Chaetopterus pacificus

Chaetopterus pacificus is a species of parchment worm, a marine polychaete in the family Chaetopteridae.[1][2]

Chaetopterus pacificus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Annelida
Family: Chaetopteridae
Genus: Chaetopterus
Species:
C. pacificus
Binomial name
Chaetopterus pacificus
Nishi, 2001

Description and biology

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Chaetopterus pacificus is known from sandy bottoms from the Izu Peninsula to the Boso Peninsula, in central Japan. It is distinct in having an extended flip-like peristomium, a higher number (11-12) of chaetigers (chitinous bristle) in the anterior region, and a U-shaped tube.[3]

References

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  1. WoRMS. "Chaetopterus pacificus Nishi, 2001". World Register of Marine Species. Retrieved 7 August 2025.
  2. Jimi, Naoto (10 October 2024). "The Polychaetous Annelids of Japan: Updated Checklist of Known Species". Species Diversity. 29 (2) SD21-22. Japanese Society of Systematic Zoology: 337–377. doi:10.12782/specdiv.29.337. ISSN 1342-1670.
  3. Nishi, Eijiroh (31 December 2001). "Partial revision of Japanese Chaetopterus (Chaetopteridae, Polychaeta), including description of three new species from southern Pacific side of central Japan". Actinia: Bulletin of the Manazuru Marine Laboratory for Science Education, Faculty of Education and Human Sciences, Yokohama National University. 14. 横浜国立大学教育人間科学部附属理科教育実習施設: 1–26. Retrieved 7 August 2025.