Portalia | |
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A restoration of Portalia mira (top) compared with Redoubtia polypodia (bottom) | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | incertae sedis |
Genus: | †Portalia |
Species: | †P. mira |
Binomial name | |
†Portalia mira |
Portalia is a fossil from the Burgess Shale that was originally described by Charles Walcott as a holothurian echinoderm. A later interpretation by Madsen posits Portalia mira as a sponge.