Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Arthrodira> ?p ?o }
- Arthrodira abstract "Arthrodira is an order of extinct armoured, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction, surviving for about 50 million years and penetrating most marine ecological niches.Greek for \"jointed neck\", the arthrodires had movable joint between armor surrounding the head and body. The mouth is interesting because as the lower jaw moved down, the head shield moved, allowing for a large opening. Lacking distinct teeth, like all placoderms, they used the sharpened edges of a bony plate as a biting surface. The eye sockets are protected by a bony ring, a feature shared by birds and some ichthyosaurs. Early arthrodires, such as the genus Arctolepis, were well-armoured fishes with flattened bodies. The largest member of this group, Dunkleosteus, was a true superpredator of the latest Devonian period, reaching 3 to as much as 9 m in length. In contrast, the long-nosed Rolfosteus measured just 15 cm. A common misconception is the arthrodires (along with all other placoderms) were sluggish bottom-dwellers that were outcompeted by more advanced fish. Leading to this misconception is that the arthrodire body plan remained relatively conserved (that is, the majority of arthrodires were bullet- or torpedo-shaped) during the Devonian period, save for increasing in size. However, during their reign, the arthrodires were one of the most diverse and numerically successful, if not the most successful, vertebrate orders of the Devonian, occupying a vast spectrum of roles from apex predator to detritus-nibbling bottom dweller. Despite their success, the arthrodires were one of many groups eliminated by the environmental catastrophes of the Late Devonian extinction, allowing other fish such as sharks to diversify into the vacated ecological niches during the Carboniferous period.".
- Arthrodira thumbnail Dunkleosteus_BW.jpg?width=300.
- Arthrodira wikiPageExternalLink showgenera.php?taxon=564&rank=class.
- Arthrodira wikiPageExternalLink Arthrodira_1.htm.
- Arthrodira wikiPageExternalLink 060.100.html.
- Arthrodira wikiPageID "3616279".
- Arthrodira wikiPageLength "23537".
- Arthrodira wikiPageOutDegree "249".
- Arthrodira wikiPageRevisionID "697744270".
- Arthrodira wikiPageWikiLink Actinolepidae.
- Arthrodira wikiPageWikiLink Actinolepina.
- Arthrodira wikiPageWikiLink Actinolepis_magna.
- Arthrodira wikiPageWikiLink Actinolepis_spinosa.
- Arthrodira wikiPageWikiLink Actinolepis_tuberculata.
- Arthrodira wikiPageWikiLink Aethaspis_major.
- Arthrodira wikiPageWikiLink Aethaspis_utahensis.
- Arthrodira wikiPageWikiLink Africanaspis.
- Arthrodira wikiPageWikiLink Antarctaspis_mcmurdoensis.
- Arthrodira wikiPageWikiLink Antarctolepis.
- Arthrodira wikiPageWikiLink Antineosteus_lehmani.
- Arthrodira wikiPageWikiLink Apex_predator.
- Arthrodira wikiPageWikiLink Arctaspidae.
- Arthrodira wikiPageWikiLink Arctolepidae.
- Arthrodira wikiPageWikiLink Arctolepis.
- Arthrodira wikiPageWikiLink Arctolepis_decipiens.
- Arthrodira wikiPageWikiLink Arctonema.
- Arthrodira wikiPageWikiLink Arenipiscis.
- Arthrodira wikiPageWikiLink Armour.
- Arthrodira wikiPageWikiLink Aspidichthys.
- Arthrodira wikiPageWikiLink Aspinothoracidi.
- Arthrodira wikiPageWikiLink Atlantidosteus.
- Arthrodira wikiPageWikiLink Basal_(phylogenetics).
- Arthrodira wikiPageWikiLink Belemnacanthus.
- Arthrodira wikiPageWikiLink Belosteus.
- Arthrodira wikiPageWikiLink Benthic_zone.
- Arthrodira wikiPageWikiLink Body_plan.
- Arthrodira wikiPageWikiLink Bollandaspis_woschmidti.
- Arthrodira wikiPageWikiLink Brachydeiridae.
- Arthrodira wikiPageWikiLink Brachydeiroidea.
- Arthrodira wikiPageWikiLink Brachydeirus.
- Arthrodira wikiPageWikiLink Brachyosteus.
- Arthrodira wikiPageWikiLink Brachythoraci.
- Arthrodira wikiPageWikiLink Braunosteus.
- Arthrodira wikiPageWikiLink Bruntonichthys.
- Arthrodira wikiPageWikiLink Bryantolepis_brachycephalus.
- Arthrodira wikiPageWikiLink Buchanosteidae.
- Arthrodira wikiPageWikiLink Buchanosteus.
- Arthrodira wikiPageWikiLink Buchanosteus_confertituberculatus.
- Arthrodira wikiPageWikiLink Bullerichthys.
- Arthrodira wikiPageWikiLink Bullet.
- Arthrodira wikiPageWikiLink Bungartiidae.
- Arthrodira wikiPageWikiLink Bungartius.
- Arthrodira wikiPageWikiLink Burrinijucosteus.
- Arthrodira wikiPageWikiLink Callognathus.
- Arthrodira wikiPageWikiLink Camuropiscidae.
- Arthrodira wikiPageWikiLink Camuropiscis.
- Arthrodira wikiPageWikiLink Carboniferous.
- Arthrodira wikiPageWikiLink Carolowilhelmina.
- Arthrodira wikiPageWikiLink Category:Arthrodires.
- Arthrodira wikiPageWikiLink Category:Articles_which_contain_graphical_timelines.
- Arthrodira wikiPageWikiLink Category:Prehistoric_fish_orders.
- Arthrodira wikiPageWikiLink Cladogram.
- Arthrodira wikiPageWikiLink Coccosteidae.
- Arthrodira wikiPageWikiLink Coccosteina.
- Arthrodira wikiPageWikiLink Coccosteoidea.
- Arthrodira wikiPageWikiLink Coccosteus_cuspidatus.
- Arthrodira wikiPageWikiLink Copanognathus.
- Arthrodira wikiPageWikiLink Cosmacanthus.
- Arthrodira wikiPageWikiLink Cyrtosteus.
- Arthrodira wikiPageWikiLink Deirosteus.
- Arthrodira wikiPageWikiLink Detritus.
- Arthrodira wikiPageWikiLink Deveonema.
- Arthrodira wikiPageWikiLink Devonian.
- Arthrodira wikiPageWikiLink Dicksonosteus_arcticus.
- Arthrodira wikiPageWikiLink Dinichthyloidea.
- Arthrodira wikiPageWikiLink Dinichthys.
- Arthrodira wikiPageWikiLink Dinomylostoma.
- Arthrodira wikiPageWikiLink Diplognathus.
- Arthrodira wikiPageWikiLink Dunkleosteidae.
- Arthrodira wikiPageWikiLink Dunkleosteoidea.
- Arthrodira wikiPageWikiLink Dunkleosteus.
- Arthrodira wikiPageWikiLink Eastmanosteus.
- Arthrodira wikiPageWikiLink Ecological_niche.
- Arthrodira wikiPageWikiLink Eldenosteus.
- Arthrodira wikiPageWikiLink Enseosteus.
- Arthrodira wikiPageWikiLink Errolosteus.
- Arthrodira wikiPageWikiLink Erromenosteus.
- Arthrodira wikiPageWikiLink Eskimaspis.
- Arthrodira wikiPageWikiLink Eurycaraspis.
- Arthrodira wikiPageWikiLink Fallacosteus.
- Arthrodira wikiPageWikiLink Famennian.
- Arthrodira wikiPageWikiLink Frasnian.
- Arthrodira wikiPageWikiLink Gemuendenaspidae.
- Arthrodira wikiPageWikiLink Gemuendenaspis.
- Arthrodira wikiPageWikiLink Gemuendenaspoidea.
- Arthrodira wikiPageWikiLink Givetian.
- Arthrodira wikiPageWikiLink Glyptaspis.
- Arthrodira wikiPageWikiLink Goodradigbeeon.
- Arthrodira wikiPageWikiLink Gorgonichthys.
- Arthrodira wikiPageWikiLink Grazosteus.