Edrioasteroidea - Isorophida - Agelacrinitidae
Full reference: T. E. Guensburg. 1988. Functional Morphology, and Life Modes of Late Ordovician Edrioasteroids, Orchard Creek Shale, Southern Illinois. Journal of Paleontology 62(1):110-126
Parent taxon: Agelacrinitidae according to T. E. Guensburg 1988
See also Sepkoski 2002
Sister taxa: Agelacrinites, Agelacrinitinae, Bellastrella, Cooperidiscus, Dinocystis, Discocystinae, Krama, Lepidodiscus, Neoisorophusella, Postibulla, Postibullinae, Savagella, Thresherodiscus, Ulrichidiscus
Subtaxa: Hystrichopsydrax sandersi
Type: Hystrichopsydrax sandersi
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Ordovician of United States (2: Illinois collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.