RFausta Posted July 18, 2021 Share Posted July 18, 2021 (edited) Hello all! After a long time away, I managed to get myself down to New Jersey to fossil hunt! Sadly, it was this last Friday, and over 95 degrees, so I was not as productive as I had hoped, and spent a lot of time sitting on my butt, boots in the water, just kind of vaguely looking around. (If anyone was suffering there with me friday, i was wearing a barfing t-rex shirt and was probably alarmingly pink in the face). However, I got a passable haul of shark teeth, belemnites, and quite a few dunnos! The larger one in matrix i suspect is a crustacean claw, the weird conical one maybe a weathered internal cast of a gastropod (it has some vaguely spiral markings on it), the holey one maybe part of a hybodont spine? The smooth curved one has zero distinguishing features and does not appear hollow but is extremely smooth and dense. The tiny cone is perfectly conical, not a pinched oval. The curved bone- fish jaw? All assistance appreciated! The scale is one inch. Edited July 18, 2021 by RFausta Link to comment Share on other sites More sharing options...
Rockwood Posted July 19, 2021 Share Posted July 19, 2021 The crustacean is likely a ghost shrimp. The smooth bent cylinder is what is thought to be a worm tube steinkern. The cone with a spiral form is quite likely a chondrichthyan coprolite. The bone has a definite Enchodus jaw look. The last one is suggestive of a Belemnite phragomocone, but I can't actually say it is a mold of one. 3 Link to comment Share on other sites More sharing options...
RFausta Posted July 19, 2021 Author Share Posted July 19, 2021 9 hours ago, Rockwood said: The crustacean is likely a ghost shrimp. The smooth bent cylinder is what is thought to be a worm tube steinkern. The cone with a spiral form is quite likely a chondrichthyan coprolite. The bone has a definite Enchodus jaw look. The last one is suggestive of a Belemnite phragomocone, but I can't actually say it is a mold of one. Awesome! Any opinions on the curved one with the rectangular holes? Link to comment Share on other sites More sharing options...
Rockwood Posted July 20, 2021 Share Posted July 20, 2021 7 hours ago, RFausta said: Any opinions on the curved one with the rectangular holes? It would stink. Link to comment Share on other sites More sharing options...
RFausta Posted July 20, 2021 Author Share Posted July 20, 2021 Ok, I am gonna dig deep into the list of people that have been helpful before on Big Brook stuff for me.. @fossilsofnj. @The Jersey Devil @Carl @frankh8147 1 Link to comment Share on other sites More sharing options...
Carl Posted July 20, 2021 Share Posted July 20, 2021 2 hours ago, RFausta said: Ok, I am gonna dig deep into the list of people that have been helpful before on Big Brook stuff for me.. @fossilsofnj. @The Jersey Devil @Carl @frankh8147 I can't add anything to Rockwood's post - I agree with him completely - except that the 2nd photo, which seems to be a piece that was attached in the first photo, appears to be a bivalve steinkern, but there's not enough detail to be certain. 1 Link to comment Share on other sites More sharing options...
RFausta Posted July 20, 2021 Author Share Posted July 20, 2021 31 minutes ago, Carl said: I can't add anything to Rockwood's post - I agree with him completely - except that the 2nd photo, which seems to be a piece that was attached in the first photo, appears to be a bivalve steinkern, but there's not enough detail to be certain. I was just using it to prop up the first piece for a better angle, hehe. Separate things! 1 Link to comment Share on other sites More sharing options...
Carl Posted July 20, 2021 Share Posted July 20, 2021 3 hours ago, RFausta said: I was just using it to prop up the first piece for a better angle, hehe. Separate things! Link to comment Share on other sites More sharing options...
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