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

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