Species Account

Hyotissa mcgintyi (Harry, 1985)

Ostreoidea : Gryphaeidae

Non-native
Tebble name:
Smith & Heppell name:

To size: To 100mm. Shell Structure: Thin but robust shell, fragile at the edges. Magnified the external rim of the internal shell has a lot of tiny holes to give a honeycomb structure. Equivalve: Equivalve. Equilateral: Almost equilateral. Tumidity: Flattened. Outline: Irregular circle to D-shaped. Left valve cemented to hard surface.

Sculpture: Irregular lumps and bumps. Sometimes with short spines. Margin: Irregular crinkles, fragile. Ligament: Triangular, alivincular ligament. Hinge: Dorsal margin often almost straight. Anterior and poster of ligament are crural teeth, more numerous in adults. Pallial Musculature: Monomyarian, posterior adductor muscle is circular. Colour: External cream to pink, internal white, edges of internal are cream.

Distribution & Ecology

Described from eastern Florida but is found from North Carolina, Cuba, Bahamas and Brazil.


In Britain and Ireland it has been at Chesil Beach, Dorset.

Depth Range

Additional Information & Related Species

Related Species

References

Listed are literature citing Hyotissa mcgintyi (Harry, 1985). Reference containing the species Type Description is highlighted.

Harry, H.W. 1985. Synopsis of the Supraspecific classification of Living Oysters (Bivalvia: Gryphaeidae and Ostreidae). The Veliger. 28(2): 121-158.

Resources

  • Conchological Society of Great Britain & Ireland
    Provides resources for understanding, identifying, recording, and conserving molluscs
  • CLEMAM
    Check List of European Marine Mollusca
  • MarLIN
    The Marine Life Information Network for Britain and Ireland (MarLIN) provides information for marine environmental management, protection and education. It is a centre of excellence in spatially based and time-series marine biological information and supports good stewardship in the marine environment.
  • NBN Gateway
    National Biodiversity Network's Gateway. Use it to explore UK biodiversity data, as contributed by participating data providers.
  • BivAToL
  • MarBEF
  • Malacological Society
  • Unitas Malacologica
  • Census of Marine Life
  • MarBEF
    MarBEF, a network of excellence funded by the European Union and consisting of 94 European marine institutes, is a platform to integrate and disseminate knowledge and expertise on marine biodiversity, with links to researchers, industry, stakeholders and the general public.

Image Gallery

Record last modified: 10/03/2021