Phillips, J. (1841). Figures and descriptions of the Palaeozoic fossils of Cornwall, Devon and West Somerset. <em>London: Longman, Brown, Green & Longmans.</em> 231 pp., available online athttps://www.biodiversitylibrary.org/page/60231461 page(s): 103 [details]
original descriptionPhillips, J. (1841). Figures and descriptions of the Palaeozoic fossils of Cornwall, Devon and West Somerset. <em>London: Longman, Brown, Green & Longmans.</em> 231 pp., available online athttps://www.biodiversitylibrary.org/page/60231461 page(s): 103 [details]