Definition of Heterastridium. Meaning of Heterastridium. Synonyms of Heterastridium

- Heterastridium is an extinct genus of marine hydrozoan. It is the only accepted genus in the monotypic family Heterastridiidae. The fossils date from the...
- Some Karakorum stones (Stoliczkaria and Syringosphaera), relatives of Heterastridium....
- or unidentified comparable form †Heptastylis †Hesperornis †Heterastridium †Heterastridium conglobatum Heteropora †Hiatobairdia †Hiatobairdia arcuata †Higumastra...
- †Gymnocodium †Hamulus – tentative report †Hebetoxyites †Hesperornis †Heterastridium †Hildaites – tentative report †Hypophylloceras †Inoceramus †Inoceramus...
- study on the anatomy, ontogeny and taxonomy of the Norian hydrozoan Heterastridium, based on data from fossil specimens from central Iran and south Turkey...
- Geologie und Paläontologie, Abhandlungen 213(1):103–118 E. Flügel. 1960. Heterastridium conglobatum conglobatum Reuss, an Upper Tri****ic hydrozoan from the...