brook lamprey vs Olive-gray Thomasomys

Lampetra planeri compared with Thomasomys cinereus

Key Differences

• brook lamprey is Vulnerable while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	brook lamprey	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Rodentia (Rodents)
Family	Petromyzontidae	Cricetidae
Genus	Lampetra	Thomasomys
Species	Lampetra planeri	Thomasomys cinereus

Evolutionary Relationship

brook lamprey and Olive-gray Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

brook lamprey

VU — Vulnerable

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	brook lamprey	Olive-gray Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brook lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

brook lamprey

The Brook Lamprey (Lampetra planeri) is a species in the genus Lampetra. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.