Trilobita - Proetida - Otarionidae
Synonyms: Harpidella (Rhinotarion) Whittington and Campbell 1967, Rhinotarion Whittington and Campbell 1967 [objective synonym]
Full reference: F. M'Coy. 1849. On the classification of some British fossil Crustacea with notices of new forms in the university collection at Cambridge. The Annals and Magazine of Natural History, Second Series 4:392-414
Parent taxon: Otarioninae according to J. M. Adrain and B. D. E. Chatterton 1994
See also Adrain and Chatterton 1995, Jell and Adrain 2002, Owen 1981, Owen and Bruton 1980, Owen and Harper 1982, Owens and Fortey 2009, Sepkoski 2002, Thomas and Owens 1978 and Whittington and Campbell 1967
Sister taxa: Beggaspis, Chamaeleoaspis, Otarionella, Otarionini
Subtaxa: Harpidella (Harpidella) Harpidella beggi Harpidella isoplates Harpidella megalops Harpidella minima Harpidella occidentalis Harpidella schrieli Harpidella tridens
Type: Harpes megalops
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Devonian of Australia (3 collections), Canada (2: Ontario), the Czech Republic (6), Morocco (2), United States (1: Iowa)
• Whitwellian of Canada (2: Northwest Territories)
• Silurian of Algeria (1), Canada (8: Northwest Territories, Quebec), the Czech Republic (6), Estonia (1), Greenland (1), Ireland (1), Latvia (1), Morocco (2), Ukraine (2), the United Kingdom (10), United States (8: Arkansas, Illinois, Indiana, Maine, Oklahoma, Wisconsin)
• Ordovician of Canada (3: Quebec), Estonia (1), Ireland (5), Norway (22), the Russian Federation (2), Spain (3), the United Kingdom (10), United States (3: Virginia)
Total: 106 collections including 113 occurrences
Specimen images are retrieved through the ePANDDA API.
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