Xanioascus

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Xanioascus canadensis
Temporal range: 515–505Ma
Xanioascus canadensis.jpg
Artist's reconstruction
Scientific classification
Kingdom: Animalia
Phylum: Ctenophora
Genus: Xanioascus
Species: X. canadensis
Binomial name
Xanioascus canadensis

Xanioascus canadensis is an extinct ctenophore, known from the Canadian Burgess Shale in British Columbia. The species which is about 515 to 505 million years old had 24 comb rows - in contrast to all modern forms which have only 8.

Other important Cambrian ctenophore fossils are Fasciculus vesanus and Ctenorhabdotus capulus.

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