Fasciculus

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]

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

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
  • "Fasciculus vesanus". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.

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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