Artiopoda - Agnostida - Spinagnostidae
Synonyms: Breviagnostus Liu 1982, Cyclopagnostus Howell 1937, Spinagnostus Howell 1935
Parent taxon: Spinagnostinae according to J. B. Jago and R. A. Cooper 2007
See also Jell and Adrain 2002, Paterson and Laurie 2004, Sepkoski 2002 and Whittington et al. 1997
Sister taxa: none
Subtaxa: Hypagnostus anhuiensis Hypagnostus bilobatus Hypagnostus brevifrons Hypagnostus gibber Hypagnostus hunanicus Hypagnostus parvifrons Hypagnostus prodigialis Hypagnostus scrobiculatus Hypagnostus transversus Hypagnostus truncatus Hypagnostus vulgarus
Ecology: nektonic suspension feeder
Distribution:
• Cambrian of Antarctica (2 collections), Argentina (2), Australia (12), Canada (22: British Columbia, New Brunswick, Newfoundland and Labrador), China (94), Czechia (2), Denmark (1), India (1), Kazakhstan (23), Mexico (1), New Zealand (1), Norway (3), the Russian Federation (2), Sweden (9), the United Kingdom (1), United States (11: Alaska, New York, South Carolina, Utah, Vermont)
• Solvan of Czechia (1)
Total: 188 collections including 246 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.