lantern shell
A type of bivalve mollusk; the Japanese name refers to its resemblance to an old man's face (翁).
翁貝は、殻の模様が老人の顔のように見えることから名付けられた。
The lantern shell was named because the pattern on its shell resembles an old man's face.
The name 翁貝 (おきながい) literally means 'old man shell', from 翁 (old man) + 貝 (shell), referring to the shell's appearance.