Rhynchonellata - Rhynchonellida - Hemithirididae
Alternative spelling: Hemithyris
Parent taxon: Hemithirididae according to A. Williams et al. 2002
See also Cooper 1959, Craig 2000, Hertlein and Grant IV 1944 and Sepkoski 2002
Sister taxa: Patagorhynchia, Paraplicirhynchia
Subtaxa: Hemithiris antarctica Hemithiris dibbleei Hemithiris parvillima Hemithiris psittacea Hemithiris reagani Hemithiris woodwardi Hemithyris braunsi Hemithyris peculiaris Hemithyris psittacea
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Canada (2: Newfoundland and Labrador, Quebec collections), Greenland (5), Japan (7), United States (3: Alaska, Oregon)
• Pliocene to Pleistocene of Japan (1)
• Pliocene of Japan (1)
• Miocene of Japan (4)
• Oligocene of United States (5: Washington)
• Eocene of Antarctica (2), United States (4: Washington)
• Paleogene of Antarctica (2)
Total: 36 collections including 41 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.