| dbo:abstract |
Un scolécodonte (Scolodonta) est une pièce maxillaire de vers annélides connue sous forme de microfossiles dans le Paléozoïque. Le géologue et paléontologue britannique George Jennings Hinde (1839-1918) fit de nombreuses études de scolécodontes à partir d'échantillons d'Angleterre, du pays de Galles, du Canada et de Suède établissant une base pour la nomenclature de ce qu'il considérait comme des éléments isolés de mâchoires d'annélides. (fr) A scolecodont is the jaw of a polychaete annelid, a common type of fossil-producing segmented worm useful in invertebrate paleontology. Scolecodonts are common and diverse microfossils, which range from the Cambrian period (around half a billion years ago at the start of the Paleozoic era) to the present. They diversified profusely in the Ordovician, and are most common in the Ordovician, Silurian and Devonian marine deposits of the Paleozoic era. Relatedly, more problematic worm-like fossils have been described in even older, Neoproterozoic era deposits in the Ediacaran Hills of southern Australia and in mid-Cambrian deposits of Burgess shale in British Columbia. Since the other classes of annelids (specifically, the earthworms and leeches) lack hard parts, only the sea-dwelling polychaetes are frequently represented in the fossil record. Polychaetes are commonly fossilized due to their chitinous teeth and their dwelling tubes made of durable calcite (a calcium carbonate), hardened mucus (a.k.a. parchment), and/or chitin-like cement. (en) |
| dbo:thumbnail |
wiki-commons:Special:FilePath/Scolecodont_ramphoprion.png?width=300 |
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http://scolecodonts.graptolite.net http://scolecodonts.net |
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dbr:Calcite dbr:Calcium_carbonate dbr:Cambrian dbr:Extant_taxon dbr:Mucus dbr:Devonian dbr:Annelida dbr:Holocene dbr:Burgess_shale dbr:Dorvilleidae dbr:Earthworm dbr:Invertebrate_paleontology dbr:Saaremaa dbr:Onuphidae dbc:Fossil_record_of_animals dbr:Leech dbc:Microfossils dbr:Chitin dbr:Silurian dbr:Ediacaran dbr:Extinct dbr:Fossil_record dbr:Paleozoic dbr:Fossil dbc:Annelids dbr:Worm dbr:Mesozoic dbr:Microfossil dbr:Neoproterozoic dbr:Ordovician dbr:Oenonidae dbr:Ramphoprionidae dbr:Marine_(ocean) dbr:Polychaeta dbr:George_J._Hinde dbr:Segmented_worm dbr:Symmetroprionidae dbr:Atraktoprionidae dbr:Polychaetaspidae dbr:File:Scolecodont_ramphoprion.png dbr:Hadoprionidae dbr:Kalloprionidae dbr:Mochtyellidae dbr:Paulinitidae dbr:Rhytiprionidae dbr:Skalenoprionidae dbr:Xanioprionidae |
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dbt:Reflist dbt:Short_description |
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dbc:Fossil_record_of_animals dbc:Microfossils dbc:Annelids |
| gold:hypernym |
dbr:Jaw |
| rdf:type |
dbo:Mammal yago:Adult109605289 yago:CausalAgent100007347 yago:Dodo110022908 yago:LivingThing100004258 yago:Object100002684 yago:Oldster110376523 yago:Organism100004475 yago:Person100007846 yago:PhysicalEntity100001930 yago:YagoLegalActor yago:YagoLegalActorGeo yago:Whole100003553 yago:WikicatFossils |
| rdfs:comment |
Un scolécodonte (Scolodonta) est une pièce maxillaire de vers annélides connue sous forme de microfossiles dans le Paléozoïque. Le géologue et paléontologue britannique George Jennings Hinde (1839-1918) fit de nombreuses études de scolécodontes à partir d'échantillons d'Angleterre, du pays de Galles, du Canada et de Suède établissant une base pour la nomenclature de ce qu'il considérait comme des éléments isolés de mâchoires d'annélides. (fr) A scolecodont is the jaw of a polychaete annelid, a common type of fossil-producing segmented worm useful in invertebrate paleontology. Scolecodonts are common and diverse microfossils, which range from the Cambrian period (around half a billion years ago at the start of the Paleozoic era) to the present. They diversified profusely in the Ordovician, and are most common in the Ordovician, Silurian and Devonian marine deposits of the Paleozoic era. (en) |
| rdfs:label |
Scolécodonte (fr) Scolecodont (en) |
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freebase:Scolecodont yago-res:Scolecodont wikidata:Scolecodont dbpedia-et:Scolecodont dbpedia-fr:Scolecodont https://global.dbpedia.org/id/GaqM |
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dbr:Belemnitida dbr:Horizon_Guyot dbr:Megalograptus dbr:Rya_Formation dbr:Eocarcinosoma dbr:George_Jennings_Hinde dbr:Gluteus_minimus_(fossil) dbr:Gravel_Point_Formation dbr:Orcadian_Basin dbr:Waukesha_Biota dbr:Eunicida dbr:2017_in_paleontology dbr:Largest_prehistoric_animals dbr:Polychaete dbr:Microfossil dbr:Scolecodonts |
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