Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: incertae sedis
Phylum: Ctenophora
Classis: not divided
Ordo: not divided
Familia: †Fasciculidae
Genus: †Fasciculus
Species: †Fasciculus vesanus
Name
Fasciculus vesanus Simonetta & Delle Cave, 1978
Fasciculus vesanus is an extinct species of stem-group ctenophores known from the Burgess Shale of British Columbia, Canada. It is dated to 515 to 505 million years ago and belongs to middle Cambrian strata.[1]
The species is remarkable for its two sets of long and short comb rows, not seen in similar form elsewhere in the fossil record or among modern species.
See also
Ctenorhabdotus capulus
Xanioascus canadensis
Maotianshan shales ctenophores
Maotianoascus octonarius
Sinoascus paillatus
Stromatoveris psygmoglena
References
S. Conway Morris & D. H. Collins (1996). "Middle Cambrian ctenophores from the Stephen Formation, British Columbia, Canada". Philosophical Transactions of the Royal Society B: Biological Sciences. 351 (1337): 243–360. doi:10.1098/rstb.1996.0024. JSTOR 56388.
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