Boreskov

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PP‐63for almost all discs. Radial units look like fine straight bands along the fossils; they aresometimes combined and spread out to form root‐like appendages. Concentric unitsresemble thin or wide strips bounded by fine circular bands; elastic membranes whichseparated the adjacent areas of different pressure seem to be the structural element in thiscase. It is clear that a configuration of the attachment disc depends on the disposition ofstructural units and on the type of the growth. For example, if the concentric membranesdominate the construction the attachment becomes similar to disc more or less flattened;the prevailing radial units, on the other hand, look like root‐like outgrowths (A. Seilacher(2001) described the two similar morphospaces of concretions such as Liesegang rings anddendrites). Besides of the two morphospaces, quite a number of intermediate forms may beexpected. What can we see in fossils? There are common and easily diagnosed morphotypesof Vendian attachment structures: discoidal cyclic forms; flattened forms (e.g. Ediacaria);conical forms with radial outgrowths arranged both in chaotic (e.g. Hiemalora from Siberia)and in regular cyclic (e.g. Eoporpita) patterns; composite forms exhibiting a combination ofsome features of the above three morphotypes (e.g. Palaeophragmodictya and others)(Serezhnikova, 2007, 2010). These morphotypes are not restricted to certain systematicgroups, but rather ethological and ecological categories ― that is, they reflect differentmanners of attachment to or within the substrate. Let's place some morphotypes ofattachments in the matrix with the discoidal forms along the horizontal axis and radial formsalong the vertical one. It is two lines of "pure" forms. The arrangement of the objects shouldbe in hierarchical order, for example, an object of the lower level can be transformed intothe higher level etc. So the following pattern is expected in the line of radial forms: smalldiscs with outgrowths lying in the plane, with outgrowths going through the sediment andspreading out and eventually branching out. The line of discoidal begins from irregularconcentric forms and then ascends to regular zonal ones. Such a pattern for cyclic forms issuggested by M.A. Fedonkin (1985) and Yu.A. Gureev (1987). The members of mean matrixpoints can be selected according to basic features of some attachment discs.As a result of these simple operations, we have a table (matrix) with a number of cellsarranged hierarchically. According to the data table, the most simple and uniform discs occurin the late Neoproterozoic sediments of Newfoundland, Canada, the "middle" forms arefrom the Yudomian of Arctic Siberia and the most complex attachment discs occur in thefossil assemblages from the Ediacaran of Australia and from the Vendian of the White Sea.245
PP‐63Thus there are some morphogenetic (?) trends which can be detected in thedevelopment of attachment discs of Ediacaran (Vendian) sessile benthic organisms. Ingeneral terms they are similar to those of root system in plants although the disc‐bearingPetalonama are often thought to be of cnidarian grade (e.g. Jenkins & Gehling, 1978).Further research on the basis of the above model could improve the use of attachment discsfor biostratigraphy.This work was supported in part by the Russian Foundation of Basic Research, projectsno. 11‐05‐00960, the Scientific School of Academicians B.S. Sokolov and M.A. Fedonkin,project no. NSH‐64541.2010.5 and the Program N P‐15 of the Presidium of RAS.246
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Boreskov Institute of Catalysis of
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INTERNATIONAL SCIENTIFIC COMMITTEEA
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PLENARY LECTURES
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PL‐1first planetesimals (embryos
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PL‐2case the primary Earth substa
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PL‐310. If the high‐carbon rock
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PL‐5ON THE COMPLEXITY OF PRIMORDI
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MICROFOSSILS, BIOMOLECULES AND BIOM
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PL‐8MOLECULAR COLONIES AS A PRE
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PL‐9GENE NETWORKS AND THE EVOLUTI
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EMERGENT LIFE DRINKS ORDERLINESS FR
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PROTOBIOLOGICAL STRUCTURES, PREBIOL
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ORAL PRESENTATIONS
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OP‐1developed a theory of the gre
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OP‐2field of the Sun and the fiel
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OP‐3HOT ABIOGENESIS AND EARLY BIO
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OP‐4acetic acid [5,6], acetonitri
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OP‐6processes. Mentioned above as
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OP‐7polymerization of simple mole
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OP‐9SYNTHESIS OF BIOLOGICALLY IMP
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OP‐11threshold is reached the sel
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OP‐12nanoparticles of polysilicic
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OP‐13We aimed to relate entropy m
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OP‐14gene sequence as about 100 M
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OP‐15of photochemical transformat
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OP‐16modeled by the varying of in
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OP‐17[2]. Mulkidjanian, A. Y., Ko
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OP‐19LIFE ORIGINATION HYDRATE HYP
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OP‐20PREBIOLOGICAL EVOLUTION OF M
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OP‐21The manifestation of this ge
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OP‐22dominated by ostracodes, fir
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OP‐23present as Fe 0 , Fe +2 , an
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PROCARYOTIC ASSEMBLAGES OF EARLY PR
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OP‐26OPTIMIZATION OF STRESS RESPO
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OP‐27LICHENS COULD BE RESPONSIBLE
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OP‐28ROLE OF CYANOBACTERIA FROM D
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OP‐29COMPUTER TOOL FOR MODELING T
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OP‐30EVOLUTION OF TRANSLATION TER
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WHY WE NEED NEW EVIDENCES FOR DEEP
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ENDEMIC GENERA IN LATITUDINAL FAUNI
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OP‐33Taxonomic structure (alpha d
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OP‐34populations of different gas
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OP‐36in the reef frame, thus incr
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OP‐37extracorporeal digestion. Pl
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97OP‐38
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OP‐39one of the major generalized
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OP‐40geological history was favor
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“BUTTERFLY EFFECT” IN PLANETESI
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OP‐44COEVOLUTION OF MAMMALIAN FAU
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FRAMEWORKS OF LIFE ORIGIN RESEARCH
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OP‐45[8]. Lincoln T.A., Joyce G.F
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to run the analysis. Lifeless conde
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the pairs of the “very first” (
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aromatic hydrocarbons (PAHs) and th
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Results: Considering the changes be
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PP‐67ADAPTATION OF THE PYROCOCCUS
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GROWTH OF MICROORGANISMS IN MARTIAN
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2.3. Cellular thalli (or colonies?)
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Under methodical mistakes I mean fi
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A FRACTAL SPATIOTEMPORAL STRUCTURE
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[13]. Gusev, V.A., Arithmetic and a
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ABIOGENIC SELF‐ASSEMBLAGE OF THE
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PP‐2FLUID INCLUSION IN QUARTZ FRO
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PP‐3PALEOZOIC APOCALYPSE: WHAT CA
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PP‐4BIOCHEMICAL REACTION OF EARLY
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PP‐5EDIACARAN SOFT‐BODIED ORGAN
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PP‐6SOFTWARE MODELLER OF EVOLUTIO
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PP‐8THE EARLIEST STEPS OF ORGANIS
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PP‐9MODELING THE CONFIGURATIONS O
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PP‐9Acknowledgement. This work wa
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PP‐10that are much darker (probab
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PP‐12GTF2I DOMAIN: STRUCTURE, EVO
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PP‐13DEEP INSIDE INTO VERTEBRATES
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GENERATION OF MODERN MINERAL‐BIOL
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ADSORPTION OF RIBOSE NUCLEOTIDES ON
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PP‐16cells. Thus, in addition to
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PP‐17organizing photosynthetic pi
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PP‐19YOUNGEST OIL OF PLANET EARTH
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PP‐20MID‐CHAIN BRANCHED MONOMET
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PP‐21BIOMARKER HYDROCARBON COMPOS
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PP‐22BIOMARKER HYDROCARBONS IN KA
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PP‐23EVOLUTION OF TRILOBITE BIOFA
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COMPARATIVE ANALYSIS OF BIOMARKER H
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CYANO‐BACTERIAL MATS OF HOT SPRIN
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PP‐26THE BIOGEOGRAPHICAL EVOLUTIO
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PP‐27MICROBIAL COMMUNITIES OF OIL
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PP‐28MICROEVOLUTIONARY PROCESSES
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BIOGENIC AND ABIOGENIC BIOMORPHIC S
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PP‐29are combine nodules forming
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PP‐30have led to divergence of la
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PP‐31observed in the modern micro
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PP‐32by the ammonite Arctocephali
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PP‐33similarities in their three
Page 196 and 197: PP‐34been formed already in the e
Page 198 and 199: PP‐35The epochs of global cooling
Page 200 and 201: PP‐37MULTIPLE PATHS TO ENCEPHALIZ
Page 202 and 203: PP‐38FIRST MIKROIHNOFOSSILS FIND
Page 204 and 205: PP‐39THE ROLE OF ECHINOIDS IN SHA
Page 206 and 207: PP‐40BIOMARKER HYDROCARBONS OF TH
Page 208 and 209: THE STRUCTURE OF MICROBIAL COMMUNIT
Page 210 and 211: PP‐42Plate 1. Middle Ordovician,
Page 212 and 213: PP‐43ecosystems of large (up to 6
Page 214 and 215: PP‐44expansion goes through 40 °
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Page 218 and 219: SURVIVAL OF HALOPHILES AT DIFFERENT
Page 220 and 221: PP‐47ISOPRENOID BIOMARKERS AND MI
Page 222 and 223: SOME PECULIARITIES IN THE DISTRIBUT
Page 224 and 225: PP‐51EVOLUTION OF INFAUNAL SCAVEN
Page 226 and 227: PP‐52EARLY PROTEROZOIC BIOMORPHIC
Page 228 and 229: PP‐53FROM OFFSHORE TO ONSHORE:A N
Page 230 and 231: PRODUCTS FROM BIRCH BARK FOR TREATI
Page 232 and 233: PP‐55THE STRUCTURE OF MICROBIAL C
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Page 236 and 237: PP‐58EARLY CAMBRIAN EVOLUTION OF
Page 238 and 239: PP‐59matter (OM) of the Kuonamka
Page 240 and 241: PP‐60Fig. 1. Masschromatograms fo
Page 242 and 243: PP‐61multiply. According to prof.
Page 244 and 245: PP‐62investigation of dietary pat
Page 248 and 249: PP‐64BIOMARKERS IN PRECAMBRIAN KA
Page 250 and 251: MICROFOSSILS OF BACTERIAL, MUSHROOM
Page 252 and 253: PP‐66BIOSTRUCTURE OF ASSEMBLAGES
Page 254 and 255: Abramson Natalia IosifovnaZoologica
Page 256 and 257: Gerasimov MikhailSpace Research Ins
Page 258 and 259: Lomakina AnnaLimnological institute
Page 260 and 261: Rogov Vladimir IgorevichTrofimuk In
Page 262 and 263: Zamulina Tatiana VladimirovnaBoresk
Page 264 and 265: PL‐9Kolchanov N.A., Afonnikov D.A
Page 266 and 267: OP‐15Gontareva N.B., Kuzicheva E.
Page 268 and 269: OP‐33Barskov I.S.TAXONOMICAL AND
Page 270 and 271: Nagovitsin K.COMPLEX HETEROTROPHIC
Page 272 and 273: PP‐17.PP‐18.PP‐19.PP‐20.PP
Page 274 and 275: PP‐35.Polishchuk Y.M., Yashchenko
Page 276 and 277: PP‐54.PP‐55.Kuznetsova S.A.PROD
Page 278: III INTERNATIONAL CONFERENCEBIOSPHE
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