Hyotissa Stenzel 1971

Hyotissa is a genus of large saltwater oysters, marine bivalve mollusks in the family Gryphaeidae.^[1]

Species in this genus are known as honeycomb oysters, or "foam oysters" because under magnification, their shell structure is foam-like.

Species

• Hyotissa haitensis (Sowerby, 1850)
• Hyotissa hyotis (Linnaeus, 1758) - Giant honeycomb oyster
• Hyotissa inermis (G. B. Sowerby II, 1871)
• Hyotissa mcgintyi (Harry, 1985)
• Hyotissa numisma (Lamarck, 1819)
• Hyotissa quercina (G. B. Sowerby II, 1871)
• Hyotissa sinensis (Gmelin, 1791)
• Hyotissa semiplana (de Sowerby 1825)

Species brought into synonymy

• Hyotissa chemnitzii (Hanley, 1846): synonym of Dendostrea rosacea (Deshayes, 1836)
• Hyotissa quercina (G. B. Sowerby II, 1871): synonym of Hyotissa quercinus (G. B. Sowerby II, 1871) (incorrect spelling of specific epithet (quercinus is a noun in apposition))
• Hyotissa thomasi (McLean, 1941): synonym of Hyotissa mcgintyi (Harry, 1985)

References

Wikimedia Commons has media related to Hyotissa.

• Stenzel H.B. (1971). Oysters. In, Moore, R.C. (Ed.), Treatise on Invertebrate Paleontology, pt. N, vol. 3, Mollusca 6, Bivalvia. Geological Society of America and University of Kansas Press, Lawrence. 3(6): 953–1224
• Coan, E. V.; Valentich-Scott, P. (2012). Bivalve seashells of tropical West America. Marine bivalve mollusks from Baja California to northern Peru. 2 vols, 1258 pp.
• The original paper about the discovery of Hyotissa hyotis in the Florida Keys
• Paula M. Mikkelsen and Rudiger Bieler, 2008, Seashells of Southern Florida: Living Marine mollusks of the Florida Keys and adjacent regions, Princeton University Press, Princeton and Oxford, ISBN 0-691-11606-7
• World Register of Marine Species link: Hyotissa (+species list)
• "Hyotissa". National Center for Biotechnology Information (NCBI).
• Universal Biological Indexer