ammonites
Argoides redfieldii Hitchcock 1844

Reptilia - Dinosauria

Alternative combinations: Argoides redfieldianus, Argozoum redfieldianum, Ornithoidichnites redfieldii

Full reference: E. Hitchcock. 1844. Report on ichnolithology, or fossil footmarks, with a description of several new species, and the coprolites of birds, from the valley of Connecticut River, and of a supposed footmark from the valley of Hudson River. The American Journal of Science and Arts 47(2):292-322

Belongs to Argoides according to H. Haubold 1971

Sister taxa: Argoides macrodactylus, Argoides minimus

Type specimen: Its type locality is Chicopee Falls tracksite, which is in a Hettangian/Sinemurian lacustrine - small shale/sandstone in the Portland Formation of Massachusetts