lower boundary defined by
7
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:Jiangshanian_stage | First appearance of Agnostotes orientalis |
| gptkb:Jiangshanian_Stage | first appearance of Agnostotes orientalis |
| gptkb:Drumian_Stage | first appearance of Ptychagnostus atavus |
| gptkb:Paibian_stage | first appearance of trilobite Glyptagnostus reticulatus |
| gptkb:Stage_3_(Cambrian) | first appearance of trilobites (proposed) |
| gptkb:Paibian_Stage | first appearance of trilobite Glyptagnostus reticulatus |
| gptkb:Stage_10_of_the_Cambrian | first appearance of the conodont Eoconodontus notchpeakensis (proposed) |