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THE LARVAL DEVELOPMENT OF POLYONYX QUADRIUNGULATUS GLASSELL AND PACHYCHELES RUDIS STIMPSON (DECAPODA, PORCELLANIDAE) CULTURED IN THE LABORATORY BY MARGARET D. KNIGHT Scripps Institution of Oceanography, University of California, La Jolla, California, U.S.A. INTRODUCTION The conspicuous larvae of Porcellana have long been recognized but within the family Porcellanidae, the larvae of only a few species have been identified and described by hatching from the egg. Porcellana platychele.r (Pennant) and Pi.ridia 10ngicorniJ (L.) were so described by Lebour (1943), Pi.ridia bluteli (Risso) by Bourdillon-Casanova (1956) and P. iyaaequali.r (Heller) by Gurney (1938). The larvae of two species of Petroli.rthe.r have also been identified, P. armatus (Gibbes) by Lebour (1943, 1950) and P. ru f e.rcen.r (Heller) by Gohar & Al-Kholy (1957). Although Forss & Coffin ( 1960) successfully cultured Petroli.rthe.r ey°iomeru.r Stimpson from egg to post-larva, descriptions of the larva and its developmental stages are not given. The most thorough investigation of the life history of larvae of the family remains that of Lebour (1943) who described the developmental stages of Porcellana platycheleJ and Pi.ridia longicorni.r by holding larvae from the plankton through one molt in the laboratory after identification of the first zoea by hatching. The larvae of Polyonyx gibbe.ri
Crustaceana – Brill
Published: Jan 1, 1966
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