Mussels: Family Mytilidae

Mussels: Family Mytilidae

In my collection I have a few hundred Ribbed-Mussels (Geukensia demissa). They are thin shells with a highly reflective reverse side:


Ribbed Mussel from my collection 2010

The other mussels in my collection are thicker and reddish/purplish (.5" wide and up to 3" long) which I believe are versions of the American Horse Mussel. They have thick lines extending from the hinges. They are similar to Southern Horsemussels.  These shells are not common to S. Hutchinson Island beaches and only a handful have been collected.


American Horse Mussel


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From Wikipedia, the free encyclopedia

Mytilidae

Scientific classification e
Kingdom:     Animalia
Phylum:     Mollusca
Class:     Bivalvia
Order:     Mytilida
Superfamily:     Mytiloidea
Family:     Mytilidae
Rafinesque, 1815

Genera
Mytilidae are a family of small to large saltwater mussels, marine bivalve molluscs in the order Mytilida. One of the genera, Limnoperna, inhabits brackish or freshwater environments. The order has only this one family which contains some 52 genera.[1]

Species in the family Mytilidae are found worldwide, but they are more abundant in colder seas, where they often form uninterrupted beds on rocky shores in the intertidal zone and the shallow subtidal. The subfamily Bathymodiolinae is found in deep-sea habitats.

Mytilids include the well-known edible sea mussels.

A common feature of the shells of mussels is an asymmetrical shell which has a thick, adherent periostracum. The animals attach themselves to a solid substrate using a byssus.

A 2020 study of the phylogeny of Mytilidae recovered two main clades derived from an epifaunal ancestor, with subsequent lineages shifting to other lifestyles, and correlating convergent evolution of siphon traits.[2]

Genera
A bed of the edible California mussel, Mytilus californianus
Mussels and attached barnacles on the Cornish coast near Newquay
Mytilus (Falcimytilus) jurensis from the Middle Jurassic (Callovian) Matmor Formation of southern Israel

Genera within the family Mytilidae include:[1]

    Adipicola Dautzenberg, 1927
    Adula H. Adams & A. Adams, 1857
    Amygdalum Megerle von Muhlfeld, 1811
    Arcuatula Jousseaume in Lamy, 1919 (incl. Musculista)
    Arenifodiens Wilson, 2006
    Arvella Bartsch, 1960
    Aulacomya Mörch, 1853
    Bathymodiolus Kenk & Wilson, 1985
    Benthomodiolus Dell, 1987
    Botula Mörch, 1853
    Brachidontes Swainson, 1840
    Choromytilus Soot-Ryen, 1952
    Crenella T. Brown, 1827
    Crenomytilus Soot-Ryen, 1955
    Dacrydium Torell, 1859
    Exosiperna Iredale, 1929
    Fungiacava T. F. Goreau, N. I. Goreau, Neumann & Yonge, 1968
    Geukensia Van de Poel, 1959
    Gibbomodiola Sacco, 1898
    Gigantidas Cosel & Marshall, 2003
    Gregariella Monterosato, 1884
    Idas Jeffreys, 1876
    Idasola Iredale, 1939
    Ischadium Jukes-Browne, 1905
    Jolya Bourguignat, 1877
    Limnoperna Rochebrune, 1882
    Lioberus Dall, 1898
    Lithophaga Röding, 1798
    Megacrenella Habe & Ito, 1965
    Modiolatus Jousseaume, 1893
    Modiolula Sacco, 1898
    Modiolarca Gray, 1842
    Modiolus Lamarck, 1799
    Musculus Röding, 1798
    Mytella Soot-Ryen, 1955
    Mytilaster Monterosato, 1884
    Mytilus Linnaeus, 1758; includes most edible mussel species
    Perna Philipsson, 1788 - incl. New Zealand green-lipped mussel
    Perumytilus Olsson, 1961
    Rhomboidella Monterosato, 1884
    Semimytilus Soot-Ryen, 1955
    Septifer Recluz, 1848
    Sinomytilus Thiele, 1934
    Solamen Iredale, 1924
    Stavelia Gray, 1858
    Tamu Gustafson, Turner, Lutz & Vrijenhoek, 1998
    Trichomya Ihering, 1900
    Urumella Hayami & Kase, 1993
    Vilasina Bartsch, 1960
    Vulcanidas Cosel & B. A. Marshall, 2010
    Xenostrobus Wilson, 1967
    Zelithophaga Finlay, 1926

References

Bouchet, P. (2014).Mytilidae Rafinesque, 1815 World Register of Marine Species

    Audino, Jorge A.; Serb, Jeanne M.; Marian, José Eduardo A. R. (2020). "Phylogeny and anatomy of marine mussels (Bivalvia: Mytilidae) reveal convergent evolution of siphon traits". Zoological Journal of the Linnean Society. 190 (2): 592–612. doi:10.1093/zoolinnean/zlaa011.

External links

    Media related to Mytilidae at Wikimedia Commons
    Data related to Mytilidae at Wikispecies


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