Descriptor : Other aquiferous unit

Descriptor type : categorical

Aquiferous unit: Part of the fossil corresponding to water-conducting system.

Astrorhiza

Astrorhiza: System of canals convergent on a single excurrent opening (osculum) of inner wall.

Chimneys

Chimneys: Small tubelike structure stems from outer wall's pores.
Syn.: Exaulos.

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Chimneys

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Chimneys

None

Belongs to the groups