"Ammonite eaten by fellow cephalopod"

tonmo

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#1
Apologies to Hajar; I was trying to merge his thread with octobot's and they both ended up getting deleted :oops:. Here's the info Hajar posted:

Story here, abstract here.
 

Hajar

Haliphron Atlanticus
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#2
No probs! I have another ammonite (Ataxioceras) with a bite taken out of the back end of the body chamber (attached, there's a better photo of this somewhere, but I can't find it).

Ramses' catch and bite technique makes this story quite vivid:

 

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Hajar

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#4
but over in North Dakota, South Dakota and Montana in the Cretaceous scaphitid ammonites "healed injuries, as well as lethal injuries, are common on adult shells, especially on the adapical end of the body chamber."
 

Pr0teusUnbound

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#6
does the paper rule out predatory snails as possible culprits? i remember reading that limpet boreholes on ammonites can be misaken for sharkbites.
 

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