Salamandroidea

Salamandroidea is a suborder of salamanders, the advanced salamanders. The members of the suborder are found worldwide except for Antarctica, Southern Sahara, and Oceania.

Salamandroidea Temporal range: fossil range: 157 mya – present
Salamandra atra
Scientific classification
Kingdom:	Animalia
Class:	Amphibia
Order:	Urodela
Suborder:	Salamandroidea
Families
Ambystomatidae Amphiumidae Dicamptodontidae Plethodontidae Proteidae Rhyacotritonidae Salamandridae

All members use internal fertilization.^[1] The female is fertilized by a spermatophore, a sperm-containing cap put by the male in her cloaca. The sperm is stored in on the roof of the cloaca until it is needed at the time of egg laying.^[2]

The earliest known salamandroid fossils are from the Tiaojishan Formation. They are dated to the late Jurassic period about 157 million years ago.^[3]