coenopterid

名词 n.

英文释义

名词 n.
  1. A fern of the Coenopteridale order, which is a taxon that is no longer used, but which used to represent ferns from the Devonian period into the Permian.
    — Indeed, many of the coenopterids show little distinction between stem and leaf, and protostelic axes are rather common.

词形变化

coenopterids plural
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