Its taxonomic class is: Loamy-skeletal, mixed, superactive, frigid Oxyaquic Hapludalfs.

Synapsids ('fused arch'), is a taxonomic class of tetrapods.

Hydrozoa (hydrozoans) are a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most living in saltwater.

Gastropods as the largest taxonomic class of the mollusca are very diverse indeed: the group includes carnivores, herbivores, scavengers, filter feeders, and even parasites.

The phylum is typically divided into 9 or 10 taxonomic classes, of which two are entirely extinct.

The reproductive system of gastropods (slugs and snails) varies greatly from one group to another within this very large and diverse taxonomic class of animals.

Discomycetes is a former taxonomic class of Ascomycete fungi which contains all of the cup, sponge, brain, and some club-like fungi.

Thus instead of Reptilia as a taxonomic class, today most experts use Class Sauropsida (which includes all reptiles and birds, living and extinct).

The Gastropoda or gastropods, more commonly known as snails and slugs, are a large taxonomic class within the phylum Mollusca.

Bacilli refers to a taxonomic class of bacteria.