• found Yorkicystis to form a larger clade with edrioasteroids Isorophus, Argodiscus, and Kailidiscus. Due to its unique appearance and age, Yorkicystis was...
    7 KB (588 words) - 12:37, 7 January 2024
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    westergaardi Parapostibulla P. belli P. graysoni Eopostibulla Pyrgopostibulla Yorkicystis Torquerisediscus Cooperidiscus Dynocystis Stalticodiscus Ulrichidiscus...
    8 KB (797 words) - 19:39, 19 September 2024
  • 2021.2733. PMC 8889179. PMID 35232240. S2CID 247170097. Zamora, Samuel, Yorkicystis, the 500 million-year-old relative of starfish that lost its skeleton...
    338 KB (29,786 words) - 18:52, 3 October 2024