Acanthotretella is a genus of brachiopods known from the Burgess Shale and the Guanshan fauna.
Their spines are proposed to be homologous with those of the Siphonotretids.
Species Acanthotretella decaius Hu, Zhang, Holmer & Skovsted, 2010 Acanthotretella spinosa Holmer & Caron, 2006
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