Bigsby, J. J. (1868). Thesaurus siluricus.: The flora and fauna of the Silurian period, with addenda (from recent acquisitions). J. Van Voorst.
MLA CitationBigsby, John J. Thesaurus Siluricus.: The Flora and Fauna of the Silurian Period, with Addenda (from Recent Acquisitions). J. Van Voorst, 1868.
Warning: These citations have been automatically generated and may not always be 100% accurate..