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Big Brook - Monmouth County, NJ - Various Fossil IDs Needed


DougM

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Hi all,

I have a couple fossils I'm unsure about and would really appreciate some identification. These are from late Cretaceous at Big Brook Creek, New Jersey.

 

1. Croc Tooth? Enchodus Tooth? Something else?

image.thumb.jpeg.7a13ee6737b00d89d22caa730408f73b.jpegimage.thumb.jpeg.c17259940b9162baedea5bb395b70be8.jpegimage.thumb.jpeg.8d258cbe2faef67942e05db2648601e8.jpegimage.thumb.jpeg.847dc1c48927b451ca0b0b1be854cc9a.jpegimage.thumb.jpeg.3fdc896a9b681cfb206befc3598741b3.jpeg

 

2. I believe this is an Enchodus jaw fragment, missing the large fang at the end. Fairly large. Can someone confirm?

image.thumb.jpeg.531d217abc9549d84ae1dd6cfc290f9d.jpegimage.thumb.jpeg.37885b9ec13b196e91d63b592d7995cc.jpegimage.thumb.jpeg.a86fb9ac515db95849cec3d4d3157b8e.jpegimage.thumb.jpeg.c19364a9757856b8c5bb9f5fcab8b2d6.jpegimage.thumb.jpeg.cb28fb2637a11e578625ee6035a5c755.jpeg

 

3. Same as above, jaw fragment missing the fang?

image.thumb.jpeg.3f380a7a2618782359ed9ed86f0b8a28.jpegimage.thumb.jpeg.ed482630767ca061da8c5383190e2932.jpeg

 

4. No clue. The ridges are repeated on both sides.

image.thumb.jpeg.a6a6bd613a6ac2c13b8445689af99395.jpegimage.thumb.jpeg.038d56fce7ec3d0c3b4846b63469b502.jpegimage.thumb.jpeg.43882924d5e993c4a88e712afa79b819.jpegimage.thumb.jpeg.2f6d94d087462281e369c5c7143c9815.jpegimage.thumb.jpeg.0ba374b4f235bf3612ad1d25d07c2508.jpegimage.thumb.jpeg.9cb01bad764b015397ca110a38541825.jpeg

 

5. Is this a Hoploparia gabbi, also known as a clawed lobster? Seems too small, but I'm not sure.

image.thumb.jpeg.bf037ab9568d530d7fcfd406feadb346.jpegimage.thumb.jpeg.737047128c96c77f7812f58527f9b908.jpegimage.thumb.jpeg.92eb1e69fdf4ba84208d7843f2f13de7.jpegimage.thumb.jpeg.645ddcc268cc12b64fe9b429ee78ea9e.jpegimage.thumb.jpeg.6fde1425ddc91c78822664bf0e8048bf.jpeg

 

6. Small Mammal or fish bone?

image.thumb.jpeg.a17fc942c5192547a6a3c19e16180be0.jpegimage.thumb.jpeg.8548cc30a8d2f037ba2489ca462712a0.jpegimage.thumb.jpeg.c41ec71ddbe35e4d81d1062b5dde253f.jpeg

 

 

Thank you in advance!

 

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First looks like croc to me.  I am not at all sure that the specimens you are labeling as  encodus are bone and not iron stone  the third piece is a  bite a ammonite  the side view with those fridges are the lines of the septum that forms the geometric suture pattern  nice find  

 

 

ammonite 

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Sorry 4 th fossil is the ammonite 

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8 hours ago, val horn said:

First looks like croc to me.  I am not at all sure that the specimens you are labeling as  encodus are bone and not iron stone  the third piece is a  bite a ammonite  the side view with those fridges are the lines of the septum that forms the geometric suture pattern  nice find  

 

 

ammonite 

Thank you!
i need to get a better setup for pictures, I think my picture quality is limiting the view of the bone chunks, I’ll try and take some better pictures today. We found an entire enchodus tooth earlier in the day and it looks like a bigger incomplete version of the picture. 

IMG_2674.jpeg

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