八瓣帽天囊水母(學名:Maotianoascus octonarius)是澄江動物群中的一種動物,發現於雲南澂江縣帽天山,由侯先光等人描述。動物體呈卵形,輻射對稱,也可兩側對稱,口位於身體下部中央,表面有從上到下的擺列均勻的八條櫛板列,故名。分類上屬於櫛板動物門硬骨綱,目及科未定,也有分入腔腸動物門的。[1]八瓣帽天囊水母類似於現生的櫛水母,但櫛板數目比現生種要多,有16條。[2]
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