Shankouclava
Shankouclava is an extinct genus of tunicates. It represents the oldest candidate member of this group, dating to 518 million years ago. It has been found in the Lower Cambrian Maotianshan Shale at Shankou village, Anning, near Kunming (South China). Each of the eight specimens found and used for description were isolated, suggesting that the genus was solitary and not colonial.
| Shankouclava Temporal range: Cambrian Stage 3, | |
|---|---|
| Restoration of S. anningense. | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Tunicata |
| Genus: | †Shankouclava Chen et al., 2003 |
| Type species | |
| †Shankouclava anningense Chen et al., 2003 | |
| Species | |
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