Trilobita - Redlichiida - Wanneriidae
Alternative spelling: Olenellus (Elliptocephalus)
Synonyms: Ebenezeria Marcou 1888 [objective synonym], Ebenzeria Marcou 1888 [objective synonym]
Full reference: E. Emmons. 1844. The Taconic System; based on observations in New York, Massachusetts, Maine, Vermont and Rhode Island 1-653
Parent taxon: Wanneriidae according to J. S. Hollingsworth 2005
See also Jell and Adrain 2002, Lieberman 1999, Palmer and Repina 1993, Sepkoski 2002, Walcott 1910 and Whittington et al. 1997
Sister taxon: Wanneria
Subtaxa: Elliptocephala asaphoides Elliptocephala bicensis Elliptocephala jaredi Elliptocephala laxocules Elliptocephala logani Elliptocephala lundgreni Elliptocephala mediocris Elliptocephala mirabilis Elliptocephala paraoculus Elliptocephala parvifrons Elliptocephala praenuntius Elliptocephala sequomalus Elliptocephala walcotti
Type: Elliptocephala asaphoides
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Canada (13: Alberta, Labrador, Newfoundland, Newfoundland and Labrador, Northern Territories, Northwest Territories, Yukon Territory collections), United States (10: Nevada, New York)
• Caerfai of United States (1: New York)
Total: 24 collections including 29 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.