Pictures of sharks teeth

The above were all found within about 10-20 yards of each other a few days ago.  The two larger ones appear to have been fashioned into arrowheads (although I can't rule out a gift whop necklace, an independent evaluator suggested an arrowhead).

Arrowhead #1 by itself

Arrowhead #2 by itself

Carcharocles, I presume?

My lame early attempts at pictures

For this tooth, the gum portion is about as big as the enamel portion.  This tooth was found in a tire track, all by itself.