Mizzia (English spelling)

Japanese: ミッチア（英語表記）Mizzia

A calcareous alga of the Chlorophyte family, M. velebitana, which flourished in the warm, extremely shallow waters of the Tethys Ocean during the Permian Period of the Paleozoic Era, and is one of the representative extinct genera. The type species M. velebitana is found in the Velebit Mountains of Yugoslavia. It has a morphology similar to that of the extant genus M. velebitana, with spherical internodes connected in a string. Regular vegetative branches grow around a vertical central axis, and calcium carbonate is deposited between the branches. The gametosacs were not formed at the ends of the branches as in M. velebitana, and were probably located inside the central axis.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

古生代二畳紀にテチス海域の暖かい極浅海部で栄えた，緑藻植物カサノリ科の石灰藻で，絶滅属の代表の一つ。模式種M.velebitanaはユーゴのベレビト山地産。球型の節間部が数珠つなぎにつながって立つという，現生のウスガサネ属に似た形態をもつ。垂直にたつ中軸のまわりには規則正しい栄養体の枝が輪生して，枝の間に炭酸カルシウムが沈着する。配偶子囊はウスガサネのように枝の先端部にできずに，たぶん中軸のなかにあったらしい。

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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