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Ethnicparty
Annotations
acorn: Apart from the ordinary meaning of the word there's a possible reference to Αcorn worms or Enteropneusta: worm-like creatures which are sometimes considered as a link between classical invertebrates and vertebrates. They are rarely seen by humans because they live in U-shaped burrows on the sea-bed.
For more information: https://en.wikipedia.org/wiki/Acorn_worm
Pikaia: Pikaia gracilens, an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Once thought to be closely related to the ancestor of all vertebrates, it has for that reason received particular attention among the multitude of animal fossils found in the famous Burgess Shale in the mountains of British Columbia, Canada. The presence of a creature as complex as Pikaia some 530 million years ago reinforces the controversial view that the diversification of life must have extended back well before Cambrian times.
Source: https://en.wikipedia.org/wiki/Pikaia








