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Guide to Tabellaria fenestrata

(Lyngb.) Kütz. 1844

Tabellaria Fenestrata Guide
Credit: Dawn DeColibus
  1. Central inflation wide
  2. Central striae reach axial line
  3. Girdle bands open
  4. Septae present

The central inflation is as wide, or slightly wider, than the capitate apices. Central striae reach the axial line, so there is no hyaline central area. Girdle bands open, with regular septae. Rudimentary septae are absent. Marginal spines are absent.