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Incognito Rockhound

Making a shark tooth/ray shadowbox - need to confirm species

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Incognito Rockhound

Hello everyone,

 

I am making a shadow box for my office; before I start doing the final groupings by species and attaching said groupings to the shadow box, I could really use some help. 

 

I have made my best educated guesses (using Jayson’s website for references), but since I am a novice, I know I’ve made several mistakes.  

 

Will you you please take a look at the attached pictures and let me know if I guessed correctly? If not, will you please let me know the correct answer?

 

 

2B5AF07E-E391-469A-91AF-0977F2402E55.jpeg

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Incognito Rockhound

 Item 1. Shortfin mako

 Item 2.  G Aduncus?

 Item 3. Physogaleus Contortus

 Item 4.  Lemon Shark

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Incognito Rockhound

CFBE00FC-99ED-467D-A6DD-D3A8C0CDDAB3.jpeg

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Incognito Rockhound

 Item 5.  Snaggletooth (lower)

 Item 6.  ?

 Item 7. Angel shark? Thresher shark? 

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Incognito Rockhound

C581F1F5-D975-464D-AE8B-2DE28D138829.jpeg

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Incognito Rockhound

 Item 8. Various eagle ray dental plates 

 Item 9. Bonnet Ray 

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gigantoraptor

2: I think you're correct

3: I think you're correct

5 and 6 are Hemipristis. Snaggletooth shark

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Incognito Rockhound

 All teeth in group to have both distal and mesial serrations.

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Incognito Rockhound
1 hour ago, gigantoraptor said:

2: I think you're correct

3: I think you're correct

5 and 6 are Hemipristis. Snaggletooth shark

 

Thank you! 

 

Glad I am on the right path - still much to learn!

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Tidgy's Dad

Nice collection of teeth.:)

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Incognito Rockhound

Thank you for your input Marco.  As I stated above, I still have much to learn so all input is greatly appreciated!

 

I will do my best to use the scientific names from this point forward; I ask that you bear with me as I learn.  When it comes to shark teeth and rays, my ability to properly identify and articulate what I am sharing is comparable to a baby learning to walk; I am at the very beginning - somewhere between rocking back and forth and starting to crawl.  I will probably fall over on my side several times before I am crawling full time :)

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Incognito Rockhound
2 hours ago, Tidgy's Dad said:

Nice collection of teeth.:)

Thank you :)

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Incognito Rockhound
5 hours ago, Incognito Rockhound said:

 All teeth in group to have both distal and mesial serrations.

I just noticed that I forgot to add clarifying info to this statement - the group I am referring to is 2.

 

My apologies for the omission.

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Praefectus

I'm interested to see what others call #1. I know it is some type of Mako, but I'm not sure which. I can narrow it down to I. retroflexus, I. oxyrinchus, I desori, or C. Hastalis, but I'm not sure which. I'm leaning towards I. oxyrinchus.

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ynot

#1 is a lower tooth from Isurus or Carcharodon. Lowers are much harder to differentiate in this group.

#6 looks like a Carcharodon hastalis. Does not look like a Hemipristis.

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Incognito Rockhound
1 hour ago, ynot said:

#1 is a lower tooth from Isurus or Carcharodon. Lowers are much harder to differentiate in this group.

#6 looks like a Carcharodon hastalis. Does not look like a Hemipristis.

Thank you!

 

What are your thoughts on 4 and 7?

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ynot
22 minutes ago, Incognito Rockhound said:

What are your thoughts on 4 and 7?

4 matches with lemon (Negaprion sp.).

7 is neither angel (Squatina sp ) nor thresher (Alopias sp).  Possibly a worn Galeocerdo  sp. (Tiger).

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Incognito Rockhound
7 hours ago, ynot said:

4 matches with lemon (Negaprion sp.).

7 is neither angel (Squatina sp ) nor thresher (Alopias sp).  Possibly a worn Galeocerdo  sp. (Tiger).

Thank you!

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