Tamisiocaris

Tamisiocaris; Temporal range:
	Movement of a frontal appendage
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Dinocaridida
Order:	†Radiodonta
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 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]

References

Allison C. Daley & John S. Peel (2010). "A possible anomalocaridid from the Cambrian Sirius Passet lagerstätte, North Greenland". Journal of Paleontology. 84 (2): 352–355. doi:10.1666/09-136R1.1.
Jakob Vinther; Martin Stein; Nicholas R. Longrich & David A. T. Harper (2014). "A suspension-feeding anomalocarid from the Early Cambrian" (PDF). Nature. 507 (7493): 496–499. doi:10.1038/nature13010. PMID 24670770.
Lerosey-Aubril R, Pates S (September 2018). "New suspension-feeding radiodont suggests evolution of microplanktivory in Cambrian macronekton". Nature Communications. 9 (1): 3774. Bibcode:2018NatCo...9.3774L. doi:10.1038/s41467-018-06229-7. PMC 6138677. PMID 30218075.

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[Daley2010-1] Allison C. Daley & John S. Peel (2010). "A possible anomalocaridid from the Cambrian Sirius Passet lagerstätte, North Greenland". Journal of Paleontology. 84 (2): 352–355. doi:10.1666/09-136R1.1.

[Vinther2014-2] Jakob Vinther; Martin Stein; Nicholas R. Longrich & David A. T. Harper (2014). "A suspension-feeding anomalocarid from the Early Cambrian" (PDF). Nature. 507 (7493): 496–499. doi:10.1038/nature13010. PMID 24670770.

[3] Lerosey-Aubril R, Pates S (September 2018). "New suspension-feeding radiodont suggests evolution of microplanktivory in Cambrian macronekton". Nature Communications. 9 (1): 3774. Bibcode:2018NatCo...9.3774L. doi:10.1038/s41467-018-06229-7. PMC 6138677. PMID 30218075.