Tamisiocaris (see Latin tamisium, sieve) is an anomalocaridid taxon initially only known from non-segmented great appendages from Sirius Passet. Further specimens revealed that the appendages near their mouths were adapted to filter feed in a manner analogous to modern baleen whales.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0