Rugoconites (original) (raw)
La rugoconite (gen. Rugoconites) è un enigmatico organismo estinto, vissuto nel Proterozoico superiore (Ediacarano, circa 550 milioni di anni fa). I suoi resti sono stati ritrovati in vari giacimenti risalenti all'Ediacarano, in particolare in Australia e in Russia.
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| dbo:abstract | Rugoconites is a genus of Ediacaran biota found as fossils in the form of a circular or oval-like impression preserved in high relief, six or more centimeters in diameter. The fossils are surrounded by frills that have been interpreted (Wade 1972) as sets of tentacles. The bifurcating radial ribs, spreading from a central dome, serve to distinguish this genus from the sponge Palaeophragmodictya, and may represent the channels of the gastrovascular system. Fossils of Rugoconites have been interpreted as early sponges, although this is countered by Sepkoski et al. (2002), who interpreted the organism as a free-swimming jellyfish-like cnidarian; similar to Ovatoscutum. However, the fossil is consistently preserved as a neat circular form and its general morphology does not vary, therefore a benthic and perhaps slow-moving or sessile lifestyle is more likely. Ivantstov & Fedonkin (2002), suggest that Rugoconites may possess tri-radial symmetry and be a member of the Trilobozoa. Rugoconites have been reported in clusters; this may represent a social/colonial way of life, or simply accumulation by the action of currents, sea-floor processes, or possibly preservational conditions. The Rugoconites genus may contain two species: Rugoconites enigmaticus and Rugoconites tenuirugosus, the latter being less dome-shaped and having smaller and more numerous radial ridges than the former. However, due to the dubious nature of R. tenuirugosus, its taxonomy is still unclear, and it has been suggested that a new genus named Wadea should be erected for ''R." tenuirugosus. In 1966, Martin Glaessner along with Mary Wade unearthed the external mould of a form which possessed a small central disc that had eleven radiating lobes from its centre that they named Lorenzinites rarus. This form was also compared to the top of some Rugoconites specimens. The fossil of Lorenzinites rarus was, however, reconsidered to be a Rugoconites enigmaticus specimen despite his original observations and placed it along with the genus in the synonymy of Rugoconites. The genus was then forgotten about and needs further examination. (en) La rugoconite (gen. Rugoconites) è un enigmatico organismo estinto, vissuto nel Proterozoico superiore (Ediacarano, circa 550 milioni di anni fa). I suoi resti sono stati ritrovati in vari giacimenti risalenti all'Ediacarano, in particolare in Australia e in Russia. (it) |
| dbo:thumbnail | wiki-commons:Special:FilePath/Rugoconites.jpg?width=300 |
| dbo:wikiPageExternalLink | http://www.yuzonakano-secretmemory.com/life3.c.html http://paleodb.org/cgi-bin/bridge.pl%3Faction=checkTaxonInfo&taxon_no=4703%7Ctitle=The http://jpaleontol.geoscienceworld.org/cgi/content/abstract/70/2/185 http://gsa.confex.com/gsa/2007AM/finalprogram/abstract_131751.htm |
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| dbo:wikiPageRevisionID | 1119079058 (xsd:integer) |
| dbo:wikiPageWikiLink | dbc:Enigmatic_prehistoric_animal_genera dbr:List_of_Ediacaran_genera dbr:Taphonomy dbr:Mary_Wade dbr:Gastrovascular_cavity dbr:Genus dbr:1992_in_paleontology dbr:Cnidaria dbc:Species_described_in_1966 dbc:Species_described_in_1992 dbr:Symmetry_in_biology dbr:Ovatoscutum dbr:1966_in_paleontology dbr:1972_in_paleontology dbr:Trilobozoa dbr:Ediacaran dbr:Ediacaran_biota dbr:Fossils dbc:Ediacaran dbr:Palaeophragmodictya dbr:Mary_Julia_Wade dbc:Ediacaran_life dbc:Trilobozoa dbr:Jack_Sepkoski dbr:Tentacle dbr:Martin_Glaessner dbr:Bulletins_of_American_Paleontology dbr:Sponge dbr:Mikhail_Fedonkin dbr:Type_species dbr:Mary_Wade_(Paleontologist) dbr:File:Rugoconites.png |
| dbp:authority | (Glaessner & Wade 1966) (en) |
| dbp:fossilRange | dbr:Ediacaran |
| dbp:imageCaption | Reconstruction of Rugoconites, an extinct organism (en) |
| dbp:subdivision | * R. enigmaticus (Glaessner & Wade 1966) * R. tenuirugosus (Wade 1972) (en) |
| dbp:subdivisionRanks | Species (en) |
| dbp:synonyms | *Lorenzinites (Glaessner & Wade 1966) *Wadea (Jenkins 1992) (en) |
| dbp:taxon | Rugoconites (en) |
| dbp:wikiPageUsesTemplate | dbt:Automatic_taxobox dbt:Cite_journal dbt:Cite_web dbt:More_footnotes dbt:Reflist dbt:Short_description dbt:Taxonbar |
| dcterms:subject | dbc:Enigmatic_prehistoric_animal_genera dbc:Species_described_in_1966 dbc:Species_described_in_1992 dbc:Ediacaran dbc:Ediacaran_life dbc:Trilobozoa |
| gold:hypernym | dbr:Member |
| rdf:type | dbo:Person |
| rdfs:comment | La rugoconite (gen. Rugoconites) è un enigmatico organismo estinto, vissuto nel Proterozoico superiore (Ediacarano, circa 550 milioni di anni fa). I suoi resti sono stati ritrovati in vari giacimenti risalenti all'Ediacarano, in particolare in Australia e in Russia. (it) Rugoconites is a genus of Ediacaran biota found as fossils in the form of a circular or oval-like impression preserved in high relief, six or more centimeters in diameter. The fossils are surrounded by frills that have been interpreted (Wade 1972) as sets of tentacles. The bifurcating radial ribs, spreading from a central dome, serve to distinguish this genus from the sponge Palaeophragmodictya, and may represent the channels of the gastrovascular system. Fossils of Rugoconites have been interpreted as early sponges, although this is countered by Sepkoski et al. (2002), who interpreted the organism as a free-swimming jellyfish-like cnidarian; similar to Ovatoscutum. However, the fossil is consistently preserved as a neat circular form and its general morphology does not vary, therefore a b (en) |
| rdfs:label | Rugoconites (it) Rugoconites (en) |
| owl:sameAs | freebase:Rugoconites wikidata:Rugoconites dbpedia-it:Rugoconites https://global.dbpedia.org/id/3eCYi |
| prov:wasDerivedFrom | wikipedia-en:Rugoconites?oldid=1119079058&ns=0 |
| foaf:depiction | wiki-commons:Special:FilePath/Rugoconites.jpg wiki-commons:Special:FilePath/Rugoconites.png |
| foaf:isPrimaryTopicOf | wikipedia-en:Rugoconites |
| is dbo:wikiPageRedirects of | dbr:Lorenzinites_rarus dbr:Rugoconites_enigmaticus dbr:Rugoconites_tenuirugosus dbr:Lorenzinites |
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| is foaf:primaryTopic of | wikipedia-en:Rugoconites |
