Knefastia howelli is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
The length of the shell attains 31 mm, its diameter 11 mm.
This species occurs in the Pacific Ocean off Costa Rica.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Knefastia howelli".
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