- References
{{Taxobox | name = Achistrum | regnum = Animalia | phylum = Echinodermata | classis = Holothuroidea | ordo = Apodida | familia = Achistridae | genus = Achistrum | genus_authority = Etheridge, 1881 }}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. References1. ^Triassic Holothurian Sclerites from Tatra Mountains Krystyna Zawidzka.
{{Taxonbar|from=Q4673798}}{{echinoderm-stub}} 3 : Triassic echinoderms|Fossils of Poland|Fossil taxa described in 1881 |