Alternative combination: Trigonocyrillium horodyskii
Full reference: B. Bloeser. 1985. Melanocyrillium, a new genus of structurally complex late Proterozoic microfossils from the Kwagunt Formation (Chuar Group), Grand Canyon, Arizona. Journal of Paleontology 59:741-765
Belongs to Melanocyrillium according to B. Bloeser 1985
See also Porter et al. 2003
Sister taxa: Melanocyrillium fimbriatum, Melanocyrillium hexodiadema
Type specimen: UCLA 58975, a test. Its type locality is Locality B, Nankoweap Butte, which is in a Tonian marine shale in the Kwagunt Formation of Arizona.
Distribution:
• Tonian of United States (1: Arizona collection)
• Neoproterozoic of United States (1: Arizona)
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.