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Sharktooth Hill Cetacean Ear Bone


fossilsonwheels

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I know this is a cetacean ear bone and I know it is from Sharktooth Hill but that is ablut all I know for sure. It is pretty large at 3" long and 1.5'' wide which would seem to rule out of the smaller dolphin-like whales. My first thought was Aulophyseter morreci. It could also be a mysticeti as well. Regardless of species, it is a really nice addition to our STH whale collection.

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Nice !!! Unfortunately, I do not have the knowledge to help, just to appreciate.  I will be very interested in seeing if an identification can be made. :popcorn::popcorn:

The White Queen  ".... in her youth she could believe "six impossible things before breakfast"

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55 minutes ago, caldigger said:

A cetacean of some sort. Honestly I don't know, but I think I have one from the same.

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That does look very similar. Looks like we have the same whale perhaps.

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  • 4 weeks later...

@caldigger I have been doing my homework on the ear bones we have that look similar and I am starting to think they are from Parietobalena, a small mysticeti that is known from STH. I can not confirm this but that is what I think these are.

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Sorry for being AWOL! Indeed it is a small baleen whale periotic/petrosal. The baleen whales from STH are nearly completely unknown/unpublished, aside from a few scraps figured and described by Kellogg (1931). The specimen needs some more prepwork prior to ID. However, Here is the referred periotic of Tiphyocetus temblorensis:image.png.c24d177bcfd4bfe362cb61ef82b50aa9.png

As for the second earbone on here, it looks much more like Parietobalaena and could be Parietobalaena securis, which Kellogg also figured a periotic of: image.png.424fd74325a492efd73b1e9a5176e09e.png

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2 hours ago, Boesse said:

Sorry for being AWOL! Indeed it is a small baleen whale periotic/petrosal. The baleen whales from STH are nearly completely unknown/unpublished, aside from a few scraps figured and described by Kellogg (1931). The specimen needs some more prepwork prior to ID. However, Here is the referred periotic of Tiphyocetus temblorensis:image.png.c24d177bcfd4bfe362cb61ef82b50aa9.png

As for the second earbone on here, it looks much more like Parietobalaena and could be Parietobalaena securis, which Kellogg also figured a periotic of: image.png.424fd74325a492efd73b1e9a5176e09e.png

Thank you @Boesse. That is very helpful. I appreciate the help !

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  • 4 months later...

@PODIGGER and I each recently found Parietobalaena petrosals within spitting distance (relatively speaking) in Bone Valley Florida. 

@fossilsonwheels and @caldigger, please take a look at this thread and see if there are any similarities.  Thanks,  Jack

 

The White Queen  ".... in her youth she could believe "six impossible things before breakfast"

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