Phymorhynchus buccinoides is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

[2] The Japanese name of this species is Tsubunari-shajiku.

[3] The type locality is off Hatsushima, Sagami Bay, 35°00.2' N, 139°13.5' E, Japan in depth 1160 m.[3] There is no known other locality up to 2005.

[3] It lives in seeps.

This Raphitomidae-related article is a stub.