Tamisiocarididae
Clade of extinct arthropods / From Wikipedia, the free encyclopedia
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Tamisiocarididae is a family of radiodonts, extinct marine animals related to arthropods, that bore finely-spined appendages that were presumably used in filter-feeding. When first discovered, the clade was named Cetiocaridae after a speculative evolution artwork, Bearded Ceticaris by John Meszaros, that depicted a hypothetical filter-feeding radiodont at a time before any were known to exist.[1][2][3] However, the family name was not valid according to the International Code of Zoological Nomenclature, as no real genus named "Cetiocaris" exists, and in 2019 it was formally replaced by the name Tamisiocarididae, after the only valid genus of the clade at the time.[4] The family is only known from Series 2 of the Cambrian, unlike other radiodont families, which persisted longer into the Cambrian. All known species would have lived in tropical or subtropical waters, suggesting a preference for warmer waters.[5]
Tamisiocarididae | |
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Frontal appendages of Echidnacaris briggsi and Tamisiocaris borealis | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Dinocaridida |
Order: | †Radiodonta |
Family: | †Tamisiocarididae Pates & Daley, 2019 |
Genera | |