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Saparin, M.A. and Ismail, M.S. (2023) Latest Ordovician to earliest Silurian graptolites of northwest Peninsular Malaysia. Journal of Paleontology, 97 (2). pp. 395-420.

Saparin, M.A. and Ismail, M.S. (2022) Review on the Graptolites from the Lituigraptus convolutus and Stimulograptus sedgwickii biozones of Pulau Langgun, Langkawi, Malaysia. In: UNSPECIFIED.

Saparin, M.A. and Williams, M. and Zalasiewicz, J. and Komatsu, T. and Rushton, A. and Doan, H.D. and Trinh, H.T. and Nguyen, H.B. and Nguyen, M.T. and Vandenbroucke, T.R.A. (2020) Graptolites from Silurian (Llandovery Series) Sedimentary Deposits Attributed to a Forearc Setting, Co to Formation, Co to Archipelago, Northeast Vietnam. Paleontological Research, 24 (1). pp. 26-40. ISSN 13428144