Ungulinidae
Encyclopedia
Ungulinidae is a family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of marine bivalve molluscs.

Characteristics

The members of this family are found in muddy sand or gravel at or below low tide mark. They have characteristically rounded shells with forward-facing umbones (projections). The valves are flattened and deeply etched with concentric rings. Each valve bears two cardinal and two plate-like lateral teeth. These molluscs do not have siphons but the extremely long foot makes a channel which is then lined with slime and serves for the intake and expulsion of water.

Genera and species

  • Diplodonta Bronn, 1831
    • Diplodonta aleutica Dall
      W. H. Dall
      William Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...

      , 1901
    • Diplodonta candeana (d'Orbigny, 1842)
    • Diplodonta cornea (Reeve
      Lovell Augustus Reeve
      Lovell Augustus Reeve was an English conchologist.Lovell Augustus Reeve was initially apprenticed to a grocer of Ludgate Hill between 1827 and '34...

      , 1850)
    • Diplodonta discrepans (Carpenter
      Phillip Pearsall Carpenter
      Philip Pearsall Carpenter Rev. Dr. , who in 1841, was ordained Presbyterian minister in England, and a Doctorate of Philosophy in 1860, and whose field work as a malacologist or conchologist in North America is still well regarded today...

      , 1857)
    • Diplodonta globus
      Diplodonta globus
      Diplodonta globus is a species of marine bivalve mollusc in the family Ungulinidae.-References:* Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1...

      (Finlay
      Harold John Finlay
      Harold John Finlay was a New Zealand palaeontologist and conchologist. He was born in Comilla, India , on 22 March 1901....

      , 1927)
    • Diplodonta impolita S. S. Berry, 1953
    • Diplodonta inezensis (Hertlein
      Leo George Hertlein
      Leo George Hertlein was an American paleontologist and malacologist who studied the Recent and fossil mollusks of the eastern Pacific Ocean.Hertlein was born on a farm in Pratt County, Kansas...

       and Strong, 1947)
    • Diplodonta lupina Brocchi, 1814
    • Diplodonta notata Dall and Simpson, 1901
    • Diplodonta nucleiformis Wagner, 1838
    • Diplodonta obliqua Philippi
      Rodolfo Amando Philippi
      Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

      , 1846
    • Diplodonta orbella (Gould
      Augustus Addison Gould
      Augustus Addison Gould was an American conchologist and malacologist.-Biography:...

      , 1851)
    • Diplodonta punctata
      Diplodonta punctata
      Diplodonta punctata, or the Atlantic diplodon, is a species of bivalve mollusc in the family Ungulinidae. It can be found along the Atlantic coast of North America, ranging from North Carolina to the West Indies and Bermuda....

      (Say
      Thomas Say
      Thomas Say was an American naturalist, entomologist, malacologist, herpetologist and carcinologist. A taxonomist, he is often considered to be the father of descriptive entomology in the United States. He described more than 1,000 new species of beetles and over 400 species of insects of other...

      , 1822)
      — Atlantic diplodon
    • Diplodonta rotundata
    • Diplodonta semiaspera
      Diplodonta semiaspera
      Diplodonta semiaspera, or the pimpled diplodon, is a species of bivalve mollusc in the family Ungulinidae. It can be found in Caribbean waters, ranging from southern Florida to the West Indies....

      Philippi
      Rodolfo Amando Philippi
      Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

      , 1836
      — pimpled diplodon
    • Diplodonta sericata (Reeve
      Lovell Augustus Reeve
      Lovell Augustus Reeve was an English conchologist.Lovell Augustus Reeve was initially apprenticed to a grocer of Ludgate Hill between 1827 and '34...

      , 1850)
    • Diplodonta soror C. B. Adams, 1852
    • Diplodonta striatula (Finlay
      Harold John Finlay
      Harold John Finlay was a New Zealand palaeontologist and conchologist. He was born in Comilla, India , on 22 March 1901....

      , 1927)
    • Diplodonta subglobosa C. B. Adams, 1852
    • Diplodonta torrelli Jeffreys, 1976
    • Diplodonta venezuelensis Dunker, 1848
    • Diplodonta verrilli
      Diplodonta verrilli
      Diplodonta verrilli, or Verrill's diplodon, is a species of bivalve mollusc in the family Ungulinidae. It can be found along the Atlantic coast of North America, ranging from Massachusetts to North Carolina....

      Dall
      W. H. Dall
      William Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...

      , 1900
      — Verrill's diplodon
  • Felaniella Dall
    W. H. Dall
    William Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...

    , 1899
    • Felaniella cornea (Reeve
      Lovell Augustus Reeve
      Lovell Augustus Reeve was an English conchologist.Lovell Augustus Reeve was initially apprenticed to a grocer of Ludgate Hill between 1827 and '34...

      , 1850)
    • Felaniella gericata (Reeve
      Lovell Augustus Reeve
      Lovell Augustus Reeve was an English conchologist.Lovell Augustus Reeve was initially apprenticed to a grocer of Ludgate Hill between 1827 and '34...

      , 1850)
    • Felaniella parilis (Conrad
      Timothy Abbott Conrad
      Timothy Abbott Conrad was an American geologist, malacologist and carcinologist.- External links :* at Internet Archive...

      , 1848)
    • Felaniella rakiura
      Felaniella rakiura
      Felaniella rakiura is a species of small marine bivalve mollusc in the family Ungulinidae.-References:* Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1...

      (Powell
      Arthur William Baden Powell
      Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...

      , 1939)
    • Felaniella sericata (Reeve
      Lovell Augustus Reeve
      Lovell Augustus Reeve was an English conchologist.Lovell Augustus Reeve was initially apprenticed to a grocer of Ludgate Hill between 1827 and '34...

      , 1850)
    • Felaniella usta (Gould
      Augustus Addison Gould
      Augustus Addison Gould was an American conchologist and malacologist.-Biography:...

      , 1861)
    • Felaniella vilardeboana (d'Orbigny, 1846)
    • Felaniella zelandica
      Felaniella zelandica
      Felaniella zelandica is a species of medium-sized marine bivalve mollusc in the family Ungulinidae.-References:* Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1...

      (Gray, 1835)
  • Phlyctiderma
    • Phlyctiderma notata (Dall
      W. H. Dall
      William Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...

       and Simpson, 1901)
    • Phlyctiderma phoebe (Berry, 1960)
    • Phlyctiderma semiaspera (Philippi
      Rodolfo Amando Philippi
      Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

      , 1836)
  • Ungulina
    • Ungulina cuneata (Spengler
      Lorenz Spengler
      Lorenz Spengler was a Swiss-born Danish turner and naturalist.He arrived at Copenhagen in 1743. He was a tutor to Christian VI of Denmark and later Frederick V of Denmark in the art of turning. From 1771 he was head of the Royal Art Chamber , a position he held until his death in...

      , 1782)
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