Rhynchonellata - Orthida - Eoorthidae
Parent taxon: Eoorthidae according to J. Hansen and L. E. Holmer 2011
See also Rubel 1961, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Apheoorthina, Austrohedra, Brahimorthis, Eoorthis, Glaphyrorthis, Jivinella, Ocnerorthis, Otusia, Pompeckium, Robertorthis
Subtaxa: Apheoorthis humboldtensis Apheoorthis lineocostis Apheoorthis melita Apheoorthis ocha Apheoorthis samensis Apheoorthis submelita Apheoorthis suecica Apheoorthis vicina
Type: Eoorthis lineocosta
Ecology: stationary epifaunal suspension feeder
Distribution:
• Aluoja of Estonia (1 collection)
• Billingen of Sweden (1)
• Arenig of China (2), Sweden (5)
• Ordovician of Argentina (1), Australia (4), Bolivia (4), Canada (2: Alberta), China (8), Colombia (1), Ireland (1), Norway (2), the Russian Federation (12), Sweden (2), United States (13: Alaska, Montana, Nevada, North Dakota, Utah, Vermont)
• Ibexian of United States (1: Nevada)
• Skullrockian of United States (1: Utah)
• Cambrian of Kazakhstan (2), United States (4: Montana, Texas, Utah)
Total: 67 collections including 69 occurrences
Specimen images are retrieved through the ePANDDA API.
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