North American porcupine vs tiny risso snail

Erethizon dorsatus compared with Rissoa parva

Taxonomic Classification

Rank	North American porcupine	tiny risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Littorinimorpha (Littorinimorpha)
Family	Erethizontidae	Rissoidae
Genus	Erethizon	Rissoa
Species	Erethizon dorsatus	Rissoa parva

Evolutionary Relationship

North American porcupine and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

North American porcupine

LC — Least Concern

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	North American porcupine	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

tiny risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.