Bibliography
Source: Catalogue of Life
4 results
Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. |
extinct group. |
Neave, S. A. and successors. (1939-2004). Nomenclator Zoologicus, vols. 1-10 online. [developed by uBio, hosted online at MBLWHOI Library]. Previously at http://ubio.org/NomenclatorZoologicus/ (URL no longer current). |
Smithson. Misc. Coll., 75 |
Citation
†Elkia Walcott, 1924 in undefined