Tamisiocaris Explained

Tamisiocaris (from Latin tamisium, sieve, and Greek karis, crab, shrimp) is a radiodont genus from the Cambrian period. The taxon was initially described in 2010 based on frontal appendages discovered from the Sirius Passet lagerstatte in northern Greenland..[1] A subsequent study by Vinther and colleagues 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 long.[3]

Phylogeny

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

Notes and References

  1. Daley . Allison . Peel . John S. . amp . 2010 . A possible anomalocaridid from the Cambrian Sirius Passet lagerstätte, North Greenland . . 84 . 2 . 352–355 . 10.1666/09-136R1.1.
  2. Vinther . Jakob . Stein . Martin . Longrich . Nicholas R. . Harper . David A. T. . amp . 2014 . A suspension-feeding anomalocarid from the Early Cambrian . Nature . 507 . 7493 . 496–499 . 10.1038/nature13010 . 24670770. 1983/88f89453-e81f-4767-a74d-1794c33e6b34 . free .
  3. Lerosey-Aubril . Rudy . Pates . Stephen . and . September 2018 . New suspension-feeding radiodont suggests evolution of microplanktivory in Cambrian macronekton . Nature Communications . 9 . 1 . 3774 . 2018NatCo...9.3774L . 10.1038/s41467-018-06229-7 . 6138677 . 30218075. Dryad Data

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