|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Ophiuroidea - Stenasteridae
It was assigned to Stenasteracea by Schuchert (1915); to Asterozoa by Spencer (1927); to Eophiuricae by Spencer (1951) and Owen (1965); to Parophiurina by Spencer and Wright (1966); and to Ophiuroidea by Dean Shackleton (2005).
Is something missing? Join the Paleobiology Database and enter the data
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.
|W. K. Spencer 1951||Lateralia broad, each carrying several rows of spines|
|J. Dean Shackleton 2005||Ambulacral proximal podial flange with tongue overlapping proximal flange; ambulacral aboral surface with prominent aboral process; pronounced groove between opposing ambulacrals veiwed aborally; loss of madreporite; aboral plate rod-like; tubercles on aboral plating single; loss of calcified convex interadial disc; first podial pore shared between mouth angle plate and circumoral.|