Abstract

Presumed algal remains described by Walcott (1914) under the names "Camasia," "Copperia," "Greysonia," and "Newlandia major" are pseudofossils formed by replacement along fractures and bedding planes. Newlandia frondosa and N. lamellosa , also named by Walcott, could be algal stromatolites and are retained as dubiofossils.

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