J Godefroid, B Mottequin, and E. L Yochelson (2006)
Restudy of the Lower Carboniferous Scaphopoda described by De Koninck (1843,1883)
Bulletin de l'Institut royal des Sciences naturelles de Belgique,Sciences de la Terre, vol. 76 p. 137-163.
15472, CARB, TN, PAL
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