original description
Gabb, W. M. (1862). Descriptions of new species of Cretaceous fossils from New Jersey, Alabama and Mississippi. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 13: 318-330 ["1861"]., available online at https://www.biodiversitylibrary.org/page/1683447
page(s): 318 [details]
original description
(of Acteon forbesiana Whitfield, 1892 †) Whitfield R.P. (1892). Gastropoda and Cephalopoda of the Raritan Clays and Greensand Marls of New Jersey. <em>United States Geological Survey Monograph.</em> 18: 1-402, 50 pls., available online at https://www.biodiversitylibrary.org/page/42454439
page(s): 157, pl. 19 figs 17–22 [details]
status source
Cunha, C. M. & Salvador, R. B. (2018). Type specimens of fossil “Architectibranchia” and Cephalaspidea (Mollusca, Heterobranchia) in the Academy of Natural Sciences of Philadelphia. <em>Zoosystematics and Evolution.</em> 94(2): 505-527., available online at https://doi.org/10.3897/zse.94.27401
page(s): 508, figs 1Q-R [details]
From editor or global species database