gǔ shēng wù xué jiā / zài / huà shí / zhōng / fā xiàn / le / zhè zhǒng / shēng wù / de / wàn zú / hén jì古生物学家在化石中发现了这种生物的腕足痕迹。Paleontologists found tentacle traces of this creature in fossils.