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What do these icons mean? The icons tell you what features are available for that taxon. | |
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Information |
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Pictures |
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Specimens |
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Sounds |
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Confused by a class within a class or an order within an order? Please see our brief essay.
Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.
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Order Cephalaspidea
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Family Acteocinidae -



Family Aglajidae -



Family Aplustridae -



Family Bullidae -



Family Bullinidae -



Family Cylichnidae -



Family Diaphanidae -



Family Gastropteridae -



Family Haminoeidae -



Family Hydatinidae -



Family Notodiaphanidae -



Family Philinidae -



Family Retusidae -



Family Ringiculidae -



Family Runcinidae

