Leonaspis is a widespread genus of odontopleurid trilobite that lived from the Late Ordovician to the late Middle Devonian. Fossils of various species have been found on all continents except Antarctica.

Leonaspis, Richter and Richter 1917 (trilobite)
Trilobita - Lichida - Odontopleuridae

Synonym: Acanthalomina (taxon 122150)

Parent taxon: Odontopleurinae according to D. L. Bruton 1967

See also Bruton 1966, Jell and Adrain 2002, Kiessling 2003, Sepkoski 2002 and Whittington 1956

Sister taxa: Acidaspis, Anacaenaspis, Dalaspis, Diacanthaspis, Edgecombeaspis, Kettneraspis, Odontopleura, Primaspis, Radiaspis.

Ecology: fast-moving low-level epifaunal carnivore

Environments: marine, offshore shelf, deep subtidal, shallow subtidal, offshore, carbonate, reef, buildup or bioherm, deep subtidal ramp, deep subtidal shelf, slope, lagoonal/restricted shallow subtidal, basinal (carbonate), basinal (siliceous), transition zone/lower shoreface, shoreface, open shallow subtidal.

Age range: 460.9 to 383.7 Ma


• Daleje of the Czech Republic 

• Devonian of Australia, Bolivia, Canada ( Northwest Territories, Nunavut, Yukon), the Czech Republic, France, Germany, Italy, Morocco, the Russian Federation, Spain, United States ( Nevada)

• Silurian to Devonian of Argentina, Australia, United States (Oklahoma)

• Silurian of Argentina, Australia, Canada (Northwest Territories, Nunavut, Quebec, Yukon Territory), China, the Czech Republic, Estonia, Greenland, Latvia, Morocco, Poland, Spain, Ukraine, the United Kingdom, United States ( Wisconsin)

• Ordovician to Silurian of Canada ( Québec)

• Ordovician of Canada (Northwest Territories, Quebec), China, Kazakhstan, Poland, Spain, Sweden, the United Kingdom

Leonaspis sp: Fossilworks (Paleobiology Database)