Demospongiae - Agelasida - Preperonidellidae
Full reference: A. de Gregorio. 1930. Sul Permiano di Sicilia (fossili del calcare con Fusulina di Palazzo Adriano non descritti dal Prof. G. Gemmellaro conservati nel mio privato gabinetto). Annales de Géologie et de Paléontologie 52:1-70
Parent taxon: Precorynellinae according to R. M. Finks et al. 2004
See also Rigby and Potter 1986, Rigby et al. 1988 and Sepkoski 2002
Sister taxa: Bicoelia, Lercaritubus, Minispongia, Precorynella, Ramostella, Stollanella
Subtaxa: Imperatoria anomala Imperatoria fistulata Imperatoria irregularis Imperatoria marconii Imperatoria media Imperatoria mega Imperatoria minima Imperatoria voluta
Type: Imperatoria gallwitzi
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of China (1 collection), Italy (1), Tunisia (14)
• Ordovician of Canada (1: Yukon), United States (10: Alaska, California)
Total: 27 collections including 37 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.