Literature DB >> 21680417

A fungal analog for newfoundland ediacaran fossils?

Kevin J Peterson1, Ben Waggoner, James W Hagadorn.   

Abstract

We propose that some of the more conspicuous Ediacaran fossils from the Avalon Peninsula of Newfoundland, including Aspidella, Charnia, and Charniodiscus, were biologically similar to members of the Kingdom Fungi. These organisms were multicellular or multinuclear, lived below the photic zone, could not move or defoul themselves, did not exhibit taphonomic shrinkage, and were not transported or moved. Aspidella, in particular, appears to exhibit indeterminate growth without a maximum size constraint, and appears to show growth zonations similar to modern mycelia. Other fossils from this deposit exhibit a fractal-like growth pattern. Together, these features falsify algal, lichen, and metazoan interpretations of these fossils, yet reflect characteristics of modern fungal mycelia. We emphasize that although no Mistaken Point fossil appears to be a metazoan, not all of the Mistaken Point taxa, and not all of the Ediacaran organisms in general, can reasonably be interpreted using a fungal analogy. Furthermore, the hypothesis that these fossils were functionally fungus-like need not imply that the organisms were members of the crown-group Fungi. We propose further tests for evaluating both this functional hypothesis and the phylogenetic hypothesis that these organisms were members of the total-group Fungi.

Entities:  

Year:  2003        PMID: 21680417     DOI: 10.1093/icb/43.1.127

Source DB:  PubMed          Journal:  Integr Comp Biol        ISSN: 1540-7063            Impact factor:   3.326


  7 in total

1.  Reconstructing the reproductive mode of an Ediacaran macro-organism.

Authors:  Emily G Mitchell; Charlotte G Kenchington; Alexander G Liu; Jack J Matthews; Nicholas J Butterfield
Journal:  Nature       Date:  2015-08-03       Impact factor: 49.962

2.  A uniquely preserved Ediacaran fossil with direct evidence for a quilted bodyplan.

Authors:  Shuhai Xiao; Bing Shen; Chuanming Zhou; Guwei Xie; Xunlai Yuan
Journal:  Proc Natl Acad Sci U S A       Date:  2005-07-12       Impact factor: 11.205

Review 3.  Darwin's dilemma: the realities of the Cambrian 'explosion'.

Authors:  Simon Conway Morris
Journal:  Philos Trans R Soc Lond B Biol Sci       Date:  2006-06-29       Impact factor: 6.237

4.  The advent of animals: The view from the Ediacaran.

Authors:  Mary L Droser; James G Gehling
Journal:  Proc Natl Acad Sci U S A       Date:  2015-04-20       Impact factor: 11.205

5.  Saproamanita, a new name for both Lepidella E.-J. Gilbert and Aspidella E.-J. Gilbert (Amaniteae, Amanitaceae).

Authors:  Scott A Redhead; Alfredo Vizzini; Dennis C Drehmel; Marco Contu
Journal:  IMA Fungus       Date:  2016-06-01       Impact factor: 3.515

6.  Cryptic Disc Structures Resembling Ediacaran Discoidal Fossils from the Lower Silurian Hellefjord Schist, Arctic Norway.

Authors:  Christopher L Kirkland; Breandán A MacGabhann; Brian L Kirkland; J Stephen Daly
Journal:  PLoS One       Date:  2016-10-26       Impact factor: 3.240

7.  Ediacaran developmental biology.

Authors:  Frances S Dunn; Alexander G Liu; Philip C J Donoghue
Journal:  Biol Rev Camb Philos Soc       Date:  2017-11-03
  7 in total

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