Biology:Xanioascus

From HandWiki
Short description: Extinct genus of comb jellies

Xanioascus
Temporal range: 515–505 Ma
Artist's reconstruction
Scientific classification edit
Kingdom: Animalia
Phylum: Ctenophora
Genus: Xanioascus
Conway Morris & Collins, 1996
Species:
X. canadensis
Binomial name
Xanioascus canadensis
Conway Morris & 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

Wikidata ☰ {{{from}}} entry