Ascidian vs Hourglass Dolphin

Styela clava compared with Lagenorhynchus cruciger

Key Differences

• Ascidian is Not Evaluated while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	Ascidian	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Ascidiacea (Ascidiacea)	Mammalia (Mammals)
Order	Stolidobranchia (Stolidobranchia)	Cetacea (Whales & Dolphins)
Family	Styelidae	Delphinidae (Oceanic Dolphins)
Genus	Styela	Lagenorhynchus
Species	Styela clava	Lagenorhynchus cruciger

Evolutionary Relationship

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

Conservation Status

Ascidian

NE — Not Evaluated

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Ascidian	Hourglass Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ascidian

Habitat

Native to Europe and North America and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (12 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil).

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ascidian

Ascidian (Styela clava) is a species in the genus Styela. Native to Europe and North America and Oceania, inhabiting ecosystems characteristic of the region.