This is an incomplete question as it lacks the option which are:
Platyhelminthes
Mollusca
Porifera
Arthropoda
Nematoda
Answer:
The correct answer will be option- Arthropods
Explanation:
A phylum is the taxonomic ranking of the Hierarchical system of classification which shares a set of features which can distinguish them from organisms of another phylum.
The Phylum Arthropoda is named so because it contains the animals with jointed legs. The animals possess hard exoskeleton and segmented bodies.
Since the characteristics of the given species are similar to the characteristics of the arthropods like jointed legs on the basis of which the phylum is named therefore Arthropods is the correct answer.