👉 The term "graptoloidea" refers to a group of animals that are closely related to the ctenophora, which are marine invertebrates. These organisms have a segmented body structure and are found on the surface of water, such as in the aquariums or ponds they inhabit. The graptolites include:
1.
Ctenophores
- these are small, sessile animals that live in the water column and attach to rocks, plants, and other objects.