{"id":4710,"date":"2014-01-11T15:41:00","date_gmt":"2014-01-11T20:41:00","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=4710"},"modified":"2016-09-28T21:58:46","modified_gmt":"2016-09-29T01:58:46","slug":"lyrodesma","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/mollusca\/bivalvia\/trigonioda\/lyrodesmatidae\/lyrodesma\/","title":{"rendered":"Lyrodesma<\/em>"},"content":{"rendered":"
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Classification<\/strong>
\nPhylum: Mollusca<\/a>
\nClass:
Bivalvia<\/a>
\nOrder:
Trigonioda<\/a>
\nFamily:
Lyrodesmatidae<\/a>
\nGenus: Lyrodesma<\/em> Conrad, 1841
\nCincinnatian Species:
Lyrodesma inornatum<\/a>, Lyrodesma major<\/a><\/em><\/p>\n<\/div>\n

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[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Taxonomic Details”]<\/p>\n
  • 1841 Lyrodesma<\/em> Condrad, Ann. Geol. Rep. New York, p. 51.<\/li>\n
  • 1847 Lyrodesma<\/em> Hall, Pal. New York, 1, p. 302.<\/li>\n
  • 1854 Lyrodesma<\/em> McCoy, British Pal. Rocks, Fossl.,p. 272.<\/li>\n
  • 1854 Lyrodesma<\/em> Woodward, Man. Mollusca, pt. 2, p. 273.<\/li>\n
  • 1855 Lyrodesma<\/em> Pietet, Traite de Pal., 2nd ed., 3, p. 534.<\/li>\n
  • 1856 Lyrodesma<\/em> Hall, Canadian Nat. Geol., 1, p. 394.<\/li>\n
  • 1857 Lyrodesma<\/em> Hall, 10th Rep. New York State Cab. Nat. Hist., p. 185 (Extr., p. 145)<\/li>\n
  • 1862 Lyrodesma<\/em> Hall, 15th Rep. New York State Cab. Nat Hist., pl. 11, fig. 5.<\/li>\n
  • 1872 Lyrodesma<\/em> Hall, 24th Rep. New York State Cab. Nat Hist., p. 227 (Extr. 1871, p. 4).<\/li>\n
  • 1874 Lyrodesma<\/em> Miller, Cincinnati Quart. Jour. Sci., 1, p. 226.<\/li>\n
  • 1881 Lyrodesma<\/em> Zittel, Handb. Pal., 2, Munich, p. 55.<\/li>\n
  • 1889 Lyrodesma<\/em> N.A. Geol. Pal., p. 487<\/li>\n
  • 1893 Lyrodesma<\/em> Ulrich, Geol. Survey Ohio, 7, p. 682.<\/li>\n
  • 1894 Lyrodesma<\/em> Ulrich, Geol. Minnesota, 3, pt. 2, p. 608.<\/li>\n
  • 1900 Lyrodesma<\/em> Dall, Zittel-Eastman Textb. Pal., 1, p. 378.<\/li>\n
  • 1909 Lyrodesma<\/em> Grabau and Shimer, N.A. Index Fossils, 1, p. 481.<\/li>\n

    [\/accordion] [\/accordions]\n<\/p><\/div>\n

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    Geologic Range<\/strong>
    \nMiddle Ordovician – Late Ordovician<\/p>\n

    Common Paleoecology<\/strong>
    \nLyrodesma<\/em> is an extinct genus of facultatively mobile shallow infaunal suspension feeders<\/p>\n

    Identification in Hand Sample<\/strong>:<\/p>\n

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    • Elongate<\/li>\n
    • Smooth anterior surface<\/li>\n
    • Beak-like shape of the posterior end<\/li>\n
    • Pallial sinus present<\/li>\n
    • Faint radial grooves<\/li>\n<\/ul>\n<\/div>\n
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      Geographic Occurrences<\/strong><\/p>\n

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