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I have a jawbone I'm trying to identify. It's kind of weird. It
looks like a carnivore to me, but it only has four incisors, as far as I
can tell- the bone's in pretty good condition, but the only tooth left is
The canine itself is pretty deep-rooted- the root can be seen
extending back under the next two teeth. It looks like it has a hollow
end on the root.
There are five sockets past the canine; the last two look like
they belong to a single tooth with two roots. Although the front of the
jaw is rather deep and thick, the back of the jaw appears rather
slender. It's about 6 inches long. It was collected along the shoreline on
the Pacific side of Mexico.
I looked at felines and canines and I've ruled them out. The only
thing I can think of would be a seal or something, which might explain
the slenderness of the jaw, but I really don't know anything about seal
dental formulae. Does anyone off the top of their head know what this is,
or have a good book to look at? I'm just sort of curious.