bilaterian
C25655
concept
A bilaterian is an animal belonging to the clade Bilateria, characterized by bilateral symmetry, three germ layers, and typically a distinct head and tail end.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| deuterostome | 1 |
| invertebrate | 1 |
Instances (4)
| Instance | Via concept surface |
|---|---|
| Spriggina | — |
|
desmoulin’s whorl snail
surface form:
Desmoulin’s whorl snail
|
invertebrate |
| Acoela | — |
| Vetulicolia | deuterostome |