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Stem group:
Phylum †
Procoelomata
Bergström, 1989
(invertebrate)
Taxa
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Entity:
[Bilateria] ([unranked]) - bilaterians
..[Acoelomata]
..[Acoelomorpha] ([unranked])
..[bryozoans]
..[Coelomata]
..[Deuterostomia] (Superphylum) - deuterostomes
..[Dicyemida] (Phylum) - dicyemids
..[ecdysozoans]
..[Eubilateria]
..[flatworms]
..[lophotrochozoans]
..[Mesozoa] (Phylum)
..[Protornaeozoa]
..[Pseudocoelomata]
..[Xenacoelomorpha] ([unranked])
..[†Procoelomata] (Phylum)
Basic information
Status
:
fossil
Paleontology
Period
:
Early Cambrian
-
Questionably Carboniferous
Ref:
: 25 Jul 2009.
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024