1) Tutcheria
石笔木属
1.
The systematic positions of these three genera Pyrenaria,Tutcheria and Parapvrenaria have been studied in this paper based on these data of mopohology, embryology,palynology and anatomy.
）、石笔木属（ＴｕｌｃｈｅｒｉａＤｕｎｎ）和拟核果茶属（ＰａｒａｐｙｒｅｎａｒｉａＨ。
2) Tutcheria spectabilis
石笔木
1.
An Analysis of CHS Gene Family Based on Tutcheria spectabilis (Theaceae);
石笔木CHS基因家族成员的分析
3) Cardiograptus
心笔石属
4) Cyrtograptus
弓笔石属
5) Galeograptus
盔笔石属
6) Nemagraptus
丝笔石属
