Dictionary

tailshield en · NOUN

Etymology

From tail + shield.

Meanings

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 [...] 1985, E. W. Nield, Ted Nield, V. C. T. Tucker, Palaeontology, an Introduction:

Forms