Sahni, M. R. (1929). A monograph of the Terebratulidae of the British Chalk. <em>Palaeontographical Society Monograph.</em> 81:1–62, 10 pl.[details]
Verhoeff, T. (2023). World Brachiopoda Database. Gryphinae Sahni, 1929. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=235214 on 2023-10-01
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Gryphinae Sahni, 1929. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=235214 on 2023-10-01
original descriptionSahni, M. R. (1929). A monograph of the Terebratulidae of the British Chalk. <em>Palaeontographical Society Monograph.</em> 81:1–62, 10 pl.[details]
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