(Internal #S970-8) This is a Modern Kitefin shark (Dalatias licha) tooth, average 1/2 to 5/8" long, LOWER TOOTH. Great for the collector! KITEFIN (black or seal shark) SHARK TEETH - LOWER TEETH AMONG THE WEIRDEST JAWS ON THE PLANET An ordinary looking little shark with a BIG BITE (RARE!) relative of the nasty Cookie Cutter shark, awesome tooth formation! They shed a whole row of teeth at a time from the OUTSIDE, notice the two layers. Found in the Eastern Atlantic, from tropical West Africa to the Irish Atlantic slope; recorded once from the American coast. Shark size: 40-60? long; 72? is the longest recorded so far. Color: Dark chocolate, cinnamon, or violet brown below as well as above; the upper surface sometimes with poorly defined blackish spots; the dorsal and pectoral fins with pale or whitish edges, the tail tipped with black. This is a deepwater shark that has an extremely large liver so it can achieve neutral buoyancy. Harmless to humans - Click on my Store tag for MANY more shark items!