Type specimens of Kutzing’s similarly named Synedra acus (= Ulnaria acus) and Synedra arcus (= Tabularia arcus D.M. Williams, nov. comb.) are examined with light and electron microscopy. Their morp... Click to show full abstract
Type specimens of Kutzing’s similarly named Synedra acus (= Ulnaria acus) and Synedra arcus (= Tabularia arcus D.M. Williams, nov. comb.) are examined with light and electron microscopy. Their morp...
               
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