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| Kingdom Animalia |
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Neosimnia P. Fischer, 1884 – valid
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Neosimnia advena (Cate, 1978) – valid
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Neosimnia aequalis (G. B. Sowerby II, 1832) – valid
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Neosimnia avena (G. B. Sowerby II, 1832) – valid
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Neosimnia avena avena (Sowerby, 1832) – valid
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Neosimnia avena ruthturnerae Cate, 1973 – valid
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Neosimnia barbarensis (Dall, 1892) – valid – Santa Barbara simnia
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Neosimnia bellamaris S. S. Berry, 1946 – valid – Pacific simnia
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Neosimnia bijuri (Cate, 1976) – valid
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Neosimnia loebbeckeana (Weinkauff, 1881) – valid
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Neosimnia spelta Linnaeus, 1758 – valid – Keys simnia
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Neosimnia spelta capitia Cate, 1973 – valid – Keys simnia
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Neosimnia spelta spelta – valid
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Pseudosimnia Schilder, 1927 – valid
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Pseudosimnia pyrifera Cate, 1973 – valid – pear simnia
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Pseudosimnia sphoni Cate, 1973 – valid
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Pseudosimnia vanhyningi (M. Smith, 1940) – valid
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Simnia Risso, 1826 – valid
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Simnia acicularis (Lamarck, 1810) – valid
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Simnia aequalis Sowerby, 1832 – valid
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Simnia aequalis aequalis Sowerby, 1832 – valid
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Simnia aequalis vidleri (Sowerby, 1881) – valid
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Simnia avena – valid
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Simnia loebbeckeana (Weinkauff, 1881) – valid
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Simnia uniplicata Sowerby, 1848 – valid
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Simnia vidleri (Sowerby, 1881) – invalid
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Simnialena Cate, 1973 – valid
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Simnialena marferula Cate, 1973 – valid – sea-whip simnia
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Simnialena uniplicata (G. B. Sowerby II, 1848) – valid – one-tooth simnia
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Subsimnia – valid
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Subsimnia bellamaris (S. S. Berry, 1946) – valid – pacific simnia |
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