Shape, Size and Aperture

pollen unit: -,  dispersal unit and peculiarities: pseudomonad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: tetrad,  polarity: heteropolar,  P/E-ratio: -,  shape: -,  outline in polar view: -,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): aperture(s) sunken,  aperture number: 6,  aperture type: -,  aperture condition: poroidate,  aperture peculiarities: aperture membrane ornamented, operculum

Ornamentation and Structure

LM  ornamentation LM: -,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: absent,  reserves in cytoplasm: -,  cell number: -,  Ubisch bodies: absent

Annotations: Apertures poroids, mostly elongated (colpi); distal aperture often with operculum or pontoperculum

Author(s) of diagnosis: Halbritter, H.