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Order Summary for Cyclostomata
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Main Ref |
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Order |
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Cyclostomata |
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Class |
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Gymnolaemata |
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Sister Order |
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M years |
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Ref.. |
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First Fossil Record |
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Occurs in |
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Marine |
Fresh |
Brackish |
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Remark |
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Classetymology |
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Orderetymology |
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Families |
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( n = ) - Annectocymidae Cerioporidae Corymboporidae Crisiidae Crisinidae Densiporidae Diaperoeciidae Diastoporidae Entalophoridae Frondiporidae Heteroporidae Horneridae Lichenoporidae Mecynoeciidae Oncousoeciidae Plagioeciidae Pseudidmoneidae Pustuloporidae Stigmatoechidae Stomatoporidae Terviidae Theonoidae Tubuliporidae |
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