About: Discosorida

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An Entity of Type : umbel-rc:Mollusk, within Data Space : dbpedia.org associated with source document(s)
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Discosorida are an order of cephalopods that lived from the beginning of the Middle Ordovician, through the Silurian, and into the Devonian. Discosorids are unique in the structure and formation of the siphuncle, the tube that runs through and connects the camerae (chambers) in cephalopods, which unlike those in other orders is zoned longitudinally along the segments rather than laterally. Siphuncle structure indicated that the Discosorida evolved directly from the Plectronoceratida rather than through the more developed Ellesmerocerida, as did the other orders. Finally and most diagnostic, discosorids developed a reinforcing, grommet-like structure in the septal opening of the siphuncle known as the bullette, formed by a thickening of the connecting ring as it draped around the folded bac

Attributes	Values
rdf:type	eukaryote yago:WikicatCephalopods yago:Animal100015388 yago:Cephalopod101968315 yago:Invertebrate101905661 yago:LivingThing100004258 yago:Mollusk101940736 yago:Object100002684 yago:Organism100004475 yago:PhysicalEntity100001930 insect yago:Whole100003553 yago:WikicatExtinctMolluscs umbel-rc:Mollusk
rdfs:label	Discosorida (en) Discosorida (it) Discosorida (uk)
rdfs:comment	I Discosorida sono un ordine di molluschi cefalopodi estinti, appartenenti alla sottoclasse Nautiloidea, conosciuti dall'Ordoviciano Medio al Devoniano. Si tratta di un gruppo piuttosto composito e di origine ancora dibattuta. (it) Discosorida are an order of cephalopods that lived from the beginning of the Middle Ordovician, through the Silurian, and into the Devonian. Discosorids are unique in the structure and formation of the siphuncle, the tube that runs through and connects the camerae (chambers) in cephalopods, which unlike those in other orders is zoned longitudinally along the segments rather than laterally. Siphuncle structure indicated that the Discosorida evolved directly from the Plectronoceratida rather than through the more developed Ellesmerocerida, as did the other orders. Finally and most diagnostic, discosorids developed a reinforcing, grommet-like structure in the septal opening of the siphuncle known as the bullette, formed by a thickening of the connecting ring as it draped around the folded bac (en)
dcterms:subject	Discosorida Middle Ordovician first appearances Cephalopod orders Devonian extinctions
Wikipage page ID	10294367 (xsd:integer)
Wikipage revision ID	1020402408 (xsd:integer)
Link from a Wikipage to another Wikipage	Phragmoceratidae Devonian Discosorida Cyrtogomphoceratidae Lowoceratidae Ellesmerocerida Silurian Middle Ordovician first appearances Cephalopod Cephalopod orders Tremadocian Benthic Discosoridae Westonoceratidae Devonian extinctions Plectronocerida Grommet Exogastric Oncocerida Ordovician Mandaloceratidae Siphuncle Reudemannoceratidae Camera (anatomy) Plectronoceratida Bullette
Link from a Wikipage to an external page	http://www.palaeos.org/Discosorida https://web.archive.org/web/20101030155436/http:/www.palaeos.com/Invertebrates/Molluscs/Cyrtosoma/Cephalopoda/Discosorida.html
sameAs	Discosorida Discosorida Discosorida Discosorida Discosorida Discosorida
dbp:wikiPageUsesTemplate	dbt:Automatic_taxobox dbt:Reflist dbt:Short_description dbt:Taxonbar dbt:Fossil_range dbt:Fossil_cephalopods
taxon	Discosorida (en)
has abstract	Discosorida are an order of cephalopods that lived from the beginning of the Middle Ordovician, through the Silurian, and into the Devonian. Discosorids are unique in the structure and formation of the siphuncle, the tube that runs through and connects the camerae (chambers) in cephalopods, which unlike those in other orders is zoned longitudinally along the segments rather than laterally. Siphuncle structure indicated that the Discosorida evolved directly from the Plectronoceratida rather than through the more developed Ellesmerocerida, as did the other orders. Finally and most diagnostic, discosorids developed a reinforcing, grommet-like structure in the septal opening of the siphuncle known as the bullette, formed by a thickening of the connecting ring as it draped around the folded back septal neck. (en) I Discosorida sono un ordine di molluschi cefalopodi estinti, appartenenti alla sottoclasse Nautiloidea, conosciuti dall'Ordoviciano Medio al Devoniano. Si tratta di un gruppo piuttosto composito e di origine ancora dibattuta. (it)
gold:hypernym	Order
prov:wasDerivedFrom	wikipedia-en:Discosorida?oldid=1020402408&ns=0
page length (characters) of wiki page	5459 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Discosorida
is Link from a Wikipage to another Wikipage of	Mesoceras Phragmoceratidae Sinclairoceras 2022 in paleomalacology Antigyroceras Apocrinoceratidae Cyrtogomphoceratidae List of mollusc orders Lowoceratidae Ellesmerocerida Multiceratoidea 2012 in molluscan paleontology Franklinoceras Hemiphragmoceratidae Cephalopod Hecatoceras Katageioceras Landeroceras Lavaloceras Septum (cephalopod) Discosoridae Discosorus Kadaroceras Karadzharoceras Kiaeroceras Konglungenoceras Jaregoceras Tarphycerida

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