from The Century Dictionary and Cyclopedia
- n. A genus of ostracoderm fishes of the order Heterostraci, with the head covered by a simple, triangular, dorsal shield from 3–5 inches long, notched at the orbits and without posterior spine, and by a quadrate ventral shield. One species is from the Salina group of the Silurian in Perry county, Pennsylvania, the other from the Old Red Sandstone of the Scottish Devonian.
Sorry, no etymologies found.
Sorry, no example sentences found.