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DanKurek

Portland Bone ID

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DanKurek

G'day everyone!

 

I reccently returned from a fossil trip to Portland, VIC searching for pliocene shark teeth and bones. Dad and I came back with some nice stuff but I also found this bone that has had me stumpted. Most bones collected from the site are fragmentary but this one appears to be whole but I have no idea what it is from. The bone is 30mm long, around 5 -6mm wide and very thin (Around 1mm probably a bit less) The fossil is pliocene in age, fossils found from the site include: Shark, fish and ray teeth, cetacean teeth and bones, terrestial mammal teeth and bones and rare avian material. Any help would be much appreciated.

 

Thanks,

DanDSCN8412.thumb.JPG.0dcc6b6487d8a772f39ecf3cf6ff7604.JPG

DSCN8413.thumb.JPG.ab817d90ae9bd046a66181ff9c9b37f3.JPGDSCN8414.thumb.JPG.9d78aa92e3307b02c1729ed9162effac.JPG

 

 

DSCN8411.thumb.JPG.1aaf73e860754d696132a4f10312dac1.JPG

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Mark Kmiecik

Looks like rib to me, but I'm not an expert on bones. Wait for some of the others to chime in. A few more of the regulars should pop in in an hour or two.

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Paleoworld-101

I'm not certain about this one but for some reason penguin wing bone popped into my mind when i first looked at it. So i did a quick google search, and it does actually look comparable to the radius in the image below. But without a side-on shot i can't tell if the radius is as thin as your specimen. Would be really cool (and rare!) if that's what it actually was! Did you find it on Allestree/Narrawong beach or somewhere else? 

 

Image result for penguin radius

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DanKurek

@Paleoworld-101 Hello!

 

The fossil was found on a beach in Narrawong. I'll try and get some side on photos soon

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DanKurek

@Paleoworld-101 Here are some additional photos of the side: 

 

DSCN8425.thumb.JPG.0a6aed209388f834768006a12acc8a1b.JPG

 

DSCN8419.thumb.JPG.f94babfe8d8892b7cfa1ef685af8f9b8.JPG

 

Thought this might be helpful with the ID. On this side of the bone, the wall circled is a lot thinner than the rest of the bone (Less than 1mm thin)

DSCN8413.thumb.JPG.eb0f3fa63724319fc521fd5db333a8b3.JPG

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Paleoworld-101

Here's side-on shots of a penguin radius for comparison. Although this one is a bit thicker than yours, i can still see some similarities again. But yours is much smaller which is problematic (unless it was a baby?). Maybe i'm completely wrong, in any case i think this is one you should show to someone like Erich Fitzgerald from the Melbourne Museum. 

 

1200628P%20amiesi%20Dunedin%20Jan%202013%20147.jpg

 

1200628P%20amiesi%20Dunedin%20Jan%202013%20148.jpg

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DanKurek

@Paleoworld-101 Thanks! i have sent the photos in to the collections manager of vertebrate paleontology at Melbourne Museum. :)

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