†Diaphelasma (lamp shell)
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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
Distribution:
• Arenig of China (3 collections), the United Kingdom (1), United States (1: Montana)
• Ordovician of Canada (9: Newfoundland, Newfoundland and Labrador), Svalbard and Jan Mayen (1), United States (3: New York, Texas)
• Canadian of United States (1: Maryland)
Total: 19 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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