The fossil record of the asteroid (Echinodermata) family Chaetasteridae Sladen, 1889 and subfamily Hyalothricinae Fisher, 1911

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Abstract

The Cretaceous asteroid Arthraster is referred to the living family Chaetasteridae on the basis of similarities in ossicular arrangement in the abactinal disc and arms. Chaetasterina, previously identified as a chaetasterid, is transferred to the family Asterinidae, subfamily Hyalothricinae, and constitutes the first fossil record of the subfamily.
Original languageEnglish
Pages (from-to)144-150
Number of pages7
JournalZootaxa
Volume4858
Issue number1
DOIs
Publication statusPublished - 29 Sept 2020

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