Tergomya - Cyrtonellida - Cyrtolitidae
Full reference: E. L. Yochelson. 1958. Some Lower Ordovician monoplacophoran mollusks from Missouri. Journal of the Washington Academy of Sciences 48(1):8-14
Parent taxon: Cyrtolitidae according to B. Runnegar and P.A. Jell 1976
See also Knight and Yochelson 1960, Sepkoski 2002 and Starobogatov 1970
Sister taxa: Carcassonnellinae, Cloudia, Cyclocyrtonella, Cyrtolites, Kolihadiscus, Neocyrtolites, Paracyrtolites, Quasisinuites, Sinuella, Sinuitopsina, Sinuitopsis, Telamocornu, Yochelsonellis
Subtaxa: Cyrtonellopsis huzzahensis Cyrtonellopsis vetulum
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Whiterockian of United States (1: Minnesota collection)
• Ordovician of United States (4: Illinois, Iowa, Minnesota, Missouri)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.