Ascidian vs small tortoiseshell

Styela clava compared with Aglais urticae

Key Differences

Ascidian is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Ascidian	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Ascidiacea (Ascidiacea)	Insecta (Insects)
Order	Stolidobranchia (Stolidobranchia)	Lepidoptera (Butterflies & Moths)
Family	Styelidae	Nymphalidae (Brush-footed Butterflies)
Genus	Styela	Aglais
Species	Styela clava	Aglais urticae

Evolutionary Relationship

Ascidian and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Ascidian

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Ascidian	small tortoiseshell
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).

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.