acanthology
noun
- the study of spines (as of sea urchins) especially as an adjunct of taxonomy
Wiktionary
Pronunciation: /(ˌ)æˌkænˈθɑləd͡ʒi/ / /ˌækənˈθɑləɡd͡ʒi/ / /əˌkænˈθɑləd͡ʒi/
noun
Etymology: From acantho- + -logy.
- The study of spined things, in particular sea urchins, and the resultant impact on taxonomy.