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・ Angaria formosa
・ Angaria javanica
・ Angaria melanacantha
・ Angaria neglecta
・ Angaria nhatrangensis
・ Angaria nodosa
・ Angaria poppei
・ Angaria rugosa
・ Angaria sphaerula
・ Angaria tribe
・ Angaria turpini
・ Angaria tyria
・ Angaria vicdani
・ Angaria, Jhalokhati
・ Angaria, Patuakhali
Angarichthys
・ Angarioidea
・ Angariones
・ Angarkha
・ Angarki Sankashti Chaturthi
・ Angarn
・ Angarn Church
・ Angarnsjöängen
・ Angarocaris
・ Angaroceras
・ Angarogyrus
・ Angarotipula
・ Angarpathar
・ Angarrack
・ Angarrack viaduct


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Angarichthys : ウィキペディア英語版
Angarichthys

''Angarichthys hyperboreus'' is an extinct homostiid arthrodire placoderm from the Middle Devonian (either upper Eifelian or lower Givetian) of Siberia. It is known from an infragnathal plate, an intero-lateral plate, and a marginal plate found from the Middle Devonian strata of the Tynep Series formation, near the Bakhta River. ''A. hyperboreus'' differs from ''Homosteus'' in that the former's marginal plate has a ridge where the central plate would have overlapped it,〔 and in the infragnathal, which is curved sigmoidally, and bears at least seven tooth-like prongs nearer to the functional anterior end (the plate, which is fragmentary, suggests that the intact plate would have born several more).〔
The living animal would have been fairly large, as the head shield is estimated to be at least 40 centimeters long.〔
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Angarichthys」の詳細全文を読む



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