…Osteostracans have fossils dating from the late Silurian to the late Devonian. The Swedish paleontologist EAStensiö used unique techniques to study this genus, providing detailed descriptions of its brain, nervous system, and other features, making it the most fully understood of all the jawless genus. The head is covered with bony plates, and the ventral surface has a rounded area covered with small scales. … *Some of the terminology explanations that mention "Stensiö, EA" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…骨甲類はシルル紀の後期からデボン紀後期に至るまで化石を残している。スウェーデンの古生物学者ステンシエE.A.Stensiöが独特な手法によりこの類を研究し,脳,神経系などを詳細に記載したため,無顎類の中では最もよく構造がわかっている。頭部は骨板で覆われ,その腹面には小さなうろこによって覆われたまるい部分がある。… ※「Stensiö,E.A.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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