Knefastia etteri is an extinct species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae, the turrids and allies.
Distribution This extinct marine species was found in lower Miocene strata in Venezuela.
References
External links Landau, Bernard M., et al. "Systematics of the gastropods of the Lower–Middle Miocene Cantaure Formation, Paraguaná Peninsula, Venezuela." Bulletins of American Paleontology 389.390 (2016): 1-582