On some species of Ginkgoites from the Jurassic of the Rajmahal Hills, Bihar

Authors

  • S.C.D. Sah Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow 226007, India

DOI:

https://doi.org/10.54991/jop.1953.431

Abstract

The paper describes a number of leaf impressions referred to the genus Ginkgoites Seward from Sakrigalighat. The specimens, on the basis of the shape and size of the lamina, can be separated into different species. There are two chief types: (1) Leaves comparatively large, divided into four cuneate segments each of which is again partially divided. (2) Leaves small and divided into four to five linear segments which may again be divided. In both the cases the leaves possess a distinct and fairly long petiole.

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References

Feistmantel, O. (1877). Fossil flora of the Gondwana system. Flora of the Jabalpur group (Upper Gondwana) in the Son-Narbada region. Palaeont. Ind. Mem. Geol. Surv. India. 2(2).

Idem (1879). Ibid. Outliers on the Madras coast. Palaeont. Ind. Mem. Geol. Surv. India. 1(4).

Jacob, K. (1938). Fossil plants from Sakrigalighat in the Rajmahal hills, with remarks on the age of the beds. Proc. 25th Ind. Sci. Cong. Pt. III. Abstracts: 152-153.

Seward, A. C. (1919). Fossil plants. 4. Cambridge.

Seward, A. C. & Sahni, B. (1920). Indian Gondwana plants: A revision. Palaeont. Ind. Mem. Geol. Surv. India. (N. S.). 7(1).

Sahni, B. & Rao, A. R. (1933). On some Jurassic plants from the Rajmahal hills. Jour. Proc. Asia. Soc. Beng. (N.S.). 27(2).

Sah, S. C. D. (1952). Occurrence of Ginkgoales in the Rajmahal series of Bihar. Curr. Sci. 21(5): 129-130.

Walkom, A. B. (1917). Mesozoic flora of Queensland. Queens. Geo. Surv. Pub. No. 259.

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Published

1953-12-31

How to Cite

Sah, S. (1953). On some species of Ginkgoites from the Jurassic of the Rajmahal Hills, Bihar. Journal of Palaeosciences, 2, 55–58. https://doi.org/10.54991/jop.1953.431

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Research Articles

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