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TR,
Great pics! Thank you.
Arrowheads, the ones that are attached to the end of arrows for launching from a bow are fairly small and vary from "bird" points to the larger ones used for deer and elk.
Next size up are the atlatl points then the spear points for both hand pushed and thrown weapons.
Some of oldest and biggest spear points found in North America are referred to as "clovis". These are thought to have been used for the mega fauna found here 10,000 to 12,000 plus years ago.
There are small knives, scrapers, drills and blades big enough for salmon knapped out of stone. Each category mentioned has many variations of shapes and sizes.
Some knapped tools have baffled researchers who admit they have no idea what some they were used for.
The only definition I can state with confidence for all these stone tools is "lithics".
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