30753 - Nicely Preserved 0.72 Inch Leonaspis sp Middle Devonian Trilobite

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

Distribution:

• 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)