Genus Batrachoseps is a group of salamanders commonly found in western North America. The word "Batrachoseps" comes from the Greek words "batrachos" meaning frog and "seps" meaning lizard, which refers to their frog-like appearance and lizard-like movements. There are several synonyms for this genus, including the Pacific slender salamander, slimy salamander, and worm salamander. These synonyms reflect different physical characteristics or behavior of the salamanders within the genus. The Pacific slender salamander, for example, is known for its slender body and long tail, while the worm salamander is named for its ability to burrow in soil and leaf litter. Despite their different names, all salamanders within this genus share similar physical features and habitat preferences.