Cauda galli

Cau·da gal·li

Cauda galli
  1. A plume-shaped fossil, supposed to be a seaweed, characteristic of the lower Devonian rocks; as, the cauda galli grit. (Paleon.)

Phrases & Compounds
Cauda galli epoch
an epoch at the begining of the Devonian age in eastern America, so named from the characteristic gritty sandstone marked with impressions of Cauda galli. See the Diagram under Geology.