Orthothecimorpha - Circothecida
Parent taxon: Circothecida according to J. J., Jr. Sepkoski 2002
Sister taxa: Arathecus, Asijatheca, Costatheca, Extentitheca, Kunyangotheca, Leibotheca, Mojczatheca, Spinulitheca, Turcuthecidae, Uniformitheca
Subtaxa: Ladatheca cylindrica
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Canada (44: Newfoundland and Labrador, Nova Scotia collections), Iran (3), Norway (2), the Russian Federation (17), Saint Pierre and Miquelon (1), United States (4: Massachusetts, Nevada)
• Placentian of Canada (2: Newfoundland and Labrador, Nova Scotia), United States (4: Massachusetts)
• Ediacaran of United States (1: Nevada)
Total: 78 collections including 82 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.