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Dr Mud, 6ix & TinBum - more crabs than you could poke a stick at.

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WhodamanHD
2 hours ago, Doctor Mud said:

So who was the owner? C. Megalodon is a good candidate. Not many associated verts found around the world....

They are found occasionally over here, here’s some from the Calvert Marine Museum, I took pictures for just such an occasion. Sorry the one is sideways, it has a GW vert for comparison.

0F670934-1D80-44BA-A5EE-05DBF8C0B0FA.jpeg

D1B9C6C7-CF6E-4E15-856C-0E4D8F393A81.jpeg

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WhodamanHD

Ps I’d also consider basking shark vert. as a candidate (especially angle of the curve) I have a picture of one of those too if you want it.

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Doctor Mud
3 hours ago, WhodamanHD said:

Ps I’d also consider basking shark vert. as a candidate (especially angle of the curve) I have a picture of one of those too if you want it.

 

Basking shark verts have a very delicate internal structure and tend to collapse easily. May be why these verts are compressed and dissacociated within the concretion. Basking shark verts have a central foramen (hole). Prepping will help.

 

Love to see the photo of the basking shark vert.

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Doctor Mud

One of the other major finds of the day. I'd say some sort of bird. I think the lowest bone is a humerus?

 

My first thought was penguin, but is that a carpometacarpus on the upper left? Looks wrong for a penguin flipper.

 

Field of view is 20 cm high.

 

@Boesse - what do you think?

 

IMG_4197.thumb.JPG.f96f3bfea28918c93df3cde403ea0e08.JPG

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ynot

Nice (new) finds!

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WhodamanHD
1 hour ago, Doctor Mud said:

 

Basking shark verts have a very delicate internal structure and tend to collapse easily. May be why these verts are compressed and dissacociated within the concretion. Basking shark verts have a central foramen (hole). Prepping will help.

 

Love to see the photo of the basking shark vert.

This is correct. Not a great picture, but enough for a comparison. Shadow is due to it being so curved that the light in the display case is behind the lip. Would make a good bowl of it didn’t have a hole in it.:PAlso for CMM

3EA83CF5-3C13-44EB-AB46-2E90D8FE7932.jpeg

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Doctor Mud
1 hour ago, Boesse said:

image.png.2007253c7d4db7cfa62b78e1ef494f15.png

That is definitely an associated penguin skeleton! Vertebrae and perhaps a coracoid up top, another humerus on the left, and perhaps part of the sternum in the middle.

 

Yes - that's the bone I thought was a humerus. Thought this was a dead ringer for penguin, but got "distracted" by the bone to the bottom left. Thought it was a metacarpus.

 

Thanks Bobby.

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Doctor Mud
33 minutes ago, WhodamanHD said:

This is correct. Not a great picture, but enough for a comparison. Shadow is due to it being so curved that the light in the display case is behind the lip. Would make a good bowl of it didn’t have a hole in it.:PAlso for CMM

3EA83CF5-3C13-44EB-AB46-2E90D8FE7932.jpeg

 

The steep sides on the conical face of the vert is also supposed to be diagnostic of basking shark verts.

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Foozil

Wow awesome finds! Would love to go to NZ for crabs one day!! Are you allowed to bring the crabs back to aus @Doctor Mud? did you freight them or bring them on the plane?

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Tidgy's Dad

Splendid thread! 

Love all the crabs and the penguin is amazing! :)

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oldtimer

Awesome thread.  I love Crabs.

Wish we had nodules like those around here.

Guest I will have to make a trip to NZ some day. 

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Boesse
17 hours ago, Doctor Mud said:

Was looking at one of the blocks with the verts in today and saw this:

 

IMG_4209.thumb.JPG.7dfb5d26361cc20dec61c1f339286041.JPG

 

 

Reminded me of a Basking shark gill raker . Image below for comparison.

 

IMG_4210.JPG.b6e0f3684d0fe6f464a478a6ce478a3c.JPG

 

 

Yup that's precisely what that specimen is - is that associated with the vertebrae? I have a locality in the Purisima Fm. I published on a few years ago where the most abundant vertebrate fossils were isolated gill rakers.

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KimTexan

Wow you hit the jackpot! Awesome and very exciting post!

i assume this is on the South Island. I’ve been to NZ, but didn’t go fossil hunting.

Love the pics. The penguin is pretty cool too.

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Doctor Mud
3 hours ago, Boesse said:

Yup that's precisely what that specimen is - is that associated with the vertebrae? I have a locality in the Purisima Fm. I published on a few years ago where the most abundant vertebrate fossils were isolated gill rakers.

Thanks once again Bobby!

 

Yes, this is in one of the blocks with the shark vertebrae in. It's a big block with many verts in it. 

 

Have basking shark fossils been reported from New Zealand before?

 

What is the age of the Purisma formation?

 

 

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Boesse

Purisima Fm. is uppermost Miocene-late Pliocene in age, and aforementioned Cetorhinus locality is ~4-5 Ma (early Pliocene). Cetorhinus is not listed in the Fordyce and Roberts 2009 comprehensive faunal list for NZ and I'm not aware of a published article by Keyes or anyone else on the subject. Fossilworks produced no published records of Cetorhinus in NZ or Australia, and there's no mention of basking sharks in Kemp (1991) either.

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jpc

Thanks for the great trip report and congrats on the amazing finds... giant crabs AND penguin.   I have been there decades ago and am curious as to how many boulders you hoofed up the hill form the beach.  That is a helluva hike with an 88lb rock.  Also curious as to how they get to Oz.  I shipped a few partials home from NZ, and it was not cheap.  Used up much of my apricot picking income...    

 

Great finds, cool video.  Thanks again.  

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Doctor Mud
On 14/01/2018 at 8:41 PM, Foozil said:

Wow awesome finds! Would love to go to NZ for crabs one day!! Are you allowed to bring the crabs back to aus @Doctor Mud? did you freight them or bring them on the plane?

 

14 hours ago, jpc said:

Thanks for the great trip report and congrats on the amazing finds... giant crabs AND penguin.   I have been there decades ago and am curious as to how many boulders you hoofed up the hill form the beach.  That is a helluva hike with an 88lb rock.  Also curious as to how they get to Oz.  I shipped a few partials home from NZ, and it was not cheap.  Used up much of my apricot picking income...    

 

Great finds, cool video.  Thanks again.  

 

Thanks guys.

 

It sure is a challenging hike to get off the beach. In a way I'm happy people can't drive to the beach. Also makes you think about what you really want. The limit for me in a pack is 50 kg at a push, "comfortably" 30 kg. So usually 2 concretions per trip. 

 

Some of these finds can go back with me, but the important stuff will get donated to the Canterbury Museum. They have shown a definite interest in the penguin.

I hope to find someone who is interested in the associated shark vertebrae too.

I have a few connections now through universities and museums in NZ and I send photos of potentially interesting finds.

 

I really encourage anyone finding vert material anywhere in New Zealand to contact a museum or university. 

 

In the past I've bought an extra piece of luggage and filled up a tub with fossils.

That only covers up to 20 -30 kg a pop though. 

 

I haven't shipped really big concretions before (>20 kg). I'll be looking into options...

Anyone else shipped something like this?

 

I just lugged up the penguin concretion today. I usually only lug one pack load up per visit. And this would be up to 50 kgs. I used the trolley today and I think this big sucker was at least 80 kg!

 

IMG_4213.thumb.JPG.e641c90e36adfac17f0ab923286c1288.JPG

 

 

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Doctor Mud
10 hours ago, Boesse said:

Purisima Fm. is uppermost Miocene-late Pliocene in age, and aforementioned Cetorhinus locality is ~4-5 Ma (early Pliocene). Cetorhinus is not listed in the Fordyce and Roberts 2009 comprehensive faunal list for NZ and I'm not aware of a published article by Keyes or anyone else on the subject. Fossilworks produced no published records of Cetorhinus in NZ or Australia, and there's no mention of basking sharks in Kemp (1991) either.

Thanks Bobby,

 

I find the literature confusing on the stratigraphy and age of the area I hunt.

 

The inland concretionary horizon is early Miocene and referred to as Mount Brown formation. Further up the coast it is referred to as the Greta siltstone and is Pliocene I believe (need to check this).

 

I find a lot of Sectipecten Wollastoni which is an indicator for the late Miocene (NZ stage = Kapitean) so 7.5 - 5.5 mya where I hunt.

 

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6ix

Wow man thats some dedication.  Anyone who has been there will know the work involved - even with a sack barrow with flat tyres ;) 

I have a suspicion it might be cheaper to change where "home" is LOL

 

I'm still stoked with the vertebra - looking forward to the next trip!

 

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Doctor Mud
On 15/01/2018 at 5:29 AM, KimTexan said:

Wow you hit the jackpot! Awesome and very exciting post!

i assume this is on the South Island. I’ve been to NZ, but didn’t go fossil hunting.

Love the pics. The penguin is pretty cool too.

Thanks!

 

Yes this is the South Island.

Was really surprised to find the penguin.

One of those days when I wasn't expecting much and we found two really awesome things. One each :1-SlapHands_zpsbb015b76:

 

 

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Doctor Mud
2 hours ago, 6ix said:

Wow man thats some dedication.  Anyone who has been there will know the work involved - even with a sack barrow with flat tyres ;) 

I have a suspicion it might be cheaper to change where "home" is LOL

 

I'm still stoked with the vertebra - looking forward to the next trip!

 

I agree.

 

Love Australia, but I'm addicted to hunting the Canterbury coast.

And I know some pretty awesome people who live near there too! ;)

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fossilized6s

Simply awesome finds, Doc!! I see lots of prep-time in your future. Lol

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