Traits taxon details
original description
Lea, H. C. (1843). Abstract of a paper read before the American Philosophical Society, May 29th, 1843, entitled "Descriptions of some new fossil shells, from the Tertiary of Petersburg, Virginia". H.C. Lea, Philadelphia. 12 pp. [Published before 18 October 1843. A separate and advanced publication of H.C. Lea 1846, with the same title]. page(s): 8 [details] 
basis of record
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): 509, fig. 2A [details]
additional source
Lea, H. C. (1846). Description of some new fossil shells, from the Tertiary of Petersburg, Virginia. <em>Transactions of the American Philosophical Society, new series.</em> 9(2): 229-274., available online at https://www.biodiversitylibrary.org/page/28860625 page(s): 256, pl. 36 fig. 58 [details]
redescription
Lea, H. C. (1845). <i>Description of some new fossil shells, from the Tertiary of Petersburg, Va.</i> Philadelphia, 48 pp., pls 34–37. [A preprint of H.C. Lea, 1846]. , available online at https://www.biodiversitylibrary.org/page/21733034 page(s): 30, pl. 36 fig. 58 [details]
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