Claim: Streptococcus belongs to a phylum which has a cell wall structure.
Evidence: Streptococcus is a genus of coccus -LRB- spherical -RRB- Gram-positive bacteria belonging to the phylum Firmicutes and the order Lactobacillales -LRB- lactic acid bacteria -RRB-.
The Firmicutes -LRB- Latin : firmus , strong , and cutis , skin , referring to the cell wall -RRB- are a phylum of bacteria , most of which have Gram-positive cell wall structure.