西印度聖螺 西印度聖螺學名Turbinella angulata又名西印度鉛螺或燈螺是熱帶海域一種非常大的海螺有鰓和螺厣是拳螺科鉛螺屬之下的一個腹足綱軟體動物的物種 The name chank for the shell of this species is derived from the word shankha the divine conch or sacred conch Turbinella pyrum a closely related species from the Indian Ocean