|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Asteroidea - Platyasterida - Calliasterellidae
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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.
|D. B. Blake and H. Hagdorn 2003||Calliasterellid with arms sharply demarcated from disk; dorsal disk abactinals, arm ossicles weakly faceted. Axillary small. Successive adambulacrals overlapping proximally; dorsal podial pores forming prominent groove on proximal side of ambulacral. Plane of abradial ambulacral-ambulacral articular surfaces oriented approximately parallel to central ossicular axis therefore subsequent ambulacrals not significantly overlapping, ambulacrals approximately bilateral.|