ICHTHYODORULITE

ˌ ̷ ̷ ̷ ̷ōˈdȯr(y)əˌlīt noun

also ich·thyo·dor·y·lite -rəˌ-

( -s )

Etymology: ichthy- + dory- or doru- (alteration of dory- ) + -lite

: a fossil fin spine, dermal spine, or tubercle of a fish or ichthyoid vertebrate