Animal systematics and taxonomy provide the fundamental framework for understanding the immense diversity of animal life. By integrating traditional morphological evaluation with modern molecular ...

Up until quite recently, the animal phylum Placozoa enjoyed a unique position in animal systematics. It was the only phylum to which only a single species had ever been assigned: Trichoplax adhaerens.

Current issues are now on the Chicago Journals website. Read the latest issue.The Quarterly Review of Biology (QRB) has presented insightful historical, philosophical, and technical treatments of ...

All placozoans are superficially identical. But comparative genomic data reveals the presence of different genera. This is the first time that a new animal genus has been defined solely by genomics.