Bilateria (/ˌbaɪləˈtɪəriə/ BY-lə-TEER-ee-ə) is a large clade or infrakingdom of animals called bilaterians (/ˌbaɪləˈtɪəriən/ BY-lə-TEER-ee-ən), characterized...

known as ethology. Most living animal species belong to the infrakingdom Bilateria, a highly proliferative clade whose members have a bilaterally symmetric...

classification of Lynn Margulis and K. V. Schwartz, comprising the Radiata and Bilateria – all animals except the sponges. When treated as a formal taxon Eumetazoa...

Together with the Deuterostomia and Xenacoelomorpha, these form the clade Bilateria, animals with bilateral symmetry, anteroposterior axis and three germ...

ParaHoxozoa (or Parahoxozoa) is a clade of animals that consists of Bilateria, Placozoa, and Cnidaria. The relationship of Parahoxozoa relative to the...

Diploblasts: Ctenophora, ParaHoxozoa ParaHoxozoa: Placozoa, Cnidaria, Bilateria/Triploblast Bilateria: Xenacoelomorpha, Nephrozoa Nephrozoa: Protostomes, Deuterostomes...

with their outgroup Xenacoelomorpha, constitute the large infrakingdom Bilateria, i.e. animals with bilateral symmetry and three germ layers. Initially...

kind and kinships, especially with nemertodermatids and xenoturbellids (Bilateria incertae sedis)". Organisms, Diversity & Evolution. 13 (2): 267–286. doi:10...

and the HOX genes of two species, were more similar to those of the Bilateria. The discovery that Buddenbrockia plumatellae, a worm-like parasite of...

closely related: in fact, they represent widely separated branches of the Bilateria, as shown on the phylogenetic tree; their lineages split hundreds of millions...