Scenella
amii
Phylum
Mollusca (?), Order Helcionellida, Family Scenellidae
Geologic
Time: Early Cambrian (~520 million years ago)
Size: 6 mm
Fossil
Site: Burgess Shale, Stephen Formation, Burgess Pass, British Columbia,
Canada
 The
domed shell of Scenella is a relatively common fossil of the Burgess
Shale Fauna that was assigned by Walcott to the monoplacophoran
genus Scenella. More recently, some Scenella have been reinterpreted
as a by-the-wind sailor or floating coelenterate much like the Portuguese
Man-of-War.
Also
see: Living fossils |
|
