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| Kingdom Animalia |
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Balanoglossus apertus (Spengel, 1893) -- valid |
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Balanoglossus aurantiacus (Girard, 1853) -- valid |
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Balanoglossus biminiensis (Willey, 1899) -- valid |
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Balanoglossus clavigerus delle Chiaje, 1829 -- valid |
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Glandiceps Spengel, 1891 -- valid |
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Glandiceps talaboti (Marion, 1876) -- valid |
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Glossobalanus Spengel, 1901 -- valid |
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Glossobalanus minutus (Kowalvesky, 1866) -- valid |
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Glossobalanus sarniensis (Koehler, 1886) -- valid |
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Harrimania Ritter, 1900 -- valid |
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Harrimania kupfferi (von Willemoes-Suhm, 1871) -- valid |
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Harrimaniidae Spengel, 1901 -- valid |
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Schizocardium Spengel, 1893 -- valid |
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Schizocardium brasiliense Spengel, 1893 -- valid |
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Schizocardium peruvianum Spengel, 1893 -- valid |
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Spengelia Willey, 1898 -- valid |
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Spengelia alba Willey, 1899 -- valid |
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Spengelia porosa Willey, 1898 -- valid |
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Stereobalanus Spengel, 1901 -- valid |
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Stereobalanus canadensis (Spengel, 1893) -- valid |
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