Riccia thongjaorokensis — A new fossil liverwort from Oligocene beds of the Tertiary, Northeast India
- 94 Downloads
A fossil gametophytic thallus, resembling Riccia L., from the Barail Sandstone (Early Oligocene) of the Thongjaorok Stream section (24°27′41″N and 93°44′40″E) of Manipur in Northeast India is reported as a new species — Riccia thongjaorokensis. Description of this new taxon is based on a cluster of 5–6 well preserved gametophytic thalli. This paper deals also with the paleoecology of the area.
KeywordsRiccia Oligocene Thongjaorok Manipur
Unable to display preview. Download preview PDF.
- Inoue, H. (1960) Studies in the spore germination and earlier stages of gametophyte development in the Marchantiales. Jour. Hattori Bot. Lab., v.23, pp.148–191Google Scholar
- Mitra, J.N., Mitra, D. and Choudhuri, S.K. (1990) Studies in Botany. v.1, 6th Revised Editon Sri Dwiptendra Nath Moulik.Google Scholar
- Sahito, M.A. and Nizamani, Z.A. (1989) Fossil fungal remains isolated from Sonda coal deposits. Sarhad Jour. Agric., v.5, pp.497–502.Google Scholar
- Sheik, M.T. and Kapgate, D.K. (1982) First petrified fossil Riccia L from Indian Beds. Curr. Sci., March, v.51(5).Google Scholar
- Venkatachala, B.S. and Rawat, M.S. (1973) Palynology of Tertiary sediments in the Cauvery Basin (2), Oligocene — Miocene palynoflora from the surface. Palaeobotanist Jour., v.20, pp.238–263.Google Scholar
- Volk, O.H. and Perold, S.M. (1986) Studies in the genus Riccia (Marchantiales) from Southern Africa: 5. Riccia rosea a new species. Bothalia, Jour., v.16, pp.181–185.Google Scholar