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Harsh, R.
- Mesozoic Conifers of India – Megafossils – an Overview
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1 Botany Department MS Govt. Girls College, Bikaner – 334001, IN
2 Kath Mandi, Narnaul – 123001, IN
3 4B/7 Partap Nagar, Jodhpur – 342001, IN
4 Deparment of Botany, Govt. Girls College, Balotra – 344022, IN
1 Botany Department MS Govt. Girls College, Bikaner – 334001, IN
2 Kath Mandi, Narnaul – 123001, IN
3 4B/7 Partap Nagar, Jodhpur – 342001, IN
4 Deparment of Botany, Govt. Girls College, Balotra – 344022, IN
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Nelumbo - The Bulletin of the Botanical Survey of India, Vol 60, No 1 (2018), Pagination: 51-68Abstract
Critical assessment is given of the fossil conifers (gymnospersm) reported and described from the Upper Triassic to Lower Cretaceous rocks of the Indian sub–continent. Morphology and anatomy of woods (stems) ischolar_mains, twigs, leaves and fertile structures both male and seed-bearing fructifications and isolated petrified seeds are included in this review. Majority of extinct conifers belong to Podocarpaceae and Araucariaceae. Representatives of Taxodiaceae, Cupressaceae and Taxaceae are also reported in this paper. This account will enhance our knowledge of the Mesozoic vegetation, distribution and kind of forests and in tracing the phylogeny of controversial taxa of extant conifers. Palynology and stratigraphy are not discussed in this paper. A detailed review of literature on Mesozoic conifers of India is given.Keywords
Conifers, Gymnosperms, India, Mesozoic Megafossils, Review.Full Text
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- Fresh-Water Fossil Algae from The Eocene Lignite of Barsinghsar near Bikaner, Rajasthan, India
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Authors
R. Harsh
1,
S. Shekhawat
2
Affiliations
1 College Education, Bikaner Division, Bikaner - 334001, IN
2 Department of Botany, M. S. Govt. Girls College Bikaner, Rajasthan - 334001, IN
1 College Education, Bikaner Division, Bikaner - 334001, IN
2 Department of Botany, M. S. Govt. Girls College Bikaner, Rajasthan - 334001, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 62, No 2 (2020), Pagination: 259-263Abstract
The lignite deposits at Barsinghsar in Rajasthan possess almost all plant groups either in the form of spores and portions or fragmented portions of vegetative and fertile forms. The present paper reports the occurrence microscopers of green algae belonging to the genera Closterium Nitzsch, Hydrodictyon Roth and Volvox L. from Barsinghsar, a Eocene lignite site near Bikaner. Palaeoecological conditions during Eocene in Rajasthan is also described.Keywords
Alga, Barsinghsar, Closterium, Eocene, Hydrodictyon, India, Lignite, Rajasthan, Volvox.Full Text
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- An Extinct Lichen from the Mesozoic of the Rajmahal Hills, Jharkhand, India
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Authors
B. D. Sharma
1,
R. Harsh
2
Affiliations
1 Kath Mandi, Narnaul 123001, IN
2 College Education, Bikaner Division, Bikaner - 334001, IN
1 Kath Mandi, Narnaul 123001, IN
2 College Education, Bikaner Division, Bikaner - 334001, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 62, No 2 (2020), Pagination: 264-265Abstract
The present paper deals with the description of an extinct aggregate lichen as petrifaction in a silicified chert of Nipania in the Rajmahal Hills, Jharkhand, India.Keywords
Mesozoic, Petrified Complicated Lichen, Rajmahal Hills.Full Text
References
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