ecofactbook
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species
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Animalia
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Brachiopoda
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Strophomenata
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Productida
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Productidae
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Yakovlevia
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Yakovlevia anterospinosa
Yakovlevia costellata
Yakovlevia deminutiva
Yakovlevia duplex
Yakovlevia geniculata
Yakovlevia greenlandica
Yakovlevia hessorum
Yakovlevia immatura
Yakovlevia indentata
Yakovlevia intermedia
Yakovlevia mammata
Yakovlevia multistriata
Yakovlevia sulcata
Yakovlevia transversa
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Yakovlevia anterospinosa