Rhynchonellata - Orthida - Archaeorthidae
Synonym: Altorthis Andreeva 1960
Parent taxon: Archaeorthidae according to J. Hansen and L. E. Holmer 2011
See also Popov et al. 2001, Rubel 1961, Sepkoski 2002, Williams et al. 2007 and Williams et al. 2000
Sister taxa: Archaeorthis, Cyrtonotella, Diplonorthis, Nicoloidea, Pleurorthis, Riograndella, Xinanorthis
Subtaxa: Nothorthis delicatula Nothorthis kinderlensis Nothorthis marginata Nothorthis penetrabilis Nothorthis perplexa Nothorthis subpyramidalis Nothorthis tarda
Type: Nothorthis delicatula
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of United States (1: Alabama collection)
• Whiterockian of United States (2: Nevada, Utah)
• Volkhov of Estonia (1), the Russian Federation (13)
• Dawan of China (2)
• Arenig of China (7), United States (2: Nevada)
• Ordovician of China (18), Ireland (1), Kazakhstan (3), Norway (11), the Russian Federation (7), the United Kingdom (4), United States (1: Utah)
• Tremadoc of Argentina (3), the Russian Federation (1)
Total: 77 collections including 79 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.