In truth I don't know! I have only seen camels and non-camelids, not
vicuna but you are right how can the P4 have 2 cusps unless it is a dp4
and/or a very abnormal animal altogether?
SH-D ArchaeoZoology
http://www.shd-archzoo.co.uk
On 01/06/2011 21:35, Mariana Mondini wrote:
> Dear Sheila,
> Many thanks for your comment! We have considered this option, but if this
> was the case and this individual retained the Pd2, could it have a permanent
> (one cusp) P3 and a deciduous (two cusps) Pd4? Then there is also bone
> fusion is more cosistent with an older individual (e.g., pelvic symphysis is
> almost fullly fused)....
> All the best,
> Mariana
>
> Date sent: Wed, 1 Jun 2011 21:07:39 +0100
> Send reply to: S Hamilton-Dyer<[log in to unmask]>
> From: S Hamilton-Dyer<[log in to unmask]>
> Subject: Re: [ZOOARCH] camelid anomalous dentition
> To: [log in to unmask]
>
>> Hi, as the basic dentition of mammals is 4 premolar and 3 molar, and
>> camelids normally have all 3 molars but only 2 premolars, I suggest the
>> erupting tooth is M3 as normal and what you have extra is the P2 in the
>> same way that you sometimes get the P1 in equids and bovids?
>> Sheila
>>
>> SH-D ArchaeoZoology
>> http://www.shd-archzoo.co.uk
>>
>>
>> On 01/06/2011 19:16, Mariana Mondini wrote:
>>> Dear all,
>>> We have this modern comparative vicuņa from northern Argentina with a
>>> rather anomalous dentition. We have posted some pics at:
>>> http://www.alexandriaarchive.org/bonecommons/items/show/1764
>>> http://www.alexandriaarchive.org/bonecommons/items/show/1765
>>> http://www.alexandriaarchive.org/bonecommons/items/show/1766
>>> and/or at:
>>> http://zooarchaeology.ning.com/forum/topics/anomalous-camelid-dentition
>>>
>>> We have interepreted it as corresponding to a 4-7 years old individual with a
>>> semi-erupted supernumerary molar at each side. (We do not have the
>>> mandible unfortunately). Would you agree? Have you ever noticed a similar
>>> anomaly?
>>>
>>> Any info would be very welcome. Many thanks in advance! Muchas gracias!
>>> All the best,
>>>
>>> Dra. Mariana Mondini
>>> UBA-CONICET
>>> [log in to unmask], [log in to unmask]
>>>
>
>
> Dra. Mariana Mondini
> UBA-CONICET
> [log in to unmask], [log in to unmask]
>
>
|