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Taxon:
Subclass †
Osteostraci
Lankester, 1868
(fish)
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Hierarchy
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Entity:
[†Cephalaspidomorphi] (Class)
..[†Atelaspidiformes] (Order)
..[†Birkeniiformes] (Order)
..[†Cephalaspidoformes] (Order)
..[†Galeaspidiformes] (Order)
..[†Osteostraci] (Subclass)
Authorship
Original name
:
Lankester, 1868. ["
Cephalaspides
"].
Variants
Current rank
:
†
Osteostraci
(Class)
Lankester, 1868
Ref:
R. van der Laan, 2018
: 22.
[inferred]
Synonyms
Synonymous name
:
†
Cephalaspides
(Subclass)
Ref:
L.B. Halstead, 1993
: 577.
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Last updated:
21 Sep 2025