North American porcupine vs

Erethizon dorsatus compared with Pinnularia mesolepta

Key Differences

• North American porcupine is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	North American porcupine
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Rodentia (Rodents)	Naviculales (Naviculales)
Family	Erethizontidae	Pinnulariaceae
Genus	Erethizon	Pinnularia
Species	Erethizon dorsatus	Pinnularia mesolepta

Conservation Status

North American porcupine

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	North American porcupine
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.

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Portugal, Sweden, and Taiwan.

Pinnularia mesolepta is a freshwater diatom with a boat-shaped, symmetrical siliceous frustule and distinctive raphe canal along the cell axis. It inhabits benthic and epiphytic habitats in oligotrophic to mesotrophic freshwater lakes, streams, and bogs. This photosynthetic diatom forms part of the microbial biofilm community in freshwater habitats.