Ammocetes (amose tez)

[NL., Gr. άμμος, sand (see ammite), + κοίτη, a bed, eyes and by a semicircular mouth. During the period of this stage the animal lives in the sand of river-beds. This simple lamprey larva... was generally described as a peculiar form of fish under the name of Ammocætes . By a further metamorphosis this blind and toothle Am mocætes is transformed into the lamprey with eyes and Haeckel, Evol. of Man (trans.), II. 104. teeth. (b) A genus of which the Ammocætes branchial is is the young, which is distinguished from Petromyzon by the differentiation of the discal and peripheral teeth and the crescent i form dentated lingual teeth of the adult. ammocœtid (am-o-sēʼtid), п. One of the Am mocœtid a; an ammocœte.