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

Distribution:

• 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

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Specimen images are retrieved through the ePANDDA API.


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