---
title: "Twin Fanworm"
description: "Bispira volutacornis — Inne zwierzęta. Bispira volutacornis, sometimes known as the twin fan worm or spiral fan worm, is a species of tube worm inhabiting the shallow sublittoral zone of the eastern Atlantic Ocean."
canonical: https://animalchecklist.com/pl/animal/twin-fanworm
last_updated: 2026-09-20
---

# Twin Fanworm

> Bispira volutacornis — Inne zwierzęta. Bispira volutacornis, sometimes known as the twin fan worm or spiral fan worm, is a species of tube worm inhabiting the shallow sublittoral zone of the eastern Atlantic Ocean.

- Scientific name: *Bispira volutacornis*
- Category: `other` (Inne zwierzęta)
- Habitats: `sea` (Morze i wybrzeże)
- iNaturalist observations: 468
- Wikidata: [Q2798601](https://www.wikidata.org/wiki/Q2798601)
- iNaturalist taxon: [338011](https://www.inaturalist.org/taxa/338011)

## Names

- en: Twin Fanworm
- fr: Bispire
- nl: Dubbele waaierkokerworm

## Countries with the most observations

GB (111), FR (104), PT (67), JE (32), ES (29), IE (11)

## Summary

Bispira volutacornis, sometimes known as the twin fan worm or spiral fan worm, is a species of tube worm inhabiting the shallow sublittoral zone of the eastern Atlantic Ocean. It has a parchment-like tube with a mucoid outer layer, often coated with mud or silt. The tube is usually concealed in a crevice, and the worm can retract into it when disturbed.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Bispira_volutacornis

## Photo

![Twin Fanworm](https://animalchecklist.com/img/animals/twin-fanworm/medium.jpg)

Photo: Alexander Lydon · CC0 · inaturalist — https://www.inaturalist.org/observations/329994693

## Machine access

`GET https://animalchecklist.com/api/v1/animals/twin-fanworm?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).