Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Granigyra piona (Dall, 1919)

Height: 2 mm; diameter: 2 mm.

Deep water (more than 200 m depth)

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Mollusca

Class
Gastropoda

Order
Seguenziida

Superfamily
Trochoidea

Family
[unassigned] Seguenzioidea

Genus
Granigyra

Species
piona

Taxon category: Accepted

USNM: 207624 (Lectotype), 678685 (Paralectotypes)

Origin: Endemic

Distribution

Distribution: Ecuador ( Galapagos islands)

References

  • Finet, Y. (2001) The marine mollusks of the Galapagos Islands: a documented faunal list. Editions du Muséum d' Histoire naturelle, Genève, 237 pp.
  • Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.
  • Keen, A.M. (1958) Sea Shells of Tropical West America. Stanford University Press, Palo Alto, 1st edition, 624 pp.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Granigyra piona", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=10114. Accessed 8 June 2026.