Bilateria
E104795
Bilateria is a major animal clade characterized by bilateral symmetry and three germ layers, encompassing most familiar animal groups including both protostomes and deuterostomes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bilateria canonical | 17 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
animal clade
ⓘ
clade ⓘ taxon ⓘ |
| domain |
Eukarya
ⓘ
surface form:
Eukaryota
|
| embryologicalFeature |
development of a through-gut in many lineages
ⓘ
formation of mesoderm ⓘ gastrulation producing three germ layers ⓘ |
| evolutionaryAge | appeared in the late Precambrian or early Cambrian ⓘ |
| excludes |
Cnidaria
ⓘ
Ctenophora ⓘ Placozoa ⓘ Porifera ⓘ |
| fossilEvidence | trace fossils from Ediacaran and early Cambrian ⓘ |
| hasCharacteristic |
antero-posterior body axis
ⓘ
bilateral symmetry ⓘ bilaterally symmetric larvae or adults ⓘ cephalization in many members ⓘ complex nervous system in many groups ⓘ dorso-ventral body axis ⓘ left-right body axis ⓘ mesoderm-derived muscles ⓘ organized tissues and organs ⓘ three germ layers ⓘ triploblastic organization ⓘ usually complete digestive tract ⓘ |
| hasCommonName | bilaterians ⓘ |
| hasLatinName | Bilateria self-link ⓘ |
| higherClassification |
Eumetazoa
ⓘ
Metazoa ⓘ |
| includes |
Annelida
ⓘ
Arthropoda ⓘ Chordata ⓘ Deuterostomia ⓘ Ecdysozoa ⓘ Echinodermata ⓘ Hemichordata ⓘ Lophotrochozoa ⓘ Mollusca ⓘ Nematoda ⓘ Platyhelminthes ⓘ Protostomia ⓘ |
| includesMost |
familiar animal groups
ⓘ
macroscopic animal species ⓘ |
| kingdom | Animalia ⓘ |
| sisterGroup | Cnidaria ⓘ |
| subdivision |
Deuterostomia
ⓘ
Protostomia ⓘ |
| taxonRank |
clade
ⓘ
subkingdom ⓘ |
| typicalBodyPlan |
bilateral symmetry with distinct head and tail ends
ⓘ
three germ layers: ectoderm mesoderm endoderm ⓘ |
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.