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Taxon:
Family †
Amphiaspidae
(fish)
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Entity:
[†Heterostraci] (Order) - heterostracans
..[†Astraspidae] (Family)
..[†Ceraspidae] (Family)
..[†Corvaspidae] (Family)
..[†Cyathaspidae] (Family)
..[†Drepanaspidae] (Family)
..†Palaeodus (Genus)
..[†Pteraspidae] (Family)
..[†Amphiaspidae] (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Agnatha
-
(Order)
Heterostraci
Current position
†
Heterostraci
(Order)
Lankester, 1868
Ref:
R.L. Carroll, 1988
: App. (p. 595).
Historical positions
†
Heterostraci
(Order)
Lankester, 1868
Ref:
R.L. Carroll, 1988
: App. (p. 595).
Number of Subtaxa
1988
R.L. Carroll
: 595
[; †23g]
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026