habroderes
From ZooTerms (Dictionary of Invertebrate Zoology)
habroderes (noun, plural; Greek habros, graceful; deire, neck): (Kinorhyncha) In Echinoderidae, the fourth juvenile stage to adulthood in which the midterminal spine is missing, and a series of molts results in the loss of posterior middorsal spines until the adult complement is reached.
