Your ammonite probably is...

Tornoceras

Tornoceras was similar in form to Goniatites, with a closed umbilicus and a rounded venter, although it was narrower. It had a very simple goniatitc suture and lived from the Middle to Upper Devonian.

Image by James St. John, CC BY 2.0, https://commons.wikimedia.org/wiki/File:Tornoceras_uniangulare_aldenense_fossil_goniatite_(Alden_Pyrite_Bed,_Ludlowville_Formation,_Middle_Devonian;_western_New_York_State,_USA)_1_(15359943429).jpg