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Monotypic taxon:
Family †
Longisquamidae
Sharov, 1970
(dinosaur)
Taxa
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Entity:
..†Megalancosauridae (Family)
..†Longisquamidae (Family)
....†Longisquama (Genus)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Sauropsida
-
(Order)
Basitheropoda
Subsequent positions
†
Basitheropoda
(Order)
Olshevsky, 1991
Ref:
G. Olshevsky, 1991
: 103.
Current position
†
Basitheropoda
(Order)
Olshevsky, 1991
Ref:
G. Olshevsky, 1991
: 103.
[
new position
]
Historical positions
†
Basitheropoda
(Order)
Olshevsky, 1991
Ref:
G. Olshevsky, 1991
: 103.
[
new position
]
Number of Subtaxa
2026
Available in Systema Naturae 2000
†1g
1989-present
Systema Naturae 2000
: 4 Nov 2025
[; †1g]
1991
G. Olshevsky
: 103
†1g;1s
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026