MolluscaBase taxon details
original description
Weaver, C. E. (1905). Contribution to the palaeontology of the Martinez Group. <em>University of California Publications, Bulletin of the Department of Geology.</em> 4: 101-123., available online at https://www.biodiversitylibrary.org/page/43703573
page(s): 119 [details]
basis of record
Squires, R. L. (2014). Fossil record of the Ficid gastropods <i>Urosyca</i>, <i>Priscoficus</i>, and <i>Ficus</i> from coastal-western North America: Phylogenetic and global paleobiogeographic implications. <em>Contributions in Science.</em> 522: 1-27., available online at https://www.biodiversitylibrary.org/page/52303329 [details]