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Fasciculus vesanus
Temporal range: 515–505 Ma
Fasciculus vesanus.jpg
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 ctenophores, 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[edit]

Maotianshan shales ctenophores[edit]

External links[edit]


  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. JSTOR 56388. doi:10.1098/rstb.1996.0024.