1 entry 1 source
Psarolite
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A silicified stem of tree fern, found in abundance in the Triassic sandstone.
1 entry 1 source
Part of speech: noun (n.)
A silicified stem of tree fern, found in abundance in the Triassic sandstone.