Bing found the following results
Classification of Animals: The Complete Guide - A-Z Animals
Taxonomic rank - Wikipedia
Animal Classification: A Taxonomy for All Living Things
Types of Animals: Classes, Species, Categories and More - Leafy …
6 Basic Animal Groups - ThoughtCo
List of animal classes - Wikipedia
Animal Classification For Kids And Students: How We Make …
12.8: Classifying Animals - Biology LibreTexts
10.2: Animal Classification - Biology LibreTexts
Animal - Classification, Taxonomy, Phylogeny | Britannica