tailshield

名词 n.

英文释义

名词 n.
  1. The pygidium.
    — Trilobites have a distinct headshield or cephalon and a distinct tailshield or pygidium, and in both these regions the original segmentation has been suppressed — more completely in the cephalon than in the pygidium — and [...]

词形变化

tailshields plural

词源

From tail + shield.
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