Lizardess
a new born lizard is called a juvenile
A lizardess.
Maybe a girl lizard could be called LIZZY, Lisa, and Lilly. :)
You call a female fox a vixen.a female fox is called a vixen, a male is called a fox
A female horse is called a mare. A young female is called a filly.
A female canine is called a Bitch. Multiple female canines are called bitches.
A female budgie is called a "hen".
a female flyer is called an aviatrix.
A horned lizard (toad) is called a hatchling when it is born.
Frogspawn for the eggs, Tadpoles for the little unformed version of frogs.
You call it a turtle or a male turtle. Just like a snake, or lizard, or... Lots of things don't have separate names for male and female of the species
Depending on your effort to study the lizard and how interested you are in the lizard category.