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Tricolpites bibaculatus
Taxonomy
Tricolpites bibaculatus was named by Archangelsky and Zamaloa (1986). It is considered to be a form taxon. Its type specimen is p. m. 1070, 27.7/102.7, a plant debris (Pollen grain), and it is a compression preserving soft parts.
Sister species lacking formal opinion data
T. anguloluminosus + bathyreticulatus, T. anguloluminosus + bothyreticulatus, T. angulolumonosus + bathyreticulatus, T. antonii, T. auritus, T. balmei, T. brevicolpus, T. clarensis, T. confessus, T. crassoexinatus, T. crassus, T. cummunis, T. exiguiexemplum, T. heusseri, T. hians, T. hians, T. incisus, T. interangulus, T. lillie, T. lilliei, T. lumbrerensis, T. maximus, T. micromurus, T. parvistriatus, T. perlongicolpus, T. petriellai, T. phillipsii, T. reticulominutus, T. rigens, T. risus, T. secarius, T. simatus, T. striatus, T. thomasii, T. tienabaensis, T. wilsonii, T. irregularis, T. confessus, T. phillipsii
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Tricolpites bibaculatus Archangelsky and Zamaloa |
| 2017 | Tricolpites bibaculatus Povilauskas p. 319 |
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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.
†Tricolpites bibaculatus Archangelsky and Zamaloa 1986
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Archangelsky and M. C. Zamaloa 1986 | Grano prolado de extremos redondeados. Colpos llegando de cerca de los polos, de márgenes irregulares. Exina reticulada semitectada. Retículo de lúmenes poligonales de tamaño irregular de 0.7 a 4 µm de diámetro, muros 0.7 a 1 µm de ancho. Nexina de ca. 1 µm de espesor, sexina de hasta 2 µm. Columelas anchas con cabezas expandidas y parcialmente fusionadas dispuestas en hileras dobles o simples. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| Pollen grain diameter | 2 | 0.024 | 0.019 | 0.031 | 0.025 | 0.008 |
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Argentina (Santa Cruz) | Tricolpites bibaculatus (168710 240044 240045 240054 240056 240528) | |
| Danian | Argentina (Chubut) | Tricolpites bibaculatus (136505) | |
| Danian | Argentina (Santa Cruz) | Tricolpites bibaculatus (240088) |