MolluscaBase taxon details
original description
(of Bathytoma antecostata Suter, 1917 †) Suter, H. (1917). Descriptions of new Tertiary Mollusca occurring in New Zealand, accompanied by a few notes on necessary changes in nomenclature. <em>New Zealand Geological Survey Paleontological Bulletin.</em> 5: i-vi, 1-93., available online at https://archive.org/details/materialsforpala19thom/page/n407/mode/2up
page(s): 53 [details]
original description
(of Defranchia excavata F. W. Hutton, 1877 †) Hutton, F. W. (1877). Descriptions of some new Tertiary Mollusca from Canterbury. <em>Transactions of the New Zealand Institute.</em> 9: 593-598.
page(s): 595 [details]
basis of record
Maxwell, P. A. (2009). Cenozoic Mollusca. Pp 232-254 in Gordon, D. P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch. [details]