Biology:Tamisiocaris

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Short description: Anomalocaridid
Size diagram

Tamisiocaris
Temporal range: Cambrian Stage 3
20191228 Radiodonta frontal appendage Tamisiocaris borealis.png
20210630 Tamisiocaris borealis frontal appendage mobility.gif
Movement of a frontal appendage
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Dinocaridida
Order: Radiodonta
Family: Tamisiocarididae
Genus: Tamisiocaris
Daley & Peel, 2010
Species:
T. borealis
Binomial name
Tamisiocaris borealis
Daley & Peel, 2010

Tamisiocaris (from Latin tamisium, sieve, and Greek karis, crab, shrimp) is a radiodont genus initially only known from frontal appendages from the Cambrian Sirius Passet lagerstatte in northern Greenland. It was initially described initially in 2010.[1] Further study in 2014 revealed that the frontal appendages were segmented and bore densely packed auxiliary spines, which were adapted to suspension feeding in a manner analogous to modern baleen whales.[2] It is assigned to the family Tamisiocarididae, and is measured about 34 cm (1.12 ft) long in total body length.[3]

Phylogeny

Tamisiocaris in cladogram after Vinther et al., 2014.[2]

Radiodonta

Caryosyntrips

Anomalocarida

Anomalocarididae

Amplectobeluidae

Tamisiocarididae

Echidnacaris briggsi

Tamisiocaris borealis

Hurdiidae

References

Wikidata ☰ Q2391651 entry