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From Wikipedia, the free encyclopedia

Xanioascus canadensis
Fossil range: Mid Cambrian
Conservation status
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 512 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.


Up to date as of January 23, 2010

From Wikispecies


Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: incertae sedis
Phylum: Ctenophora
Classis: not divided Ordo: not divided Familia: †Xanioascidae Genus: †Xanioascus Species: †Xanioascus canadensis


Xanioascus canadensis S. Conway Morris & D.H. Collins, 1996


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