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Echinoderms



ISBN 9789061912286
Published May 31, 1982 by CRC Press
572 Pages

 
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Book Description

This volume contains abstracts of all papers presented at the International Echinoderms Conferences, and complete papers of those which were submitted for publication and accepted upon recommendation of referees.

Table of Contents

Behavior 1. Feeding habits of sea star Astropecten marginatus in Golfo Triste, Venezuela 2. Feeding and some aspects of the gut structure in the spatangoid echinoid, Echinocardium cordatum (Pennant) 3. The arm-coiling response of Amphipholis squamata (Delle Chiaje) 4. Functional morphology of the clypeasteroid Echinocyamus pusillus 5. The feeding biology of Ophioderma brevispinum (Ophiuroidea: Echinodermata) 6. Feeding rates of Lytechinus variegatus Lamarck (Echinodermata: Echinoidea) on differing physiognomies of an artificial food of uniform composition 7. Suspension feeding by Caribbean comatulid crinoids 8. Effects of secondary metabolites from marine macrophytes on feeding by Lytechinus variegatus (Lamarck) 9. Food composition and feeding behavior of sympatric species of comatulid crinoids from the Palau Islands (Western Pacific) 10. The feeding mechanism of the sand dollar Echinarachnius parma (Lamarck) 11. Chemoreception by the asteroid Crossaster papposus (L.) 12. Photosensitivity of Diadema antillarum: Does it show scototaxis? Skeletal structures and the body wall 13. Functional morphology of a holothurian autotomy plane and its role in evisceration 14. Skeletal deformations in the sea-urchin Tripneustes gratilla (L) under pollution conditions in the Gulf of Elat, Red Sea 15. Differential growth in Tripneustes gratilla (Echinoidea) 16. Variable ligaments and imbricate plates in echinoderm skeletons 17. New x-ray diffraction techniques for calcite crystal orientation in echinoids 18. Nervous system and regeneration in the starfish Asterina gibbosa; histofluorescent study and biochemical assay of catecholamines 19. Scanning electron microscope observations of sea urchin coronal plates 20. Rapid and reversible changes in stiffness of echinoderm connective tissues Paleontology 21. The completeness of the echinoderm fossil record 22. The cornute and mitrate controversy — A review and commentary 23. Affinities of Cymbionites and the Haplozoa 24. Structure and function in cyclocystoids — An echinoderm conundrum 25. What is Bolboporites? 26. Implications of two fossil arbaciids (Echinoidea, Arbaciidae) from the Pliocene of northern Chile 27. A Silurian crinoid assemblage from Gotland, Sweden Evolution and systematics 28. Recognition of higher taxa and phylogeny of the Asteroidea 29. Lanterns of Jurassic echinoids and their phylogenetic implications 30. Pedicellariae in classification of echinoids 31. Classification and the holothurian tentacle 32. Fossil evidence on the relationship of chordates to echinoderms 33. Reappraisal of class Eocrinoidea (Echinodermata) 34. The evolution of Pentremites (Blastoidea) and Carboniferous crinoid community succession 35. Evolution of arm structure in the early Mississippian crinoid Cydrocrinus 36. Holectypoid echinoids and their classification 37. Paedomorphosis, convergence, and the systematics of some extant crinoids 38. On Tremaster verrill, 1879, an odd genus of recent starfish (Echinodermata: Asteroidea) 39. Studies of genetically controlled phenotypic characters in laboratory-reared Lytechinus variegatus (Lamarck) (Echinodermata: Echinoidea) from Bermuda and Florida 40. Morphological and electrophoretic analyses of Caribbean comatulid crinoid populations 41. Morphological and isozymal variation in the sea-star Asterias forbesi 42. Enzyme electrophoresis and taxonomy of two species of Asterina (Asteroidea) 43. Genetic variability in deep-sea holothurians 44. Isozyme variation and genetic differentiation in the decorator sea urchin, Lytechinus variegatus (Lamarck, 1816) 45. Free amino acid concentration of pyloric caeca and gonads of some sea-stars 46. DNA base sequence complexity of echinothuroid sea urchins 47. Molecular phylogeny of sea stars Zoogeography 48. Temperature barriers to the distribution of seastar species in southern New England (Georges Bank), Northwest Atlantic 49. The echinoderm fauna of the continental shelf of the east and central Gulf of Mexico 50. A zoogeographical study of the echinoderm fauna of the continental shelf of China 51. The distributions of Tasmanian echinoderms in relation to southern Australian biogeographic provinces Ecology 52. Invertebrates associated with echinoderms from the west coast of Florida with special reference to harpacticoid copepods 53. Lift, drag and camber in the northern sand dollar, Echinarachnius parma 54. Substrate preference and distribution of the northern sand dollar, Echinarachnius parma (Lamarck) 55. Effects of Arbacia lixula (L.) (Echinoidea) on the algal communities of Graciosa Island (Azores-Portugal) 56. Comparative aspects of algal-sea urchin interactions in boreal and tropical waters 57. Resource partition by four species of sea urchins in coastal belts of Macrocystis pyrifera in southern Chile 58. Sea urchins and Macrocysn‘s pyrifera: Experimental test of their ecological relations in southern Chile 59. Do sea urchins and abalones compete in California kelp forest communities? 60. Community responses to sea urchin removal in an urchin-battens area in the southern Gulf of Maine 61. Fish predation and recruitment of echinoderms in a seagrass meadow 62. Adaptations of Strongylocentrotus droebachiensis for survival on barren grounds in Nova Scotia 63. Morphology of a sea urchin front (Strongylocentrotus droebachiensis) at the Isles of Shoals, N.H. 64. Intraspecific competition by Centrostephanus coronatus (Echinoidea: Diadematidae) as a mechanism of partitioning habitat space 65. Population structure, prey and food preference of Cosmasterias lurida in southern Chile 66. Differences in body size and growth rate between morphs of Echinaster (Echinodermata: Asteroidea) from the eastern Gulf of Mexico 67. Habitats, feeding, and growth of the basketstar Astrophyton muricatum 68. Growth strategies in deep-sea ophiuroids 69. Numerical and caloric densities of ophiuroids and holothuroids (Echinodermata) from Kerguelen (South Indian Ocean) and Banyuls (Mediterranean Sea) 70. The population biology and ecology of Parastichopus parvimensis, a deposit feeding holothurian 71. Distribution of Holothuria Ientiginosa enodis Miller and Pawson in relation to a deep-water Oculina coral reef off Fort Pierce, Florida (Echinodermata: Holothuroidea) 72. Population structure of three sympatric ophiuroids (Ophiopholis aculeata, Ophiura robusta, Axiognathus squamata) from subtidal habitats at the Isles of Shoals, N.H. 73. Changes in density and distribution of sea urchins in Bermuda: Natural fluctuations or anthropogenic decrease? 74. Estimates of partial mortality for eight species of brittle-stars 75. Asteroid populations as environmental indicators 76. Ophiuroid discs in stingray stomachs: Evasive autotomy or partial consumption of prey? Physiology 77. Interaction of heavy metals with intestinal transport mechanisms in echinoderms 78. Support of metabolism of superficial structures through direct net uptake of dissolved primary amines in echinoderms 79. The number and origin of the coelomocytes in the perivisceral fluid of the starfish Asterias rubens L. 80. Leukocytes of the sea star Dermasterias imbricata 81. Metabolic accommodation to salinity acclimation by Leptasterias hexactis 82. Further observations on the penetration of brackish waters by Ophiura albida (Forbes) 83. Effect of decreased salinity on levels of glycine in the pyloric caeca and tube feet of Luidia clathrata (Say) (Asteroidea) 84. Patterns of nitrogen excretion in four species of echinoderms as a function of salinity 85. Regeneration of the optic cushion in the tropical intertidal asteroid, Nepanthia belcheri (Perrier) 86. Glycogen in holothuroids living in subantarctic and temperate waters 87. A computer model simulating body and gonad growth of a sand dollar, Mellita quinquiesperforata 88. Orthonectid parasitism: Effects on the ophiuroid, Amphipholis squamara 89. The neurophysiology of photosensitivity in ophiuroids 90. The anatomical basis of integratory mechanisms in echinoderms 91. Oxygen consumption in two shallow-water comatulid crinoids 92. Respiratory electron transport activity in tissues (Echinodermata) 93. Seasonal changes of respiration, nitrogen and phosphorus excretion and of cytoplasmic enzymes specific activities in four echinoderms from the Sea of Japan 94. Enzymatic response to low temperature in the sea star Echinaster sp. 95. Modification of the gut contents in the digestive tract of abyssal holothurians Reproduction 96. Gametogenic cycles in deep-sea phanerozoan asteroids from the N.E.Atlantic 97. Contrasting reproductive patterns among brittle stars from Monterey Bay, California 98. Reproductive cycle and biometric relations in a population of Actinopyga echinites (Echinodermata: Holothuroidea) from the lagoon of New Caledonia, western tropical Pacific 99. Reproductive periodicities of Echinostrephus molaris and Echinostrephus aciculatus (Echinoidea) 100. Brooding behavior and reproductive biology of a subtidal Puget Sound sea cucumber, Cucumaria lubrica (Clark, 1901) (Echinodermata: Holothuroidea) 101. An annual reproductive and nutritional cycle of the European sea urchin Echinus esculentus in the Plymouth area 102. The effect of food and temperature on reproduction in Luidia clathrata (Asteroidea) 103. Birth by the viviparous holothuroid Pachythyone rubra (Clark, 1901) 104. Spawning behavior of the aspidochirote holothurian Holothuria mexicana Ludwig 105. Spawning and functional morphology of the reproductive system in the ophiuroid, Hemipholis elongata (Say) 106. Mechanisms causing size changes in the pyloric caeca of Asterias rubens during the reproductive cycle 107. Steroids, their metabolism and effects on vitellogenesis in the seastar Asterias rubens 108. Gametogenesis, aboral ring, axial complex, tube feet of an echinoid 109. Pigment cells in the jelly coat of sand dollar eggs 110. The activities of hydrolases in ova and sperm of starfishes Developmental biology 111. Development of the brittle-star, Amphipholis japonica Matsumoto 112. Development of the sea-star, Luidia quinaria von Martens 113. Genesis and movement of mesenchyme cells in embryos of the starfish Pisaster ochraceus 114. Echinoid metamorphosis: retraction and resorption of larval tissues 115. Development and larval behavior in the feather star Florometra serratissima (A.H.Clark) 116. Factors influencing the expression of reversed bilateral asymetry in the sea urchin, Arbacia punctulata 117. Interactions between adult and embryonic tissues during brooding in Axiognathus squamata (Echinodermata, Ophiuroidea) 118. The effect of ferrous sulfate and sodium hypochlorite on fertilization and development of Echinometra lucunter 119. Parechinus angulosus (Leske) (Echinidae, Parechininae) — Its possible uses for routine water quality bioassay

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