Knefastia olivacea, common name the olivaceous turris, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Description
The length of the shell varies between 45 mm and 60 mm.
Distribution
This marine species was found from the Sea of Cortez, Western Mexico, to Ecuador. Fossils have been found in Quaternary strata at the coast of Oaxaca, Mexico; age range: 0.126 to 0.012 Ma; also in Pleistocene strata in Costa Rica
References
Sowerby, G. B. "The Genera of Recent and Fossil Shells, vol. II." London, pls (1834): 127–262.
External links
Gastropods.com: Knefastia olivacea
Natural History Museum Rotterdam: Knefastia olivacea
Bastida-Zavala, Rolando, García-Madrigal, María del, Rosas-Alquicira, Edgar, López-Pérez, Andrés, Benitez Villalobos, Francisco, Meraz, Juan, Torres, Ana, Montoya-Marquez, José, Barrientos-Luján, Norma Arcelia : Marine and coastal biodiversity of Oaxaca, Mexico, 2013; DOI 10.15560/9.2.329 M. Glibert. - Les Conacea fossiles du Cénozïque étranger; Collections de l'Institut royal des Sciences naturelles de Belgique, 1960