Palynology of Middle Tertiary lacustrine deposits
Palynology of Middle Tertiary lacustrine deposits
Palynology of Middle Tertiary lacustrine deposits
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210 K. TAKAHASHI & U. jux<br />
50 - 56 pm in diameter <strong>of</strong> the inner body.<br />
1. 5- 2 pm thickness <strong>of</strong> the interreticular walls.<br />
2. 5- 12 pm lumina <strong>of</strong> reticulum.<br />
3 - 4 pm height <strong>of</strong> the pillars.<br />
2 - 4 pm length <strong>of</strong> verrucate or baculate processes.<br />
Holotype: PI. 9, figs. 1a -d; 60 X 55 pm in diameter, 53 pm in diameter <strong>of</strong> the inner<br />
body; lumina <strong>of</strong> the reticulum 3 - 12 pm in diameter; wall <strong>of</strong> the reticulum 2 pm<br />
in thickness and 1.5- 2 pm in radial extension; pillars 4 pm high; no. <strong>of</strong> sample: Jos<br />
1 - 1 (GN 5321).<br />
Derivation <strong>of</strong> name: reticulatus (lat.) = netlike.<br />
Remarks: The present inaperturate pollen closely resembles with its suprareticulate<br />
exine Fagraea sasakii Hay <strong>of</strong> the family Loganiaceae. Accordingly, the generic name<br />
Fagraeapollis was selected.<br />
Botanical affinity: Loganiaceae, Fagraea.<br />
Turma Plicates Naumova 1939 emend. R. Potonie 1960.<br />
Subturma Monoco1pates Iversen & Troels-Smith 1950.<br />
Genus Magnolipollis Krutzsch 1970.<br />
Type species: Magnolipollis neogenicus Krutzsch 1970.<br />
Magnolipollis graciliexinus Krutzsch<br />
PI. 4, figs. 10 - 11.<br />
1970 Magnolipollis graciliexinus Krutzsch, Atlas, Lfg. VII, S. 128, Taf. 30, Fig. 1 -11.<br />
Diagnostic characters: Monosulcate pollen <strong>of</strong> fusiform or ellipsoidal shape. Exine<br />
smooth, thin, 1.5 pm thick, two-layered, slightly folded or burst. Sulcus somewhat<br />
swollen, gently curved.<br />
Measurements: 70-72 pm in length.<br />
42 - 45 pm in width.<br />
Width / length ratio: 0.58-0.64.<br />
Stratigraphic range: Eocene-Pliocene in <strong>Middle</strong> Europe.<br />
Germany: Eocene (Geiseltal); <strong>Middle</strong> Miocene (Muskau; Klettwitz, Helene bei<br />
Finkenheerd / Frankfurt a. 0.); Pliocene (clay quarry RiiterberglElbe).<br />
Remarks: The specimens are in shape, size and sculpture identical with Magnolipollis<br />
graciliexinus Krutzsch 1970.<br />
Botanical affinity: Magnoliaceae.
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