trapezium horse conch
A species of sea snail; the name is typically written in katakana as イトマキボラ.
The trapezium horse conch is a type of sea snail that lives in warm seas.
Katakana spelling is standard for this species name.
Kanji spelling is rare; the word is usually written in kana.
The name イトマキボラ literally means 'thread-winding conch', likely from the shell's shape or markings. The exact derivation is uncertain.