|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Asteroidea - Hudsonasteridae
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|J. W. Branstrator 1979||Promopalaeaster with intermarginal and adradial accessory ossicles arranged in alternately prominent transverse rows. Intermarginal and adradial ossicles less massive than adjacent ossicles in primary columns; substantially excavated on ossicle margins.|