| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Diplozonina (disused)
Taxonomy
Diplozonina was named by Spencer and Wright (1966). It is extant. It was considered monophyletic by Gale (1987).
It was considered an invalid subgroup of Asteroidea by Blake (2018).
It was assigned to Paxillosida by Spencer and Wright (1966), Hess (1972) and Gale (1987).
It was considered an invalid subgroup of Asteroidea by Blake (2018).
It was assigned to Paxillosida by Spencer and Wright (1966), Hess (1972) and Gale (1987).
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Diplozonina Spencer and Wright p. U45 |
| 1972 | Diplozonina Hess p. 7 |
| 1987 | Diplozonina Gale p. 124 |
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.
Subor. Diplozonina Spencer and Wright 1966
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. K. Spencer and C. W. Wright 1966 | Regular double rows of marginal; aboral skeleton typically of true paxillae but early forms may have granular tessellate plates; superambulacral plates present. Tube feet pointed, without sucking discs; ampulae double. |