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124 results found. Show results 1 - 12

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21343bw
21345bw
21353bw
21343bw 21345bw 21353bw
Fresh water pennate diatom frustule Fresh water pennate diatom frustule Fresh water pennate diatom frustule
     
 
23202B
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23316A
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Mayfly aquatic larva nymph (Baetis sp.) Mayfly aquatic larva nymph (Baetis sp.) Centric fossil diatom frustule
     
 
23316B
23316C
23324A
23316B 23316C 23324A
Centric fossil diatom frustule Centric fossil diatom frustule Centric fossil diatom frustule (Actinoptychus heliopelta)
     
 
23324B
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23482A
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Centric fossil diatom frustule (Actinoptychus heliopelta) Centric fossil diatom frustule (Actinoptychus heliopelta) Marine centric diatom frustule (Biddulphia aurita)