Far Eastern Brook Lamprey vs Hourglass Dolphin

Lethenteron reissneri compared with Lagenorhynchus cruciger

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Cetacea (Whales & Dolphins)
Family	Petromyzontidae	Delphinidae (Oceanic Dolphins)
Genus	Lethenteron	Lagenorhynchus
Species	Lethenteron reissneri	Lagenorhynchus cruciger

Evolutionary Relationship

Far Eastern Brook Lamprey and Hourglass Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Hourglass Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.