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Sat, 22 Oct 2016 22:40:06 -0600

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Re: [ZOOARCH] Friday tooth quiz


Richard, you are a careful worker. Happily we have textbooks to tell us
what unerupted baby teeth look like. However, now that you've made it
possible for me to see the images -- geez, I agree with your first
observation more strongly. Those cusps are pretty darned high and pointy!

I now think it's not a pig; cusps too high and the tooth is too fat and
wide for an inferior tooth of a pig. But somebody on this list suggested
"bear"....does anybody have a bear cub to compare to? I have adult bear
but no cubs. Just to make double sure if nothing else. -- Deb Bennett


>  I find that I was mistaken in my previous reply.
>
>  If this is a human unerupted deciduous mandibular molar then one
> should not expect to see developmental fissures between the cusps.
>
> Scheuer and Black (in _Developmental Juvenile Osteology_ page 156-157)
> cite Kraus and Jordan's 1965 book _The Human Dentition Before Birth_.
>
> Scheur and Black write: "The mandibular molars lack the characteristic
> pattern of grooves and pits, which only develop with later postnatal
> deposition of enamel."
>
> So I think it is back to considering the crown to be human.
>
> I don't have Kraus and Jordan's book, but a snippet I read on Google
> Books starts, but does not complete, a description of the crown of
> what might be the tooth in question.
>
> One lives and learns - thanks in part to ZOOARCH!
>
> Richard
>
> ----- Original Message -----
> From: "Julia Cussans"
> To:
> Cc:
> Sent:Fri, 21 Oct 2016 11:18:00 +0100
> Subject:[ZOOARCH] Friday tooth quiz
>
> Hello All,
>
> I would be interested to see your thoughts on this tooth. It comes
> from a multi-phase henge site in Hertfordshire, UK. I have a couple of
> thoughts on what it might be, but wanted to canvas opinion. As you can
> probably see from the photos it has no root development and is unworn.
> Biro lid for scale, the tooth is about 8mm in length.
> https://www.dropbox.com/sh/tzirvauf183ve3w/AACSX8mHrMhsCfz6CM3xu911a?dl=0
> [1]
>
> Many thanks in advance.
>
> Julia
> --
>
> DR JULIA E. M. CUSSANS
> Archaeozoologist
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