Diagoniella

{{Short description|Extinct genus of sponges}}

{{Automatic taxobox

|fossil_range = {{fossil range|Burgess Shale}}

|image = Diagoniella hindei.jpg

|image_alt = Diagoniella hindei fossils

|image_caption = Diagoniella hindei fossils

|taxon = Diagoniella

|authority = Walcott, 1920

|subdivision_ranks = Species

|subdivision =

• †Diagoniella cyathiformis
• †Diagoniella hindei
• †Diagoniella magna
• †Diagoniella mica
• †Diagoniella robisoni
• †Diagoniella tubulara

}}

Diagoniella is a genus of sponge known from the Middle Cambrian Burgess Shale.{{Cite web|date=2011|title=Diagoniella hindei|work=Burgess Shale Fossil Gallery|publisher=Virtual Museum of Canada|url=http://burgess-shale.rom.on.ca/en/fossil-gallery/view-species.php?id=43|archive-url=https://web.archive.org/web/20201112025257/http://burgess-shale.rom.on.ca/en/fossil-gallery/view-species.php?id=43|archive-date=2020-11-12|url-status=dead|access-date=2023-01-21}}{{Cite journal| pages = 737–748| year = 2007| doi = 10.1016/j.geobios.2007.02.006| first1 = J.| volume = 40| title = 'Cambrian' demosponges in the Ordovician of Morocco: Insights into the early evolutionary history of sponges| journal = Geobios| last1 = Botting| issue = 6 | bibcode = 2007Geobi..40..737B}} 128 specimens of Diagoniella are known from the Greater Phyllopod bed, where they comprise 0.24% of the community.{{cite journal|last1=Caron |first1=Jean-Bernard|last2=Jackson |first2=Donald A.|title=Taphonomy of the Greater Phyllopod Bed community, Burgess Shale|journal=PALAIOS |volume=21 |issue=5 |pages=451–65|date=October 2006|doi=10.2110/palo.2003.P05-070R|jstor=20173022|bibcode=2006Palai..21..451C |s2cid=53646959 }}