| 1. | phylum Firmicutes, a name now used for the largest group.
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| 2. | Porifera is an extant phylum within the fitness of the organism.
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| 3. | The position of hagfish in the phylum Chordata is not settled.
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| 4. | "Oesophagostomum " is part of the phylum Nematoda.
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| 5. | Tardigrades form the phylum Tardigrada, part of the superphylum Ecdysozoa.
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| 6. | Phylum members can be anaerobic and fall under two distinct phenotypes.
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| 7. | The phylum Arthropoda contains numerous taxonomic orders in over 20 classes.
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| 8. | Further evolution of this phylum has been estimated to have occurred about.
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| 9. | All medusa-producing species belong to the sub-phylum Medusozoa.
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| 10. | Chytridiomycetes is the major class of the phylum parasitic species.
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