The fossil flora of the Jabalpur group - 1. Ptilophyllum institacallum n. sp.

Authors

  • M.N. Bose Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226007, India

DOI:

https://doi.org/10.54991/jop.1958.568

Abstract

Ptilophyllurn institacallum n. sp. is characterized by its thick lower cuticle with cells having variously shaped papillae. The stomata are irregularly scattered over the lower cuticle which shows no distinction between stomatiferous and non-stomatiferaus bands.

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References

BOSE, M. N. (1953). Ptilophyllum amarjolense sp. nov. from the Rajmahal Hills, Bihar. Proc. Nat. Inst. Sci. India. 19 (5).

BOSE, M. N. & SUKH DEV (1957). A new species of Ptilophyllum from Bansa, South Rewa Gondwana basin. The Palaeobotanist. 6: 12-15. https://doi.org/10.54991/jop.1957.547

HARRIS, T. M. (1941). Ptilophyllum gracile, sp. n. Ann. & Mag. Nat. Hist. 11 (8).

Idem (1942). Notes on the Jurassic flora of Yorkshire, 1. Ptilophyllum caytonense, sp. n. Ann. & Mag. Nat. Hist. 11 (9).

Idem (1946). Notes on the Jurassic flora of Yorkshire, 31-33. Ptilophyllum pectinoides (Phillips) Morris. Ibid. 11 (13).

Idem (1949). Notes on the Jurassic flora of Yorkshire 40-42 Ptilophyllum hirsutum Thomas and Bancroft and its differentiation from P. pectin (Phillips). Ibid 12 (2).

JACOB, K. & JACOB, C. (1954). Cuticular Study Indian Ptilophyllum fronds from Cutch and Jubbulpore. Mem. Geol. Surv. India. Palaeont. Indica. 33 (1).

THOMAS, H. G. & BANCROFT, N. (1913). On the cuticles of some recent and fossil Cycadean fronds. Trans. Linn. Soc. London. 8(5).

SAH, S. C. D. (1958). Ptilophyllum sakrigaliensis n. sp. from Sakrigalighat, Rajmahal Hills, Bihar. Proc. Ind. Sci. Cong. Abst. 3.

SEWARD, A. C. & SAHNI, B. (1920). Indian Gondwana plants: A revision. Mem. Geol. Surv. India. Palaeont. Indica. 8 (1).

VISHNU-MITTRE (1956). Studies on the fossil flora of Nipania, Rajmahal series, India – Bennetales. The Palaeobotanist. 5: 92-99. https://doi.org/10.54991/jop.1956.493

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Published

1958-12-31

How to Cite

Bose, M. (1958). The fossil flora of the Jabalpur group - 1. Ptilophyllum institacallum n. sp. Journal of Palaeosciences, 7((1-2), 26–28. https://doi.org/10.54991/jop.1958.568

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Research Articles