Name : Ogygiocaris.
Meaning : Shrimp of the ancient King Ogyges.
Grouping: Arthropod, Trilobite, Asaphid.
Informal ID: Trilobite.
Fossil size: 20cm/8in.
Reconstructed size : Head-tail length 13cm/5in.
Habitat: Deep ocean floor.
Time span: Early to Middle Ordovician, 490-470 million years ago.
Main fossil sites: Worldwide.
Occurrence: ••