A monophyletic Pancrustacea has been supported by several molecular studies, in most of which the subphylum Crustacea is paraphyletic with regard to insects ( that is, that insects are derived from crustacean ancestors ).
42.
Taxonomists place lampreys and hagfish in the subphylum Vertebrata of the phylum Chordata, which also includes the invertebrate subphyla Tunicata ( sea-squirts ) and the fish-like Cephalochordata ( lancelets or Amphioxus ).
43.
As on land and in the air, invertebrates make up a great majority of all macroscopic life, as the vertebrates makes up a subphylum of one of over 30 known animal phyla, making the term almost meaningless for taxonomic purpose.
44.
"P . annularis " is classified as part of the kingdom Animalia, the phylum Arthropoda, the subphylum Hexapoda, the class Insecta, the order Hymenoptera, the suborder Aculeata, the superfamily Vespoidea, and the family Vespidae.
45.
A "'tunicate "'is a marine invertebrate animal, a member of the subphylum "'Tunicata "', which is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords.
46.
Hagfish are considered members of the subphylum Vertebrata, because they secondarily lost vertebrae; before this event was inferred from molecular and developmental data, the group Craniata was created by Linnaeus ( and is still sometimes used as a strictly morphological descriptor ) to reference hagfish plus vertebrates.
47.
Only nematodes, crustaceans, and mites are likely to have global populations of similar magnitude, and each of those groups except mites is more inclusive : though taxonomic rank cannot be used for absolute comparisons, it is notable that nematodes are a phylum and crustaceans a subphylum.
48.
*I can't get behind the paywall, but what they are discussing is not traditional ranks like phylum or intermediate ranks like subphylum, but clades that were found not to fit in the traditional Radiate versus Bilateria dichotomy, and the Protostome versus Deuterostome dichotomy of the eucoelomate bilaterians.
49.
Its subphylum Hexapoda indicates it has six feet; the order Hymenoptera includes ants, bees, wasps, and sawflies; the Aculeata include ants, bees, and stinging wasps in particular; the Vespoidea include yellow jackets, hornets, paper wasps, potter wasps, mason wasps, and pollen wasps.
50.
Johannes Lukas ( 1937 ) likewise described a " Bua-Gruppe " consisting of Bua, Niellim, and Koke, and in Joseph Greenberg's 1963 classification " The Languages of Africa ", the three languages were placed together in the Adamawa subphylum as a group named Adamawa-13.
