Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.
| Ancestral taxa | |||
|---|---|---|---|
| Domain: | Eukaryota | /displayed | [Taxonomy; edit] |
| Clade: | Amorphea | [Taxonomy; edit] | |
| Clade: | Obazoa | [Taxonomy; edit] | |
| (unranked): | Opisthokonta | [Taxonomy; edit] | |
| (unranked): | Holozoa | [Taxonomy; edit] | |
| (unranked): | Filozoa | [Taxonomy; edit] | |
| Clade: | Choanozoa | [Taxonomy; edit] | |
| Kingdom: | Animalia | [Taxonomy; edit] | |
| Subkingdom: | Eumetazoa | [Taxonomy; edit] | |
| Clade: | ParaHoxozoa | [Taxonomy; edit] | |
| Clade: | Bilateria | [Taxonomy; edit] | |
| Clade: | Nephrozoa | [Taxonomy; edit] | |
| Superphylum: | Deuterostomia | [Taxonomy; edit] | |
| Clade: | Ambulacraria | [Taxonomy; edit] | |
| Phylum: | Echinodermata | [Taxonomy; edit] | |
| Subphylum: | Asterozoa | [Taxonomy; edit] | |
| Class: | Asteroidea | [Taxonomy; edit] | |
| Superorder: | Forcipulatacea | [Taxonomy; edit] | |
| Order: | Forcipulatida | [Taxonomy; edit] | |
| Family: | †Terminasteridae | [Taxonomy; edit] | |
| Genus: | †Alkaidia | [Taxonomy; edit] | |
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| Parent: | Terminasteridae [Taxonomy; edit]
|
| Rank: | genus (displays as Genus)
|
| Link: | †Alkaidia
|
| Extinct: | yes
|
| Always displayed: | yes (major rank) |
| Taxonomic references: | Gale, Andy S.; Jagt, John W.M. (2021-06-23). "The fossil record of the family Benthopectinidae (Echinodermata, Asteroidea), a reappraisal". European Journal of Taxonomy. 755: 149–190. doi:10.5852/ejt.2021.755.1405. ISSN 2118-9773. |
| Parent's taxonomic references: | Gale, Andrew Scott (April 2011). "The phylogeny of post-Palaeozoic Asteroidea (Neoasteroidea, Echinodermata)". The Palaeontological Association London Special Papers in Palaeontology. 85 (85): 1–112. |