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Retitrescolpites magnus

Retitrescolpites magnus was named by Jaramillo and Dilcher (2001) [n. comb.]. It is not extant. It is considered to be a form taxon. Its type specimen is UFP 38, 19.4 x 88.8, a microspore (pollen grain). Its type locality is Pinalerita UFP 34, Llanos foothills, COlombia, which is in an Eocene fluvial-deltaic siliciclastic in the Areniscas de el Limbo Formation of Colombia.

Synonymy list
YearName and author
1967Retitricolpites magnus González-Guzmán p. 34 figs. Plate V Figs. 2-2c
2001Retitrescolpites magnus Jaramillo and Dilcher p. 154 figs. Plate 17, Figs. 15-16

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phylumMagnoliophytaCronquist et al.
genusRetitrescolpitesSah 1967

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.

Retitrescolpites magnus Jaramillo and Dilcher 2001
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Invalid names: Retitricolpites magnus González-Guzmán 1967 [replaced]
A. E. González-Guzmán 1967 (Retitricolpites magnus)Pollen grain tricolpate, prolate; furrow C α 1, C β 2, C γ 1; sculpture type reticulate with 'heterobrochate' reticulation; muri simplibaculate. Diameter of lumina 3-6 μ. Wall semitectate. Thickness of exine about 4.5 μ; ectexine thicker than endexine. Equatorial constriction. Polar area rather small.
C. A. Jaramillo and D. L. Dilcher 2001Retitricolpate, mid-sized (38-55 µm), colpi simple, long, lumina 3-4 µm wide, uniform, dense, muri thin, simplicolumellate.
No measurements are available
No ecological data are available

Age range: base of the Lutetian to the top of the Middle Eocene or 47.80000 to 37.71000 Ma

Collections (13 total)

Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3Venezuela Retitricolpites magnus (212369)
Middle Eocene47.8 - 37.71Colombia Retitrescolpites magnus (type locality: 28775 28861 28862 28863 28864 28865 28866 29073 29074 29076)
Middle Eocene47.8 - 37.71Colombia (Norte de Santander) Retitricolpites magnus (136918)
Priabonian - Rupelian38.0 - 28.1Peru (Loreto) Retitrescolpites magnus (144474)