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Præanaspides præcursor, One of the Fossil Syncarida, from the Coal-measures of Derbyshire

Præanaspides præcursor, One of the Fossil Syncarida, from the Coal-measures of Derbyshire.jpg The Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoidesThe Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoidesThe Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoidesThe Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoidesThe Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoidesThe Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoidesThe Tasmanian 'Mountain Shrimp'ThumbnailsLarval Stages of the Common Rock Barnacle (Balanus balanoides