AI rendition based on witness descriptions, not an actual photo.
Fearsome critters (http://www.lumberwoods.com/fearsome_critters.htm) · Fearsome Critters, Written by Henry H. Tryon • Illustrated by Margaret R. Tryon (Cornwall, NY: Idlew · CC0 (via Wikimedia Commons) · Image source · License
A mouthless, crocodile-like fearsome critter of American folklore.
FolkloreVerdict: We treat Dungavenhooter as folklore: the record is stories and local reports, with no specimen or verified photo.