Definition

Proper noun: * A species of lungless salamander: Plethodon cinereus is the scientific name for a specific, common species of salamander native to the eastern regions of North America. It is a small, terrestrial amphibian that breathes through its skin.

Usage

• The term Plethodon cinereus is used in formal, scientific, and academic contexts to precisely identify this species. It is not typically used in everyday conversation.
• It functions as a singular proper noun, even though it consists of two words (the genus and the species ).

Examples

• In a scientific report: "The study monitored the population density of in the deciduous forest."
• In a field guide: " is easily identified by its red-backed or lead-backed color morph."
• In an ecology lecture: "Unlike many amphibians, undergoes direct development, hatching from its egg as a miniature adult."

Advanced Usage

• Taxonomic Context: The name is always written in italics (or underlined in handwriting). The genus name () is capitalized, while the species epithet () is not.
• Abbreviation: After its first full use in a text, it may be abbreviated as .

Variants and Related Words

• Common name: Eastern Red-backed Salamander. This is the name used in non-scientific communication.
• Genus: . This refers to the larger group of lungless salamanders to which this species belongs.
• Species epithet: . This Latin word means "ash-colored," describing one of its common colorations.

Synonyms

• Eastern Red-backed Salamander
• Redback Salamander (a common shortening of the common name)

Different Meanings

• The word Plethodon alone refers only to the genus.
• The word cinereus alone is a Latin adjective meaning "ashy" or "gray" and is used in the species names of various other organisms (e.g., a fungus, a bird). Only when combined with does it uniquely specify this salamander species.

Noun

1. common salamander of eastern North America