Arrowhead Spiketail vs blunt tellin

Cordulegaster obliqua compared with Arcopagia crassa

Key Differences

• Arrowhead Spiketail is Least Concern while blunt tellin is Vulnerable.

Taxonomic Classification

Rank	Arrowhead Spiketail	blunt tellin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Odonata (Odonata)	Cardiida (Cardiida)
Family	Cordulegastridae	Tellinidae
Genus	Cordulegaster	Arcopagia
Species	Cordulegaster obliqua	Arcopagia crassa

Evolutionary Relationship

Arrowhead Spiketail and blunt tellin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrowhead Spiketail

LC — Least Concern

blunt tellin

VU — Vulnerable

Physical Characteristics

Attribute	Arrowhead Spiketail	blunt tellin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead Spiketail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Arrowhead Spiketail

The Arrowhead Spiketail, Cordulegaster obliqua, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.