1) Burgess Shale fossil
Found on
https://www.crosswordclues.com/clue/opabinia
Opabinia regalis is an extinct stem-arthropod found in the Middle Cambrian Burgess Shale Lagerstätte of British Columbia, Canada. Fewer than twenty good specimens have been described; 3 specimens of Opabinia are known from the Greater Phyllopod bed, where they comprise less than 0.1% of the community. Opabinia was a soft-bodied animal of modest s...
Found on
http://en.wikipedia.org/wiki/Opabinia
(from the article `Burgess Shale`) ...unusual fossils as Hallucigenia, a creature with a long tubular body and two rows of tall dorsal spines; Wiwaxia, an oval creature with two rows ...
Found on
http://www.britannica.com/eb/a-z/o/22
No exact match found.
