†Proagnostus Butts 1926 (artiopod)
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Artiopoda - Agnostida - Ammagnostidae
Synonym: Agnostascus Öpik 1967
Parent taxon: Ammagnostinae according to J. B. Jago et al. 2004
See also Jell and Adrain 2002, Öpik 1967, Sepkoski 2002 and Whittington et al. 1997
Sister taxon: Ammagnostus
Subtaxa: Proagnostus bulbus
Type: Proagnostus bulbus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ayusokkanian of Kazakhstan (3 collections)
• Marjumian of Greenland (6), United States (1: Alabama)
• Cambrian of Australia (3), Canada (1: Yukon), China (27), Greenland (1), India (2), United States (3: Utah, Wisconsin, Wyoming)
Total: 47 collections including 48 occurrences
Specimen images are retrieved through the ePANDDA API.
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