Phascolosoma nigrescens

Classification

Phascolosomatidae [family]

Phascolosoma [genus] (3)

nigrescens [species]

Classification

Phascolosomatidae [family]

Phascolosoma [genus] (3)

nigrescens [species]

Names

Valid name	Phascolosoma nigrescens (Keferstein, 1865)
Synonym	Physcosoma varians (Keferstein, 1865)
Synonym	Physcosoma nigrescens (Keferstein, 1865)
Synonym	Physcosoma minutum Ten Broeke, 1925
Synonym	Physcosoma horsti Ten Broeke, 1925

Classification

Animalia [kingdom] Animals
- Sipuncula [phylum] Sipunculid Worms
  - Phascolosomatidea [class]
    - Phascolosomatida [order]
      - Phascolosomatidae [family]
        
        Phascolosoma Leuckart, 1828 [genus]
        
        Phascolosoma nigrescens (Keferstein, 1865) [species]