Origin and Early Evolution of the MetazoaJere H. Lipps, Philip W. Signor Several years ago, we realized that the most prominent ideas that had been ex pressed about the origin and early evolution of the Metazoa seemed to have been developed chiefly by zoologists using evidence from modern species without reference to the fossil record. Paleontologists had, in fact, put forth their own ideas but the zoological and the paleontological evidence were about the problem, seldom considered together, especially by zoologists. We believed that the paleon tological documentation of the first Metazoa was too scattered, too obscure to Western readers, and much of it too recent to have been readily available to our colleagues in zoology. Whether or not that was entirely true, we thought that a single volume reviewing the fossil record of the earliest Metazoa would be useful to many in both paleontology and zoology, especially since so much new informa tion has been developed in the last few years. Some of this information has been summarized in general articles recently, but an overview of most of the field does not exist. We therefore organized this book in five parts so that the evidence could be placed in perspective and summarized and inferences made from it. Part I intro duces the previous hypotheses that have been proposed for the origin and early radiation of Metazoa. Part II consists of two summary chapters that set the sedi mentological, geochemical, and biological background to the known radiations of Metazoa. |
Contents
3 | |
III | 4 |
IV | 5 |
V | 9 |
VI | 11 |
VII | 17 |
VIII | 18 |
IX | 25 |
LX | 312 |
LXII | 313 |
LXIII | 329 |
LXIV | 331 |
335 | |
LXVII | 336 |
LXVIII | 337 |
LXIX | 341 |
27 | |
XI | 28 |
XII | 45 |
XIII | 46 |
XIV | 49 |
53 | |
XVIII | 54 |
XIX | 63 |
XX | 76 |
XXI | 78 |
XXII | 85 |
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XXIV | 88 |
XXV | 92 |
XXVI | 94 |
XXVII | 118 |
XXVIII | 124 |
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XXX | 133 |
XXXI | 136 |
XXXII | 142 |
XXXIII | 146 |
XXXIV | 147 |
XXXV | 152 |
XXXVI | 170 |
XXXVII | 171 |
177 | |
XXXIX | 178 |
XL | 180 |
XLI | 189 |
XLII | 198 |
XLIII | 199 |
XLV | 203 |
205 | |
XLVII | 206 |
XLVIII | 217 |
XLIX | 245 |
L | 262 |
LI | 266 |
283 | |
LIII | 285 |
LV | 286 |
LVI | 302 |
LVII | 304 |
LVIII | 305 |
311 | |
LXX | 343 |
LXXI | 350 |
LXXII | 351 |
LXXIII | 366 |
LXXIV | 369 |
375 | |
LXXVI | 380 |
LXXVIII | 384 |
LXXIX | 387 |
LXXX | 389 |
LXXXI | 390 |
LXXXII | 394 |
LXXXIII | 395 |
399 | |
LXXXV | 401 |
LXXXVI | 403 |
LXXXVII | 411 |
LXXXVIII | 420 |
LXXXIX | 422 |
425 | |
XCI | 426 |
XCII | 433 |
XCIII | 439 |
XCIV | 445 |
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448 | |
XCVII | 449 |
XCVIII | 456 |
XCIX | 468 |
C | 470 |
473 | |
483 | |
CIII | 484 |
CIV | 489 |
CV | 506 |
CVI | 514 |
CVII | 515 |
525 | |
CIX | 527 |
CX | 529 |
CXI | 533 |
CXII | 543 |
CXIII | 547 |
CXIV | 548 |
555 | |
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Common terms and phrases
acritarchs Akad algae animals appear appendages Archaeocyatha archaeocyaths arthropods assemblage Atdabanian Basin Bengtson Biostratigraphy body plans Botomian brachiopods Brasier Burgess Shale burrows calcareous carbonate China clades coelom Conway Morris correlation Debrenne deposits diversification diversity Early Cambrian echinoderms Ediacaran eocrinoids evidence evolution evolutionary facies fauna Fedonkin Formation forms fossil record genera Geol Geological Glaessner groups hyoliths invertebrates isotopic Late Precambrian Late Proterozoic Lethaia limestones lithofacies lophophore Lower Cambrian margin metazoan Middle Cambrian Missarzhevsky Mongolia morphological Narbonne Nauk SSSR Nauka occur organisms origin oxygen Paleontol Paleontology Paleozoic pattern Phanerozoic phosphatic phyla phylum plates Precambrian Precambrian-Cambrian boundary preserved primitive problematic Proterozoic Qian radiation Rozanov Runnegar Russian sclerites sections sediments Seilacher sequence shell Siberian Platform skeletal skeletons small shelly fossils soft-bodied Sokolov South Australia southeastern Newfoundland species specimens Stage strata stratigraphic structure Sysoiev taxa tion Tommotian tommotiids trace fossils trilobites tubes upper USSR Vendian western Zhuravleva Zone
Popular passages
Page ii - Volume 9 TAPHONOMY Releasing the Data Locked in the Fossil Record Edited by Peter A. Allison and Derek EG Briggs Volume 10 ORIGIN AND EARLY EVOLUTION OF THE METAZOA Edited by Jere H.