Onychophora

Animal Cell - ... future comes to pass. Scientific classification Kingdom: Animalia Phyla Subkingdom Parazoa     Porifera (sponges) Subkingdom "Agnotozoa"       Placozoa       Orthonectida       Rhombozoa Subkingdom Metazoa   "Radiata"       Cnidaria       Ctenophora (comb jellies)   Bilateria    Protostomia       Acoelomorpha       Platyhelminthes (flatworms)       Nemertina (ribbon worms)       Gastrotricha       Gnathostomulida (jawed worms)       Gastrotricha       Gnathostomulida (jawed worms)       Annelida (segmented worms)       Tardigrada (water bears)       Onychophora (velvet worms)       Arthropoda (insects, etc)       Phoronida       Ectoprocta (moss animals)       Brachiopoda    Deuterostomia       Echinodermata       Chaetognatha (arrow worms)       Cycliophora       Mollusca (mollusks)       Sipuncula (peanut worms)       Cycliophora       Mollusca (mollusks)       Sipuncula (peanut worms)       Hemichordata (acorn worms)       Tardigrada (water bears)       Onychophora (velvet worms)       Tardigrada (water bears)       Onychophora (velvet worms)       Hemichordata (acorn worms)       Cycliophora       Mollusca (mollusks)       Sipuncula (peanut worms)       Chordata (vertebrates, etc) Animals are generally considered to have evolved from flagellate protozoa. For personal use only. Titles in the biopharmaceutical industry, a completely new chapter on training ...

Arthropods - ... Jerome Goddard, Physician's Guide to Arthropods of Medical Importance Instar - An instar is a developmental stage of arthropods, such as insects, between each molt. Because of the external chitinous skeleton, arthropods must shed the exoskeleton in order to grow or assume a new form. Velvet worm - Onychophora (also called velvet worms) are segmented, caterpillar-like, terrestrial animals somewhat resembling both arthropods and annelid worms. They are generally regarded either as a class of arthropods or as a separate phylum (in which case they are the only animal phylum to include no marine species ...