Anthozoa - Cystiphyllida - Tryplasmatidae
Synonyms: Holacanthia Sytova 1966, Rhabdacanthia Ivanovskiy 1969
Parent taxon: Tryplasmatinae according to D. Hill 1981
See also Sepkoski 2002
Sister taxa: Bowanophyllum, Cantrillia, Hillophyllum, Maikottia, Neotryplasma, Polyorophe, Rhabdelasma, Stortophyllum, Tryplasma, Wenlockia
Subtaxa: Aphyllum relictum Aphyllum salmoni Holacanthia sytovae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Australia (2 collections), the Russian Federation (4), Tajikistan (3), United States (3: New York, Pennsylvania)
• Silurian to Devonian of Tajikistan (1)
• Silurian of Australia (4), Canada (1: Yukon), China (6), Mongolia (2), the Russian Federation (7), Ukraine (3), United States (2: Alaska)
• Ordovician to Silurian of United States (1: Alaska)
• Ordovician of Estonia (1)
Total: 40 collections including 47 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.