Distaltriangulisporites, Singh, 1971
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publication ID |
https://doi.org/10.5252/g2011n1a6 |
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DOI |
https://doi.org/10.5281/zenodo.4610058 |
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persistent identifier |
https://treatment.plazi.org/id/039A87FC-FFD6-6174-FCC2-FB7BFF5EFDFC |
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treatment provided by |
Felipe (2021-03-11 13:46:52, last updated by Julia 2024-10-16 18:26:52) |
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scientific name |
Distaltriangulisporites |
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Incertae sedis sp. 1 ( Fig. 13N, O View FIG )
OCCURRENCE. — Ashikajima Fm.
DESCRIPTION
Microspore? Amb circular. The proximal face is not seen. The exine is reticulated with a mesh polygonal, of various shapes and sizes (lumina 1-5 µm in
(Bolkhovitina, 1953) Playford & Dettmann, 1965, proximal and distal faces, Kimigahama Fm, I1 a-Z52; J, Laevigatosporites sp., lateral view, Ashikajima Fm,II 2e-Y60 ; K, Laevigatosporites ovatus Wilson & Webster,1946,lateral view, Kimigahama Fm, I1 c-P35/3; L, Exesipollenites tumulus Balme, 1957 , distal view, Kimigahama Fm, I1 a-R60/3 ; N, Callialasporites sp. cf C. ugensis Takahashi & Sugiyama, 1990 , Ashikajima Fm, II 2f-Y42/3 ; O, Eucommiidites troedssonii (Erdtman,1948) Potonié, 1958, Kimigahama Fm, I1 b-R39 ; P, Cerebropollenites mesozoicus ( Couper,1958) Nilsson,1958 , lateral view, Ashikajima Fm,II2a-J61/1d ; Q, Alisporites sp., polar view, Ashikajima Fm, II2d-Q59/2 ; R, Callialasporites dampieri (Balme, 1957) Sukh-Dev, 1961, Ashikajima Fm, II 2b-T46/ 4m. Scale bar: 10 μm.
diameter). The exine is about 1.5 µm thick. Equatorial diameter = 20-25 µm.
REMARKS
Only a group of these elements was observed, and isolated ones must be found to permit an observation of the two faces and propose an identification.
BOTANICAL AFFINITIES
Unknown.
COUPER R. A. 1958. - British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. Palaeontographica 103 B: 75 - 179.
DETTMANN M. E. 1963. - Upper Mesozoic microfloras from southeastern Australia. Proceedings of the Royal Society of Victoria 77 (1): 1 - 148.
POTONIE R. 1958. - Synopsis der Gattungen der Sporae dispersae. II. Teil: Sporites (Nachtrage), Saccites, Aletes, Praecolpates, Polyplicates, Monocolpates. Beihefte zum Geologischen Jahrbuch 31: 1 - 114.
TAKAHASHI K. & SUGIYAMA R. 1990. - Palynomorphs from the Santonian Uge Member of the Taneichi Formation, northeastern Japan. Bulletin of the Faculty of Liberal Arts, Nagasaki University, Natural Science 30: 133 - 573.
FIG. 13. — Pollen grains, alga and fungus from the Barremian of south-west Japan: A, Pityosporites sp. cf. P. constrictus Singh, 1964, lateral view, Ashikajima Fm, II2b-J34/1; B, Alisporites thomasii (Couper, 1958) Pocock, 1962, polar view, Ashikajima Fm, II2b-O42/3; C, Incertae sedis sp. 2, Ashikajima Fm, II2c-W65/4; D, Balmeiopsis limbatus (Balme, 1957) Archangelsky, 1977, Ashikajima Fm, II2d- N41/2; E, Inaperturopollenites sp., Kimigahama Fm, I1b-U64/4; F-H, Classopollis torosus (Reissinger, 1950) Couper, 1958 emend.
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University of the Witwatersrand |
| L |
Nationaal Herbarium Nederland, Leiden University branch |
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Nanjing University |
| O |
Botanical Museum - University of Oslo |
| P |
Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants |
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Universidad Central |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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