Mesonacis vermontanus Hall 1859 (trilobite)

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)

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Specimen images are retrieved through the ePANDDA API.

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