|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Asteroidea - Valvatida - Goniasteridae
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.
|H. W. Rasmussen 1950||A Ceramaster with equal numbers of superomarginals and inferomarginals. In the outermost part of the arm the marginals of the two sides meet in the mid line, producing an ossicle whose outline seen from the dorsal side is characteristically pentagonal. The free surface of the ossicles is evenly tumid, without an abactinal swelling; it is privided with a depressed border within which spine-pits and a marked granulation are found.|