Fasciculus

Not to be confused with fascicle (disambiguation).
Fasciculus vesanus
Temporal range: 515–505 Ma
Artist's reconstruction
Scientific classification
Kingdom: Animalia
Phylum: Ctenophora
Genus: Fasciculus
Simonetta & Delle Cave, 1978
Species: F. vesanus
Binomial name
Fasciculus vesanus
Simonetta & Delle Cave, 1978

Fasciculus vesanus is an extinct species of stem-group ctenophore, known from the Canadian Burgess Shale of British Columbia. 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

Maotianshan shales ctenophores

External links

References

  1. S. Conway Morris & D. H. Collins. "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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