Hourglass Dolphin vs River Lamprey

Lagenorhynchus cruciger compared with Lampetra ayresii

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Hourglass Dolphin

LC — Least Concern

River Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Hourglass Dolphin	River Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Lamprey