|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Asteroidea - Hudsonasteridae
It was synonymized subjectively with Protopalaeaster by Owen (1965).
It was assigned to Hudsonasterinae by Spencer and Wright (1966); to Pustulosida by Sepkoski (2002); and to Hudsonasteridae by Dean Shackleton (2005).
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. Dean Shackleton 2005||Primary interradials with interradial projections pointing centrally; greater than three adambulacrals abutting against axillary; axillary diamond-shaped.|