Phragmolites fimbriata Gastropod a.jpg

Phragmolites fimbriata Gastropod

SITE LOCATION: Decorah, Iowa, USA
TIME PERIOD: Ordovician Period (445-485 Million Years ago)
Data: Phragmolites is an extinct genus of molluscs in the family Bucaniidae, paleozoic molluscs of uncertain position possibly being either Gastropods or Monoplacophorans in the superfamily Bellerophontoidea. The family lived from the Lower Ordovician to the Devonian and have shells in which the apertural margins tend to flare. Most genera have a slit and selenizone, others some modification of this feature.
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: †Bellerophontida
Family: †Bucaniidae
Genus: †Phragmolites
Species: †fimbriata