit
    Paula Furey
E Macroglossa Rimoportula Int Copy

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