Trilobita - Redlichiida - Olenellidae
Alternative combinations: Barrandia vermontana, Elliptocephalus (Schmidtia) vermontana, Mesonacis vermontana, Olenellus (Mesonacis) vermontana, Olenellus (Mesonacis) vermontanus, Olenellus vermontana, Olenellus vermontanus, Olenus vermontana, Paradoxides vermontana
Full reference: J. Hall. 1859. Trilobites of the shales of the Hudson River Group. Annual Report of the New York Cabinet for Natural History 12:59-62
Belongs to Mesonacis according to B. S. Lieberman 1999
See also Billings 1861, Billings 1865, Emmons 1860, Hall 1859, Hall 1859, Palmer and Repina 1993, Resser and Howell 1938, Shaw 1955, Walcott 1885, Walcott 1886, Walcott 1891 and Walcott 1910
Sister taxa: Mesonacis bonnensis, Mesonacis cylindricus, Mesonacis eagerensis, Mesonacis fremonti, Mesonacis hamoculus, Mesonacis wileyi, Fremontia canadensis
Type specimen: USNM 15399a, a cephalon/head
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: found only at USNM Loc. 25 Parkers Cobble (Cambrian of Vermont)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.