Jaanusson, V.; Bassett, M. G. (1993). <i>Orthambonites</i> and related Ordovician brachiopod genera. <em>Palaeontology.</em> 36(1): 21-63.[details] Available for editors
original descriptionJaanusson, V.; Bassett, M. G. (1993). <i>Orthambonites</i> and related Ordovician brachiopod genera. <em>Palaeontology.</em> 36(1): 21-63.[details] Available for editors