Sister taxa: Bicrenucula, Concavodontinae, Fidera, Habonucula, Homilodonta, Ledopsis, Nuculodonta, Palaeoconcha, Palaeoconchiella, Praenuculinae, Pseudoledopsis, Pseudonucula, Similodonta, Smilodonta, Tironucula
Ecology: facultatively mobile shallow infaunal deposit feeder
• Ordovician of Argentina (2), Canada (2: Ontario, Quebec), the Czech Republic (8), Morocco (7), Norway (1), Portugal (3), Spain (14), Sweden (1), the United Kingdom (16), United States (8: Iowa, Maryland, Pennsylvania and Virginia, Virginia, Wisconsin)
Total: 72 collections including 79 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.