You will be given a definition of a task first, then some input of the task.
Given a sentence in English, provide an equivalent paraphrased translation in Chinese that retains the same meaning both through the translation and the paraphrase.

Neptunea alexeyevi is a species of sea snail , a true gastropod mollusk in the Buccinidae family , the whelks navy .
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
海王星（Neptunea alexeyevi）是一种海洋蜗牛，是一种真正的腹足动物软体动物，在海洋崽（Buccinidae）中。