Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Arthropod head problem — The arthropod head problem is a long standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups, and how they are evolutionarily related to each other. While the dispute has historically centered … Wikipedia
velvet worm — ▪ invertebrate phylum any of about 70 wormlike species of ancient, terrestrial invertebrates with short, thick legs and a dry, velveteen body. Onychophorans range in size from 14 to 150 mm (about 0.6 to 6 inches) and are found in rainforests.… … Universalium
Arthropod — Temporal range: 540–0 Ma … Wikipedia
Onychophora — Temporal range: 40–0 Ma … Wikipedia
Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… … Wikipedia
Opabinia — Temporal range: Middle Cambrian … Wikipedia
Donald I. Williamson — This article is about the British scientist. For the Louisiana politician, see Don W. Williamson. For the Michigan politician, see Don Williamson. Donald Irving Williamson is a British planktologist and carcinologist, born 8 January 1922, Alnham … Wikipedia
Euonychophora — Stummelfüßer Stummelfüßer in der Region Bay of Plenty im Norden der neuseeländischen Nordinsel Systematik Unterreich … Deutsch Wikipedia
Krallenträger — Stummelfüßer Stummelfüßer in der Region Bay of Plenty im Norden der neuseeländischen Nordinsel Systematik Unterreich … Deutsch Wikipedia
Ontonychophora — Stummelfüßer Stummelfüßer in der Region Bay of Plenty im Norden der neuseeländischen Nordinsel Systematik Unterreich … Deutsch Wikipedia
