Left: Osteolepis was a slim-
bodied, multi-finned rhipidistian,
or fan-sail, and beIOnge/:J to the
subgroup of lobe-fins called
ctossootervqiens, or tassel-fins,
which also included coelecenths.
It had large, shiny, squarish-
shaped scales of the type
known as cosmine, which had
a surface layer of spongy bone.
Cosmine also covered the bones
of the head