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   Calceolispongia
   Calceolispongia (literally "Shoe Sponge") is a diverse genus of cladid crinoids that lived along the shores of eastern Gondwanaland that correspond to Timor and Western Australia, today. When the first fossils were discovered, they were mistakenly thought to be sponges, hence the generic name. Late...
   Found op http://en.wikipedia.org/wiki/Calceolispongia
   
   

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