List of which items transform what monster as far as I have found so far.
Atomic Clock
Dracoyle
Sarcocylis
Gorgem
Sarcocylis
Gorgem
Super Gro
Apo
Cobreo
Laz
Jungro
Cobreo
Laz
Jungro
Apo Light
Laz
Ferrorizer
Chuk
Madis
Ambigu
Madis
Ambigu
Frostbite
Arakiruby
Epheal
Honi
Canite
Epheal
Honi
Canite
Book of the Dead
Frigidile
Trove
Hooclaw
Trove
Hooclaw
Prebiotic Ooze
Teedon
Darwhol
Tygrilox
Darwhol
Tygrilox