Pleuracanthus
noun
Pleu·ra·can·thus
ˌplu̇rəˈkan(t)thəs
: a genus (the type of the family Pleuracanthidae) of Paleozoic sharks of the Carboniferous and Lower Permian of Europe and North America having a subterminal mouth, long dorsal fin, and a strong serrated spine on the nape
Word History
Etymology
New Latin, from pleur- + -acanthus