Trilobita - Odontopleurida - Odontopleuridae
Full reference: L. Ramsköld and B.D.E. Chatterton. 1991. Revision and subdivision of the polyphyletic ‘Leonaspis’ (Trilobita). Transactions of the Royal Society of Edinburgh: Earth Sciences 82:333-371
Parent taxon: Acidaspidinae according to L. Ramsköld and B.D.E. Chatterton 1991
See also Jell and Adrain 2002
Sister taxon: Gondwanaspis
Subtaxa: Exallaspis acarescola Exallaspis bruntoni Exallaspis bufo Exallaspis coronata Exallaspis deflexa Exallaspis illinoiensis Exallaspis lothiana Exallaspis maccrackeni Exallaspis marklini Exallaspis muldensis Exallaspis quadrimucronatus Exallaspis varbolensis
Type: Leonaspis coronata bufo
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Silurian of Canada (22: Quebec collections), Estonia (1), Latvia (2), Mexico (2), Norway (1), Sweden (5), the United Kingdom (13), United States (1: Illinois)
• Ordovician of the United Kingdom (2)
Total: 49 collections including 50 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.