Litostroma

Litostroma is a genus of marine alga that may be a red, although green and brown affinities have also been proposed.^[2] It consists of single-cell-thick thalli that reached about 6 mm in diameter and 140 μm thickness.^[1]

Litostroma Temporal range: Pennsylvanian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Genus:	Litostroma Mamay, 1959[1]
Species
L. oklahomense Mamay, 1959[1]