Porifera. http://en.wikipedia.org/wiki/Grantia
Grantia compressa was created in 1780.
No.
There are many features that distinguish grantia as an animal. The main feature is locomotion which is a key feature for animals.
3
It's asymmetrical.
Grantia belong to the class Calcarea, a class of marine sponges characterized by their calcareous (calcium carbonate) spicules. They are filter feeders that are commonly found in shallow coastal waters.
The thing that is special about these cells is in fact, nothing. hahahahahah
upright
Porifera are sponges.
they curl up
phylum porifera are sponges.