Fasciculus

Fasciculus vesanus is an extinct species of stem-group ctenophores known from the Burgess Shale of British Columbia, Canada. It is dated to and belongs to middle Cambrian strata.

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.

Maotianshan shales ctenophores

 * Maotianoascus octonarius
 * Sinoascus paillatus
 *  Daihua sanqiong
 * Xianguangia sinica