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Retitricolporites craceus

Magnoliopsida -

Retitricolporites craceus was named by González-Guzmán (1967). It is considered to be a form taxon. Its type specimen is Slide F-III-49-578 (Catatumbo). Loc: 118.2X46.9 (micr. P0-58), a seed repro (Pollen grain), and it is a 3D fossil preserving soft parts.

Synonymy list
YearName and author
1967Retitricolporites craceus González-Guzmán p. 39 figs. Plate X Figs. 1-1b

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classMagnoliopsidaCronquist et al. 1996
genusRetitricolporitesVan der Hammen and Wymstra 1964

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

A. E. González-Guzmán 1967Pollen grain tricolporate, prolate-subprolate; furrow C α 2, C β 3, C γ 1; pore P α 2, P β 1, P γ 1; sculpture type reticulate. Lumina diminishing towards the furrows. Diameter of lumina < 1 μ. Thickness of exine ± 1 μ; ectexine thicker than endexine. Polar area rather small.