Your ammonite probably is...
Texanites
Texanites had an evolute shell. It had straight, prominent radial ribs with at least 3 tubercles. Texanites lived in the Upper Cretaceous. Its mouthparts are also called Spinaptychus.
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Your ammonite probably is...
Texanites had an evolute shell. It had straight, prominent radial ribs with at least 3 tubercles. Texanites lived in the Upper Cretaceous. Its mouthparts are also called Spinaptychus.