Singh, S. N.; Kalia, P. (1970). Shastrina—a new heterohelicid genus and new species of Pseudogloborotalia Haque and Chiloguembelina Loeblich and Tappan from Kirthars of Rajasthan, India. Proceedings of the Indian National Science Academy. 36, B: 166-174.
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Singh, S. N.; Kalia, P. (1970). Shastrina—a new heterohelicid genus and new species of Pseudogloborotalia Haque and Chiloguembelina Loeblich and Tappan from Kirthars of Rajasthan, India. Proceedings of the Indian National Science Academy. 36, B: 166-174