Achistrum
| Achistrum | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Holothuroidea |
| Order: | Apodida |
| Family: | Achistridae |
| Genus: | Achistrum |
Achistrum is an extinct genus of sea cucumber which existed in Poland during the Triassic period, and the United States during the Carboniferous period.[1] It contains the species Achistrum nicholsoni and Achistrum ludwigi.
References
- ↑ Triassic Holothurian Sclerites from Tatra Mountains Krystyna Zawidzka.