Assertion: mastodon | /r/CapableOf | fill with structure
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text: There is no record, as far as I know, of mastodon molar fragments being used by humans to make tools, but mastodons, especially young individuals like the Cerutti specimen, had large cavities inside their molars, filled with enough connective tissue, vascular, lymphatic and nerve structures to make it worthwhile to break open such a tooth to get access to this “pulp.