Myurellopsis undulata
Myurellopsis undulata, common name the undulate auger, is a species of sea snail, a marine gastropod mollusc in the family Terebridae, the auger snails. Description
The length of the shell varies between 25 mm and 60 mm. Distribution
This marine species occurs in the Persian Gulf, in the Indian Ocean off Madagascar, Aldabra and Chagos; in the Pacific Ocean off New Guinea, Hawaii and Fiji. References

 Bratcher T. & Cernohorsky W.O. (1987). Living terebras of the world. A monograph of the recent Terebridae of the world. American Malacologists, Melbourne, Florida & Burlington, Massachusetts. 240pp. Terryn Y. (2007). Terebridae: A Collectors Guide. Conchbooks & NaturalArt. 59pp + plates. Severns M. (2011) Shells of the Hawaiian Islands - The Sea Shells. Conchbooks, Hackenheim. 564 pp. External links
 
 Fedosov, A. E.; Malcolm, G.; Terryn, Y.; Gorson, J.; Modica, M. V.; Holford, M.; Puillandre, N. (2020). Phylogenetic classification of the family Terebridae (Neogastropoda: Conoidea). Journal of Molluscan Studies

Terebridae
Gastropods described in 1834