Artiopoda - Agnostida - Diplagnostidae
Synonyms: Litagnostus Rasetti 1944, Pseudagnostina Palmer 1962, Pseudagnostus (Pseudagnostina) Palmer 1962, Pseudagnostus (Sulcatagnostus) Kobayashi 1937, Rhaptagnostus Whitehouse 1936, Sulcatagnostus Kobayashi 1937
Parent taxon: Diplagnostidae according to H. B. Whittington et al. 1997
See also Ergaliev and Ergaliev 2008, Jell and Adrain 2002, Kiessling 2009, Lu and Lin 1989, Peng and Robison 2000, Robison and Pantoja-Alor 1968, Sepkoski 2002 and Westrop et al. 1996
Sister taxa: Acadagnostus, Agnostotes, Baltagnostus, Denagnostus, Diplagnostinae, Diplagnostus, Dolichagnostus, Iniospheniscus, Linguagnostus, Machairagnostus, Nahannagnostus, Oedorhachis, Oidalagnostinae, Xestagnostus
Subtaxa: Litagnostus levisensis Litagnostus meniscus Pseudagnostina douvillei Pseudagnostus (Pseudagnostus) Pseudagnostus (Sulcatagnostus) dubius Pseudagnostus (Sulcatagnostus) hunanensis Pseudagnostus (Sulcatagnostus) rugosus Pseudagnostus ampullatus Pseudagnostus anhuiensis Pseudagnostus benxiensis Pseudagnostus bulgosus Pseudagnostus canadensis Pseudagnostus chinensis Pseudagnostus communis Pseudagnostus cyclopyge Pseudagnostus dividuus Pseudagnostus gyps Pseudagnostus idalis Pseudagnostus josephus Pseudagnostus karatauensis Pseudagnostus koerferi Pseudagnostus leptoplastorum Pseudagnostus marginisulcatus Pseudagnostus medius Pseudagnostus mestus Pseudagnostus obsurdus Pseudagnostus papilio Pseudagnostus planulatus Pseudagnostus praecurrens Pseudagnostus primus Pseudagnostus prolongus Pseudagnostus pseudangustilobus Pseudagnostus pseudocyclopyge Pseudagnostus punctatus Pseudagnostus rajovopsis Pseudagnostus securiger Pseudagnostus sericatus Pseudagnostus subquadratus Pseudagnostus vastulus Rhaptagnostus anhuiensis Rhaptagnostus apsis Rhaptagnostus auctor Rhaptagnostus bifax Rhaptagnostus changshanensis Rhaptagnostus ciliensis Rhaptagnostus convexiformis Rhaptagnostus cyclopygeformis Rhaptagnostus elix Rhaptagnostus gunnari Rhaptagnostus heteromorphus Rhaptagnostus langyashanensis Rhaptagnostus obsoletus Rhaptagnostus plenus Rhaptagnostus pseudoconvergens Rhaptagnostus simplex
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ordovician of Canada (1: Newfoundland and Labrador collection), the United Kingdom (1), United States (1: Texas)
• Tremadoc of Bolivia (1), Canada (1: Newfoundland and Labrador), Mexico (2), United States (2: Texas, Vermont)
• Taoyuanian of China (41), the Russian Federation (17), South Korea (53)
• Cambrian to Ordovician of the Russian Federation (1)
• Cambrian of Argentina (2), Australia (54), Canada (63: Alberta, British Columbia, Newfoundland, Newfoundland and Labrador, Quebec, Yukon), China (96), Kazakhstan (105), the Russian Federation (5), South Korea (7), Spain (1), the United Kingdom (1), United States (103: Alabama, Alaska, Arkansas, California, Idaho, Indiana, Minnesota, Missouri, Montana, Nevada, Nevada and Utah, South Dakota, Texas, Utah, Virginia, Wisconsin, Wyoming)
Total: 558 collections including 854 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.