Identificaciones de snailtim

Woah! Never seen these before

Large slug roughly 6 inches (when stretched) found on cultivated Japanese maples

Large slug roughly 6 inches (when stretched) found on cultivated Japanese maples; Had a dark brown skin with orange bottom

Found a shell nearby which is identifiable but it's unclear whether these images are of the same species: https://www.inaturalist.org/observations/117795219