Northern Right Whale Dolphin vs Round ray

Lissodelphis borealis compared with Irolita waitii

Taxonomic Classification

Rank	Northern Right Whale Dolphin	Round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Arhynchobatidae
Genus	Lissodelphis	Irolita
Species	Lissodelphis borealis	Irolita waitii

Evolutionary Relationship

Northern Right Whale Dolphin and Round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Northern Right Whale Dolphin

LC — Least Concern

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Northern Right Whale Dolphin	Round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Right Whale Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round ray