Leptomitus
Leptomitus is a genus of demosponge known from the Middle Cambrian Burgess Shale. 138 specimens of Leptomitus are known from the Greater Phyllopod bed, where they comprise 0.26% of the community.
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。