名詞 belemnite:

1. a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae

bel.em.nite

n.（名詞）
A cone-shaped, fossilized internal shell of any of an extinct genus of cephalopods related to the cuttlefish.
箭石：由滅絕的與烏賊有血親關(guān)系的頭足綱動(dòng)物的內(nèi)殼形成的尖錐狀化石

來(lái)源：
New Latin belemnotôs
現(xiàn)代拉丁語(yǔ) belemnotôs
from Greek belemnon [dart] * see g wel…-
源自 希臘語(yǔ) belemnon [標(biāo)槍，短矛，投標(biāo)槍] *參見(jiàn) g wel…-