Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Phylum: Ctenophora
Classis: not divided
Ordo: not divided
Familia: †Xanioascidae
Genus: †Xanioascus
Species: †Xanioascus canadensis
Name
Xanioascus canadensis S. Conway Morris & D.H. Collins, 1996
Xanioascus canadensis is an extinct ctenophore, known from the Burgess Shale in British Columbia, Canada. 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.
References
External links
"Xanioascus canadensis". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011. Archived from the original on 2020-11-12.
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