Bilaterians
Temporal range: Ediacaran– Present, 560–0 Ma[1]
PreЄ
Є
O
S
D
C
P
T
J
Pg
N
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Diversity o bilaterians.
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Scientific classification
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Kinrick:
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Animalia
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Subkinrick:
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Eumetazoa
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Clade:
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ParaHoxozoa
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Clade:
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Bilateria Hatschek, 1888
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Phyla
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- Proarticulata †
- Xenacoelomorpha
- Nephrozoa:
- Superphylum Deuterostomia
- Chordata
- Saccorhytida †
- Ambulacraria (unranked)
- Protostomia (unranked)
- Superphylum Ecdysozoa
- Cycloneuralia (unranked)
- Scalidophora (unranked)
- Kinorhyncha
- Loricifera
- Priapulida
- Nematoida (unranked)
- Panarthropoda (unranked)
- Spiralia (unranked)
- Chaetognatha
- Mesozoa (unranked)
- Superphylum Platyzoa
- Superphylum Lophotrochozoa
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Synonyms
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Triploblasts Lankester, 1873
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The bilateria are aw animals havin a bilateral symmetry, i.e. thay hae a front anda back end, as well as an upside an dounside.