Small, colonial coral belonging to the subclass Tabulata, found in the Upper Cambrian rocks in Kazakhstan. With Bijasibirica (a doubtful stony coral) it marks the appearance of an important group of reef-forming organisms.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。