Angustisulcites klausii T.Freud.

Plant Fossil Names Registry Number: PFN001933


Author: T. Freudenthal

Rank: species

Genus: Angustisulcites T.Freud.

Reference: Freudenthal, T. (1964): Palaeobotany of the Mesophytic I. Palynology of Lower Triassic Rock Salt, Hengelo, The Netherlands. – Acta Botanica Neerlandica 13(2): 209–236., link

Page of description: 222

Illustrations or figures: fig. 6a, b

Name is type for


Holotype 69-TF-32, Botanical Museum, State Unitersity at Utrecht, Utrecht, The Netherlands
Figures: pl. 2a, b

Note: Holotype: single-grain slide 69-TF-32.

Original diagnosis/description

Size of the holotype
overall . . . . 74 × 46
c.b. . . . . . . . 36 × 39
bladder . . . 36 × 43
b.b. . . . . . . .1

Overall outline elliptical. Brown round central body with smooth thick (3,5 μ) exine. Bladders somewhat lighter coloured, proximally attached at equator of central body, distally attached at the distal pole. The bladders are punctate or fine reticulate; the reticulum is slightly radially orientated. Distally the bladders enclose a very narrow and deep sulcus at the distal pole (about 1 μ broad). The bladderbases are straight and unthickened or only slightly thickened.


Dr. W. Klaus, Vienna, Austria.


Triassic, Lower Triassic



Plant fossil remain

pollen and spores


Use comments to notify PFNR administrators of mistakes or incomplete information relevant to this record.