A body that stands upright on two legs and has two arms with dexterous hands.
A predominantly long body. Ryus, Lungs and Naga are examples of this.
Dragons with four legs. Ryus and Lungs are not included here. Western dragons are included here.
Anything with large predominant fins. Anything that uses small fins or frills aesthetically doesn't count.
Anything with more than four legs.
A body that owns tentacles of some sort predominantly in feature.
If your character has a simple pair of wings.
Any dragon with two or more pairs of wings.
A creature with multiple tails.
Any creature that has more than one head.