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Taxon:
Family
Toxasteridae
Lambert, 1920
(echinoderm)
Taxa
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Hierarchy
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Entity:
Amphisternata (Suborder)
..Aeropsidae (Family)
..Asterostomatidae (Family)
..Brissidae (Family)
..Hemiasteridae (Family)
..Loveniidae (Family)
..Palaeostomatidae (Family)
..Pericosmidae (Family)
..Schizasteridae (Family)
..Spatangidae (Family)
..Toxasteridae (Family)
....Isopatagus (Genus)
....†Toxaster (Genus)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Echinodermata
-
(Class)
Echinoidea
-
(Order)
Spatangoida
Current position
Amphisternata
(Suborder)
Ref:
F.J. Fell, 1982
: 812.
Alternative positions
Spatangoida
(Order)
L. Agassiz, 1840
Ref:
B. Grzimek, 1973-1975
Historical positions
Amphisternata
(Suborder)
Ref:
F.J. Fell, 1982
: 812.
Aphisternata
(Suborder)
Ref:
S.P. Parker, 1982
: 1113.
[misplaced]
Number of Subtaxa
2024
Available in Systema Naturae 2000
1g;1s; †1g
1989-present
Systema Naturae 2000
[1g;1s]
1982
F.J. Fell
: 812
[1g;1s]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024