| 词条 | Fasciculus |
| 释义 |
| name = Fasciculus vesanus | image = Fasciculus_vesanus.jpg | image_caption = Artist's reconstruction | fossil_range = {{fossil range|515|505}} | parent_authority = Simonetta & Delle Cave, 1978 | taxon = Fasciculus vesanus | authority = 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 {{Ma|515|505}} 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
References1. ^{{cite journal |author=S. Conway Morris & D. H. Collins |year= |title=Middle Cambrian ctenophores from the Stephen Formation, British Columbia, Canada |journal=Biological Sciences |volume=351 |issue=1337 |pages=243–360 |jstor=56388 |doi=10.1098/rstb.1996.0024 }} {{Taxonbar|from=Q1397368}}{{cambrian-animal-stub}}{{Ctenophore-stub}} 5 : Prehistoric ctenophore genera|Burgess Shale animals|Monotypic ctenophore genera|Fossil taxa described in 1978|Cambrian genus extinctions |
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