Buchanosteus: Difference between revisions

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{{Short description|Extinct genus of fishes}}
{{italic title}}{{Taxobox
{{Automatic taxobox
| fossil_range = {{Fossil range|Pragian|Emsian}}
| image =
| image = Buchanosteus confertituberculatus.jpg
| image_caption =
| image_caption = ''Buchanosteus confertituberculatus''
| regnum = [[Animal]]ia
| phylumtaxon = [[Chordata]]Buchanosteus
| genus_authorityauthority = [[Erik Stensiö|Stensiö]], 1945
| classis = †[[Placodermi]]
| ordo = [[Arthrodira]]
| familia = [[Buchanosteidae]]
| familia_authority = White, 1952
| genus = '''''Buchanosteus'''''
| genus_authority = [[Erik Stensiö|Stensiö]], 1945
| type_species = ''Phlyctaenaspis australis'' var. ''confertituberculata''
| type_species_authority = Chapman, 1916
| subdivision_ranks = Species
| subdivision =
*''B.Buchanosteus confertituberculatus'' <small>(Chapman, 1916)</small>
*''B.Buchanosteus guangxiensis'' <small>[[Wang Junqing|Wang, 2005]]</small>
*''B.Buchanosteus nuricus'' <small>Mark-Kurik, 2004</small>
}}
 
'''''Buchanosteus''''' is an extinct genus of [[arthrodire]] [[placoderm]]. Its fossils have been found in Early [[EmsianDevonian]]-[[Epoch (geology)|aged]] marine strata throughout [[Asia]] and [[Australia]]. It contains the following species:
*''Buchanosteus confertituberculatus'', the type species, is known from several specimens found from the Emsian-aged Taemas-Weejasper Reef in what is now [[New South Wales]], Australia. It coexisted [[sympatric]]ally with other buchanosteid genera there.
*''Buchanosteus guangxianensis'' is known primarily from a well-preserved, albeit incomplete endocranium from Pragian-aged deposits near Guangxi, China. It is compared to another buchanosteid, the "giant" ''[[Exutaspis]]'' from the late Emsian Wuding Formation in Yunnan.
*''Buchanosteus nuricus'' is known from one or two specimens from Emsian strata in the Qaranghandy Region in Kazakhstan, and named for the [[Nura River]]. Is very similar in anatomy to ''B. confertituberculatus''
 
==References==
{{reflistReflist}}
 
{{PlacodermiArthrodira|Ar.}}
{{portal|Paleontology}}
{{Taxonbar|from=Q16848312}}
 
[[Category:ArthrodiresBuchanosteidae]]
[[Category:PrehistoricArthrodire fish of Asiagenera]]
[[Category:Prehistoric fishPlacoderms of AustraliaAsia]]
[[Category:Placoderms of Australia]]
 
{{Placodermi|Ar.}}
 
{{Placoderm-stub}}