Traits taxon details
original description
(of ) Stilwell, J. D.; Zinsmeister, W. J. (1992). Molluscan Systematics and Biostratigraphy. Lower Tertiary La Meseta Formation, Seymour Island, Antarctic Peninsula. Antarctic Research Series 55. American Geophysical Union, Washington, D.C., ix + 192 pp., available online at https://doi.org/10.1029/AR055 page(s): 92 [details] Available for editors
additional source
Beu, A. G. (2009). Before the ice: biogeography of Antarctic Paleogene molluscan faunas. <em>Palaeogeography, Palaeoclimatology, Palaeoecology 284: 191-226.</em> page(s): 210; note: declared not referrable to Levella [details]
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