†Hydnoangulus Rigby and Ausich 1981 (glass sponge)
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Hexactinellida - Reticulosa - Dictyospongiidae
Full reference: J. K. Rigby and W. I. Ausich. 1981. Lower Mississippian sponges from the Edwardsville Formation, southern Indiana. Journal of Paleontology 55(2):370-382
Parent taxon: Hydnoceratinae according to R. M. Finks et al. 2004
See also Sepkoski 2002
Sister taxa: Botryodictya, Ceratodictya, Cleodictya, Clepsydrospongia, Hydnoceras, Hydnocerina, Protoprisma, Rhabdosispongia, Tylodictya
Subtaxa: Hydnoangulus quadratus
Type: Hydnoangulus quadratus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of United States (2: Indiana collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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