xenacanthiform

名词 n. 形容词 adj.

英文释义

名词 n.
  1. Any of the order †Xenacanthiformes of extinct shark-like chondrichthyans.
形容词 adj.
  1. Relating or belonging to the order †Xenacanthiformes. not-comparable

词形变化

xenacanthiforms plural

词源

词源 1
From taxonomic name Xenacanthiformes, derived from the genus Xenacanthus [from Ancient Greek ξένος (xénos, “foreign, alien”) + ἄκανθος (ákanthos, “spine”)] + -iformes.
词源 2
From taxonomic name Xenacanthiformes, derived from the genus Xenacanthus [from Ancient Greek ξένος (xénos, “foreign, alien”) + ἄκανθος (ákanthos, “spine”)] + -iformes.
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