Definitions for salamandroidea
This page provides all possible meanings and translations of the word salamandroidea
a division of Amphibia including the Salamanders and allied groups; the Urodela
The Salamandroidea are a suborder of salamanders, referred to as advanced salamanders. The members of the suborder are found worldwide except for Antarctica, southern Sahara, and Oceania. They differ from suborder Cryptobranchoidea as the angular and prearticular bones in their lower jaws are fused, and all members use internal fertilization. The female is fertilized by means of a spermatophore, a sperm-containing cap placed by the male in her cloaca. The sperm is stored in spermathecae on the roof of the cloaca until it is needed at the time of oviposition. The earliest known salamandroid fossils are specimens of the species Beiyanerpeton jianpingensis from the Tiaojishan Formation, dated to the late Jurassic period about 157 million years ago.
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