Perspicaris
| Perspicaris | ||||||
|---|---|---|---|---|---|---|
| Temporal occurrence | ||||||
| 513 to 501 million years | ||||||
| Locations | ||||||
| Systematics | ||||||
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| Scientific name | ||||||
| Perspicaris | ||||||
| Briggs , 1977 | ||||||
Perspicaris is an extinct arthropod researched in the form of fossils from the Cambrian . Perspicaris is one of the very primeval arthropods from the Burgess Shale and is thereforerelevantfor clarifying the origin of the group in the context of the radiation of multicellular animals ( Cambrian explosion ). The fossil was described in detail by DEG Briggs in 1977.
The living animal was about 2–3 cm long and probably moved by swimming. It had a two-part carapace and pronounced stalk eyes; the name Perspicaris means "sharp-eyed crab" (Briggs 1977).
literature
- DEG Briggs: Bivalved arthropods from the Cambrian Burgess Shale of British Columbia. Palaeontology, Vol. 20, Part 3. 1977 PDF