Definition of Achistrum. Meaning of Achistrum. Synonyms of Achistrum

- Achistrum is an extinct genus of sea cu****ber which existed in Poland during the Tri****ic period, and the United States during the Carboniferous period...
- Authors Year Status Age Location Notes Acanthotheelia Acanthocaudina Achistrum Acutisclerus Aduncrum Alexandrites Amphitriodites Andenothyone Auricularites...
- family Myriotrochidae Théel, 1877 family Synaptidae Burmeister, 1837 genus Achistrum Etheridge, 1881 Chiridota hydrothermica Polycheira rufescens Euapta godeffroyi...
- Genus Species Locality Formation Notes Images Jumaraina J. sp Achistrum A. sp Hemisphaerantos H. sp Priscopedatus P. sp Synallactidae Indeterminate...
- Genus Species Location Material Notes Images Achistrum A. issleri Achdorf Aselfingen Weilheim/Teck Göppingen und Reichenbach Bewegtw****erfazi Obereggenen...
- †Abrotocrinus unicus †Achatella †Achistrum †Achistrum brownwoodensis †Achistrum ludwigi †Achistrum monochordata †Achistrum nicholsoni †Acidaspis †Acidaspsis...
- †Acanthopecten †Acanthopecten coloradoensis †Achistrum †Achistrum coloculum †Achistrum gamma †Achistrum monochordata †Acrothele †Acrothele colleni – type...
- Database records no known occurrences of Precambrian fossils in Arizona. †Achistrum †Aglaocrinus †Altudoceras †Alula †Amphiscapha †Annularia †Annularia asteris...
- †Acantholepis †Acanthotheelia †Acariaeocrinus †Acariaiocrinus †Acentrotremites †Achistrum †Achradocrinus †Achradocystites †Acinetaster †Acolocrinus †Acriaster †Acrocidaris...
- aciculifera †Achatella †Achatella katharina †Achistrum †Achistrum coloculum †Achistrum gamma †Achistrum monochordata †Acidiphorus – tentative report †Acolocrinus...