†Imperatoria irregularis Rigby and Potter 1986 (demosponge)
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Demospongiae - Agelasida - Preperonidellidae
Full reference: J. K. Rigby and A. W. Potter. 1986. Ordovician sphinctozoan sponges from the eastern Klamath Mountains, northern California. The Paleontological Society Memoir 20 1-47
Belongs to Imperatoria according to J. K. Rigby and A. W. Potter 1986
Sister taxa: Imperatoria anomala, Imperatoria fistulata, Imperatoria marconii, Imperatoria media, Imperatoria mega, Imperatoria minima, Imperatoria voluta
Type specimen: USNM 395874
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Horseshoe Gulch USNM 36439b (Ordovician of California)
Specimen images are retrieved through the ePANDDA API.
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