Synonyms: Ciceragnostus Kobayashi 1937, Phoidagnostoides Pillet 1978
Parent taxon: Condylopygoidea according to E. B. Naimark and T. V. Pegel 2017
See also Bao and Jago 2000, Harrington and Leanza 1957, Jell and Adrain 2002, Sepkoski 2002 and Whittington et al. 1997
Sister taxa: Agnostidae, Ammagnostidae, Clavagnostidae, Condylopygidae, Diplagnostidae, Doryagnostidae, Glaberagnostus, Glyptagnostus, Megagnostus, Metagnostidae, Phalacromidae, Phalagnostus, Phaldagnostus, Pseudagnostidae, Ptychagnostidae, Spinagnostidae, Valenagnostus
Subtaxa: Ciceragnostus iruyensis Leiagnostus inletensis Leiagnostus perinflatus Leiagnostus turgidulus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Billingen of Sweden (1 collection)
• Arenig of the United Kingdom (1)
• Ordovician of Argentina (7), China (2), Czechia (1), France (2), Spain (2), Sweden (1), the United Kingdom (1)
• Skullrockian of Argentina (1)
• Cambrian of Argentina (1), Australia (4), China (7), France (1), Kazakhstan (2), the Russian Federation (3)
Total: 37 collections including 39 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.