galeaspid

名词 n.
中文释义

英文释义

名词 n.
  1. Any of the extinct class †Galeaspida of jawless fish.
    — An interesting example is provided by the “polybranchic” condition in extinct jawless vertebrate taxa, which display an extremely large number of gills, such as some early Devonian galeaspids and the late Devonian euphaneropids.

词形变化

galeaspids plural

词源

From Latin galea (“helmet”) + aspis (from Ancient Greek ἀσπίς (aspís, “round shield”)); compare translingual †Galeaspida.
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