Blackhead worm vs Mérida Brocket

Aporrectodea longa compared with Mazama bricenii

Key Differences

• Blackhead worm is Not Evaluated while Mérida Brocket is Vulnerable.

Taxonomic Classification

Rank	Blackhead worm	Mérida Brocket
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Segmented Worms)	Chordata (Chordates)
Class	Clitellata (Clitellata)	Mammalia (Mammals)
Order	Crassiclitellata (Crassiclitellata)	Artiodactyla (Even-toed Ungulates)
Family	Lumbricidae	Cervidae (Deer)
Genus	Aporrectodea	Mazama
Species	Aporrectodea longa	Mazama bricenii

Evolutionary Relationship

Blackhead worm and Mérida Brocket share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackhead worm

NE — Not Evaluated

Mérida Brocket

VU — Vulnerable

Physical Characteristics

Attribute	Blackhead worm	Mérida Brocket
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackhead worm

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Mérida Brocket

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Blackhead worm

The Blackhead worm (Aporrectodea longa) is a species in the genus Aporrectodea. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Belgium, Denmark, Norway, Sweden, and United States.