''Illaenus tauricornis'' is a species of
trilobites from
Russia and
Morocco, from the middle
Ordovician.
Etymology
The Latin species name ''tauricornis'' means "bull-horned", with reference to the shape of the genal spines.
Description
''Illaenus tauricornis'' can reach a length of about . These trilobites are without glabella and without articulation of the tail. The
cephalon
Cephalon, Inc. was an American biopharmaceutical company co-founded in 1987 by pharmacologist Frank Baldino, Jr., neuroscientist Michael Lewis, and organic chemist James C. Kauer—all three former scientists with the DuPont Company. Baldino s ...
has a high profile and recurved genal spines. Eyes are distant from the axis of the head, situated nearer to the edge. Usually the cephalon is contracted, due to the contraction of the muscles during the fossilization.
Fossil Museum
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References
External links
American Museum of Natural History
Fossil ID
Ordovician trilobites
Illaenina
{{Corynexochida-stub