Traits taxon details
original description
Pilsbry, H. A. & Olsson, A. A. (1941). A Pliocene fauna from western Ecuador. <em>Proceedings of the Academy of Natural Science of Philadelphia.</em> 93: 1–79, 19 pls. page(s): 13 [details] Available for editors
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): 508, figs 1I-J [details]
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