Striatricolporites sp.
publication ID |
https://doi.org/ 10.26879/465 |
persistent identifier |
https://treatment.plazi.org/id/66258796-FF9B-FFF7-3185-E9CDD33CFAF0 |
treatment provided by |
Felipe |
scientific name |
Striatricolporites sp. |
status |
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Figure 5.8-9 View FIGURE 5 View FIGURE 7 View FIGURE 8 View FIGURE 9
Material. Samples Pb-9334, Pb-9340, Pb-8898, Pb-9138, Pb-8896, and Pb-9136, Palynology Laboratory, IGLUNAM.
Description. Monad pollen, isopolar, radiosymmetric, subprolate. Tricolporate, endoaperture lalongate with converging transverse costae, meridional edges indistinct. Exine semitectate, 0.8 µm thick, striate, striae 0.5 µm parallel to polar axis.
Dimensions. Equatorial diameter 16–21 µm, polar diameter 28–33 µm, five specimens measured.
Comparisons. Striatricolporites digitatus (Jaramillo and Dilcher, 2001) has similar dimensions to Striatricolporites sp. However, S. digitatus has a thicker exine (Jaramillo and Dilcher, 2001: 1 µm) and ectocolpi costate.
Other occurrences. Striatricolporites has been recovered in Mexico from the late Eocene to early Oligocene of Puebla ( Martínez-Hernández and Ramírez-Arriaga, 1999). Jaramillo and Dilcher (2001) reported Striatricolporites digitatus from the middle Paleocene of Colombia. Africa – Oligocene of Cameroon ( Salard-Cheboldaeff, 1979). Type species from the Paleocene-Eocene of Guyana ( Leidelmeyer, 1966).
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