Loading AI tools
来自维基百科,自由的百科全书
顾脱贝属(学名:Kutorgina),又名库脱贝属、古脱贝属、库图贝属,是顾脱贝科下已灭绝的一个属,生存在寒武纪的海洋中。这种早期腕足动物的外壳呈凹凸型,背壳较小、呈碟形,腹壳较大、呈拱形。背壳在背部有一个相当突出的区域,由壳喙弯曲而成。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.