(ofSerpula (Sclerostyla) crassa Sowerby, 1812-15 †)Sowerby, J. (1812-1815). The mineral conchology of Great Britain; or coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth [Vol. I]. London, privately published, pp. i-vii, 9-234 + index [2 pp.], pl. 1-102., available online athttp://www.biodiversitylibrary.org/bibliography/14408 page(s): 73, 74 [details]
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Pyrgopolon crassum (Sowerby, 1812) †. Accessed at: https://www.marinespecies.org/polychaeta/aphia.php?p=taxdetails&id=431812 on 2024-04-26
original description(ofSerpula (Sclerostyla) crassa Sowerby, 1812-15 †)Sowerby, J. (1812-1815). The mineral conchology of Great Britain; or coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth [Vol. I]. London, privately published, pp. i-vii, 9-234 + index [2 pp.], pl. 1-102., available online athttp://www.biodiversitylibrary.org/bibliography/14408 page(s): 73, 74 [details]