INDEX 6S7 invertebrates (continued) palaeoecology 2:320 polymorphism 2:313 punctuated equilibrium 1:268-269, 1:271 f radiations 1:272 f reproduction 2:312 skeletons 2:314 Triassic 3:349f, 3:350 Carboniferous 4:210 cephalopods 2:389-396 background information 2:389 classification Actinoceratids 2:391f, 2:392 background information 2:390 Belemnoidea 2:392, 2:393f, 2:394f Coleoidea 2:392 Decabrachia 2:394, 2:395f Endoceratids 2:392 Nautiloidea 2:391, 2:391f Nautiloids 2:392, 2:396 Octobrachia 2:394, 2:395f Orthoceratids 2:392 Devonian 4:194 ecological structures 1:262t Jurassic 2:389f, 3:357 morphology 2:389, 2:390f Silurian 4:191 stratigraphic ranges 2:389f chitinozoans (Chitinozoa) 3:428-440 applications biostratigraphy 3:434 palaeobiogeography 3:439 palaeoenvironments 3:438, 3:439f biological affinity 3:432 carbon isotopic ratios 3:439 classification Conochitinidae 3:430, 3:431 f, 3:435f Desmochitinidae 3:430, 3:431/", 3:435f Lagenochitinidae 3:430, 3:431/", 3:435f Operculatifera 3:430 Ordovician 3:430 Prosomatifera 3:430 evolutionary trends 3:434 extraction methods 3:473 intervesicle adjustments 3:429, 3:430f Margachitina 3:434 morphology 3:428, 3:429f, 3:435f, 3:436f palynology 3:468 Pterochitina 3:434 Silurian 4:191 structure 3:428 vesicle linkages 3:43 Of Cnidarians anatomy 2:321, 2:321f Anthozoa anatomy 2:324f classification 2:321 life cycle 2:322f Phanerozoic 2:323 Carboniferous 4:212 classification Anthozoa 2:321 Ceriantipatharia 2:323-324 Hydroconozoa 2:321 Hydrozoa 2:321 Octocorallia 2:323-324 Scyphozoa 2:321 Zoantharia 2:323-324 corals 2:321-334 anatomy 2:324/", 2:326f classification 2:324, 2:325f comparative features 2:332? Cretaceous 3:367, 3:367f Cretaceous-Tertiary (K-T) boundary 3:379, 3:380f Devonian 4:198 ecology 2:329, 2:331f Eocene 5:469 Florida-Bahamas shelf region 4:506f, 4:507 glossary information 2:332 Jurassic 3:356 life cycle 2:322f Miocene 5:482 north-eastern Atlantic Ocean 4:512f, 4:512-513 Ordovician 4:179 Palaeocene 5:462 palaeoecology 2:329, 2:33If Phanerozoic 2:323 reef environments 4:562 Rugosa 2:324, 2:325/", 2:326f, 2:328f, 2:330, 2:331f Scleractinia 2:324, 2:325f, 2:326f, 2:327f, 2:329, 2:330f, 2:331f, 3:356 structure 2:327 symbioses 4:146 Tabulata 2:324, 2:325f, 2:329f, 2:330, 2:331f taxonomy 2:327 Triassic 3:348f, 3:350 Hydrozoa anatomy 2:321f classification 2:321 life cycle 2:322f Phanerozoic 2:322 Precambrian 2:321, 2:323f Scyphozoa classification 2:321 life cycle 2:322f Phanerozoic 2:323 crustaceans (Crustacea) 1:277f^ 1:278, 3:357 diatoms biogenic silica 4:500, 4:556, 5:52 Cretaceous 3:366, 3:366f deep-ocean pelagic deposits 4:646?, 5:72f, 5:74f, 5:75, 5:75t extraction methods 3:473 forensic geology 2:270-271, 2:272f lacustrine deposits 4:556 Oligocene 5:476 siliceous sediments 5:35 dinoflagellates Cretaceous 3:366, 3:366f Cretaceous-Tertiary (K-T) boundary 3:378, 3:378f extraction methods 3:473 Jurassic 3:356 Palaeocene 5:462 echinoderms 2:334-341 Ambulararia 2:335 Cambrian 4:171 characteristics 2:334 Cretaceous 3:367, 3:367f Cretaceous-Tertiary (K-T) boundary 3:379, 3:380f Crinoidea 2:342-350 Aethocrinea 2:344-345, 2:347f Aethocrinus moorei 2:346, 2:346f anatomy 2:342 anoxic environments 2:349 arms 2:343/", 2:344, 2:345f Articulata 2:344-345 calyx 2:343/i 2:344 Camerata 2:344-345, 2:347f Carboniferous 4:212 Cladida 2:344-345, 2:347f columnal articulations 2:342-344, 2:343f Disparida 2:344-345, 2:347f ecological structures l:262t ecology 2:348 encrinite 2:348-349, 2:349f end-Permian extinctions 4:220 evolution 2:355, 2:347f feeding position 2:348f Flexibilia 2:344-345, 2:347f Jurassic 3:358 morphology 2:342 P entacrinites fossilis 2:345f phylogenetic relationships 2:347f pseudoplanktonic crinoids 2:349 stratigraphic distribution 2:347f taphonomy 2:348 Triassic 3:348f, 3:349f, 3:350 Deuterostoma 2:335 Echinodermata Asteroidea 2:335, 2:336f carpoids 2:335, 2:336f Crinoidea 2:335, 2:336f Echinoidea 2:335, 2:336f Holothuroidea 2:335, 2:336/~, 2:355 Ophiuroidea 2:335, 2:336f echinoids 2:350-356 Arbacioida 2:352/", 2:355, 2:356f burrowing 2:354 Cassiduloida 2:355, 2:356f Cidaroida 2:351f, 2:355, 2:356f classification 2:355 Clypeasteroida 2:352f, 2:355, 2:356/", 5:469 Diadematoida 2:355, 2:356f Echinoida 2:352f, 2:355, 2:356f Echinothurioida 2:355, 2:356f ecological structures 1:262t