| RECENT | FOSSIL | |||
T S |
 from Woelkerling, 1988: Oxford University Press |
 from Braga & Aguirre, 1994: Rev. Palbot. Palynol., vol. 86 |
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| Image shows a basal cell layer (arrows) growing parallel to the substrate (primigenous filaments = former hypothallus) from which the postigenous filaments (former perithallus) arise at right angles. | ||||
| RECENT | FOSSIL | |||
| S E M |
 |
Sorry, no SEM-image available |
S E M |
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