Diaphelasma (lamp shell)

Rhynchonellata - Pentamerida - Clarkellidae

Parent taxon: Clarkellidae according to A. Williams et al. 2002

See also Sepkoski 2002

Sister taxa: Acanthoglypha, Calliglypha, Clarkella, Fenxiangella, Parallelostrophia, Stichotrophia, Syntrophina, Syntrophinella, Yangtzeella

Subtaxa: none

Ecology: stationary epifaunal suspension feeder


• Ordovician of Canada (9: Newfoundland, Newfoundland and Labrador collections), United States (3: New York, Texas)

• Arenig of China (3), the United Kingdom (1), United States (1: Montana)

• Canadian of United States (1: Maryland)

Total: 18 collections each including a single occurrence

Show more details

Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.