Parent taxon: Helioporacea according to J. J., Jr. Sepkoski 2002
Sister taxa: Epiphaxum, Heliopora, Helioporidae, Kaluginella, Octotremacis
Subtaxa: Polytremacis blainvillei Polytremacis hancockensis Polytremacis lindstroemi Polytremacis partschi Polytremacis tehuacanensis Polytremacis tenera Polytremacis urgonensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Eocene of Romania (1 collection)
• Paleocene of Italy (1), Spain (1)
• Cretaceous of Austria (3), Bulgaria (1), the Czech Republic (1), France (1), Georgia (1), Germany (4), Jamaica (2), the Marshall Islands (1), Mexico (1), Oman (1), Poland (1), Romania (1), Serbia and Montenegro (1), Slovakia (2), Slovenia (1), Somalia (1), Switzerland (1), Tunisia (1), Turkmenistan (1), Ukraine (2), the United Arab Emirates (2), United States (3: Arizona, Texas)
• Jurassic to Cretaceous of China (1)
Total: 37 collections including 39 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.