MolluscaBase taxon details
original description
(of Pyrula distans G. B. Sowerby I, 1846 †) Sowerby, G. B. I. (1846). Appendix to part II. Descriptions of Tertiary fossil shells from South America. In: Darwin, C. Geological Observations on South America. Being the third part of the geology of the voyage of the Beagle under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836. Smith, Elder & Co., London. pp 249-264, pls 2-5. , available online at http://darwin-online.org.uk/content/frameset?itemID=F273&viewtype=text&pageseq=1 page(s): 259, pl. 4, fig. 61 [details]
additional source
Covacevich, V.; Frassinetti, D. (1980). El género Ficus en el Mioceno de Chile central con descripción de F. gayana sp. nov. <em>Boletín del Museo Nacional de Historia Natural de Chile.</em> 37: 281-294. page(s): 289, fig. 3, 4, 4a-b, 5a-b, 10 [details] Available for editors [request]
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