Echidnacaris

Echidnacaris
Temporal range:
Diagram of frontal appendage
Speculative body size estimation
Scientific classification
Kingdom: Animalia
Stem group: Arthropoda
Class: †Dinocaridida
Order: †Radiodonta
Family: †Tamisiocarididae
Genus: †Echidnacaris
Paterson, García-Bellido & Edgecombe, 2023
Species:
†E. briggsi
Binomial name
†Echidnacaris briggsi
(Nedin, 1995)

Echidnacaris briggsi is an extinct species of radiodont known from the Cambrian Stage 4 aged Emu Bay Shale of Australia. Formerly referred to as "Anomalocaris" briggsi, it was placed in the new monotypic genus Echidnacaris in 2023. It is only distantly related to true Anomalocaris, and is instead placed in the family Tamisiocarididae.

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