Ejemplos de uso de phylum
1. The most general classification is kingdom, followed by phylum, class, order, family, genus, species and subspecies.
2. All of the microbes are members of the phylum Firmicutes . One strain dominates, and there are a few others.
3. A study published last winter established that large phylum as unusually ancient –– it was the first branch after the common ancestor of all bacteria, which emerged about 3.5 billion years ago, according to the fossil record.