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Dinosgacha

Invertebrate

Stanleycaris

Stanleycaris was a radiodont whose fossils preserve remarkable detail in the head region.

Stanleycaris was a radiodont whose fossils preserve remarkable detail in the head region. Its three-eye arrangement gives it a distinctive appearance within that early arthropod-related group.

Stanleycaris at a glance

Diet
Carnivore
Its feeding structures are interpreted as adapted to taking animal prey.
When it lived
Cambrian
Group
Hurdiidae
Hurdiidae

Beyond the game

The real Stanleycaris

Stanleycaris was a radiodont whose fossils preserve remarkable detail in the head region. Its three-eye arrangement gives it a distinctive appearance within that early arthropod-related group.

Its head includes a distinctive three-eye arrangement. Segmented frontal appendages and swimming flaps complete a body plan unlike that of any vertebrate.

Fossil discoveries

British Columbia, Canada · approximate location
British Columbia, Canada

Selected fossil records · present-day map

Map references

Paleobiology Database · J.-B. Caron, R. R. Gaines, and M. G. Mángano, M. Streng, A. C. Daley. 2010. A new Burgess Shale–type assemblage from the “thin” Stephen Formation of the southern Canadian Rockies. Geology 38(9):811-814 ↗

Map: Natural Earth, public domain. Fossil records: Paleobiology Database and linked collections and publications.

Sources & text credits

Explore the references behind this profile.

  1. Royal Ontario Museum: Stanleycaris hirpex
  2. A three-eyed radiodont with fossilized neuroanatomy informs the origin of the arthropod head and segmentation
  3. Paleobiology Database: Stanleycaris hirpex (txn:491153)

Original English Dinosgacha summaries informed by the linked scientific and museum references; source publications retain their own rights.

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