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Retitricolporites annaeoides

Magnoliopsida

Taxonomy
Retitricolporites annaeoides was named by Van der Hammen and Garcia de Mutis (1966). It is considered to be a form taxon. Its type specimen is Slide V-I-87 Col. S.G.N. (HB-284), a seed repro (Pollen grain), and it is a 3D body fossil.

Synonymy list
YearName and author
1966Retitricolporites annaeoides Van der Hammen and Garcia de Mutis p. 113

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classMagnoliopsidaCronquist et al. 1996
RankNameAuthor
genusRetitricolporitesVan der Hammen and Wymstra 1964
speciesannaeoides

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.

Retitricolporites annaeoides Van der Hammen and Garcia de Mutis 1966
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Diagnosis
ReferenceDiagnosis
T. Van der Hammen and C. Garcia de Mutis 1966Tricolporate (in general the pores are nearly invisible), reticulate. Shape ± rounded. Colpi short with margo. Polar area and surrounding zone of the colpi with a heavy reticulum, and fine reticulum in the central zones of the intercolpia. Is much resembling Tricolporites annae, but the exine and the reticulum around the pores are thicker; the muri are granulate to micro-foveolate; margo or the colpi is ± pronounced and protruding. Size ± 40-43 μ.
Measurements
partNmean
Pollen grain diameter10.042

No ecological data are available

Age range: base of the Late/Upper Paleocene to the top of the Early/Lower Eocene or 58.70000 to 48.60000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Paleocene58.7 - 55.8Colombia (Norte de Santander) Retitricolporites annaeoides (136752)
Early/Lower Eocene55.8 - 48.6Colombia (Norte de Santander) Retitricolporites annaeoides (136756)