Gallery

Images and rocks are from PolyHaven.

Description:
Retractable, fleshy horns like a Prolibytherium
Large nasal passages like a Spotted Hyena
Flexible spine like a Thylacoleo
Armour like a Desmatosuchus
Claws similar to the talons of a Steller’s Sea Eagle
Fleshy dorsal spines like a Longisquama
Digitigrade like Eusmilus (it is not related to Thylacosmilus!)
Other ideas: Expedition by Wayne Barlowe and Snaiad by C. M. Kösemen.
Colouration is like that of a Blue-ringed Octopus, but the rings are bioluminescent. It is silicon-based instead of carbon: lighter weight.