Galapagos Species Database

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

Trigonulina novemcostata (A. Adams & Reeve, 1850)

Bivalve

(T. pacifica) Shallow water (less than 200 m depth)

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Mollusca

Class
Bivalvia

Superfamily
Verticordioidea

Family
Verticordiidae

Genus
Trigonulina

Species
novemcostata

Taxon category: Accepted

Syn.: Hippagus novemcostatus A. Adams & Reeve, 1850, Trigonulina hancocki (Bernard, 1969), Trigonulina pacifica P. Jung, 1996, Verticordia (Trigonulina) hancocki Bernard, 1969, Verticordia hancocki Bernard, 1969 (Horton et al., 2021). (T. pacifica) LACM :34-20, 66-204, 72-189 (fide Kaiser, 1997); Finet (2001): all previous records of Verticordia ornata (d’Orbigny) from the Galapagos probably refer to material of the new Trigonulina pacifica Jung, 1996, as Verticordia ornata was recognized a West Indian species (Jung, 1996)

Origin: Native

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.
  • Jung, P. (1996) Neogene Paleontology in the northern Dominican Republic 17. The Families Cuspidariidae and Verticordiidae (Mollusca: Bivalvia). Bulletins of American Paleontology 110 (351):35-74.
  • Kaiser, K.L. (1997) The recent molluscan marine fauna of the Islas Galápagos /. In The recent molluscan marine fauna of the Islas Galápagos. Kaiser, K. L. (1997). The recent molluscan marine fauna of the Islas Galápagos /. In The recent molluscan marine fauna of the Islas Galápagos / (p. 76). https://doi.org/10.5962/bhl.title.129924.

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This page should be cited as follows:

"Galapagos Species Database, Trigonulina novemcostata", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=20049. Accessed 1 November 2026.