Palynology of Middle Tertiary lacustrine deposits

Palynology of Middle Tertiary lacustrine deposits
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Turma Jugates Erdtman 1943 ? emend. Potonie 1960.
Subuturma Tetradites Cookson 1947.
Genus Tetradomonoporites Chitaley 1951 ex Krutzsch 1970.
Type species: Tetradomonoporites typhoides Krutzsch 1970.
Tetradomonoporites typhinus n. sp.
PI. 11, fig. 7; pI. 12, figs. 1 - 3 ;
pI. 36, fig. 6.
Diagnosis: Tetradomonoporate pollen of vesicular outline. Each bladder-like pollen
grain is furnished with one pore. Location of germinal pores near to the sutures of
the vesicles, ca. 2.5 pm in diameter, rather indistinct. Surface of exine reticulate,
with OL pattern, finely punctate within the lumina; exine two-layered, 1. 5- 2. 5 pm
thick; ectexine tectate, 1 -1. 5 pm thick; endexine intrabaculate, 0.5- 1 pm thick.
Measurements: Tetrads: 34 - 45 pm in diameter.
Individual vesicles: 19 - 25 pm in diameter.
Holotype: PI. 12, fig. 1; tetrad 40 X 33 pm in diameter; vesicles 19-23 pm in
diameter; exine 2 pm thick; tectum 1.2 pm thick; surface of exine reticulate, with
OL pattern, finely punctate within lumina; endexine intrabaculate; one pores on each
of the vesicles; no. of specimen: Jos 1 - 6 (GN 5326).
Name derivation: typhinus (gr.) = after the genus Typha.
Remarks: The new species is somewhat similar to Tetradomonoporites typhoides Krutzsch
from the Late Pliocene of Germany, but differs in its thicker wall, dissimilar
sculpture, and other pore position.
Botanical affinity: Typhaceae, TYPha.
Subturma Polyadites Pant 1954.
Genus Polyadopollenites Pflug & Thomson 1953.
Type species: Polyadopollenites multipartitus Pflug 1953.
Polyadopollenites sculptus n. sp.
PI. 10, figs, 1 - 4; pI. 11, figs. 1 - 3;
pI. 36, figs, 4 - 5; pI. 37, figs. I - 3 .
Diagnosis: Polyad pollen grains. Figura circular to subcircular or oval in outline.
Eight to fourteen vesicles form a polyad pollen grain. Surface of exine reticulate
COL pattern), finely punctate within the lumina; wall two-layered, I. 2- 3 pm thick;
ectexine either tectate or columellate to psilate with verrucate processes, I - 2 pm
thick; endexine somewhat intrabaculate or smooth, 0.5- I pm thick. No germinal