Trilobita - Olenida - Olenidae
Alternative combination: Triarthrus parchaensis
Full reference: H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication 1:1-276
Belongs to Bienvillia according to D. S. Monti and V. A. Confalonieri 2019
See also Harrington and Leanza 1957
Sister taxa: Bienvillia angelini, Bienvillia chaya, Bienvillia corax, Bienvillia eurekensis, Bienvillia grandis, Bienvillia jana, Bienvillia kichka, Bienvillia papulosa, Bienvillia praecalva, Bienvillia rectifrons, Bienvillia shinetonensis, Bienvillia stikta, Bienvillia tetragonalis, Mendoparabolina brevicauda, Mendoparabolina pirquinensis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Arenigian of Argentina (26 collections)
• Ordovician of Argentina (2)
Total: 28 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.