Gymnolaemata - Cheilostomata - Onychocellidae
Parent taxon: Onychocellidae according to E. Håkansson et al. 2024
See also Bassler 1953, Koromyslova and Seltser 2020, Koromyslova et al. 2018 and Sepkoski 2002
Sister taxa: Aechmella, Cheethamia, Chondriovelum, Collura, Distefanella, Ehrhardina, Euritina, Floridina, Floridinella, Hoplitaechmella, Hoplocheilina, Inversaria, Nudicella, Ogiva, Ogivalia, Onychocella, Paraechmellina, Reptolunulites, Rhebasia, Semieschara, Smittipora, Thyracella
Subtaxa: Rhagasostoma angliae Rhagasostoma aralense Rhagasostoma brydonei Rhagasostoma gibbosulum Rhagasostoma gibbosum Rhagasostoma inelegans Rhagasostoma infelix Rhagasostoma mimosa Rhagasostoma minuens Rhagasostoma operculatum Rhagasostoma rowei Rhagasostoma saltans Rhagasostoma tchvanovi
Ecology: stationary epifaunal suspension feeder
Distribution:
• Oligocene of United States (1: Alabama collection)
• Paleocene of Denmark (1)
• Cretaceous of Australia (2), Belarus (1), Belgium (1), France (2), Germany (4), Kazakhstan (1), the Russian Federation (3), Turkmenistan (4), the United Kingdom (12), Uzbekistan (3)
Total: 35 collections including 47 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.