BERMAN, HENRICI, SUMIDA, MARTENS, & PELLETIER, 2014
Etymology: Latin, unguis, "nail, claw, or talon" and Latin, falcatus, "sickle-shaped"; referring to the long, strongly recurved unguals of the holotype.
Holotype: MNG 10596
Locality: Bromacker locality, of the middle part of the Thuringian Forest near the Village of Tambach-Dietharz and about 20 km south of the town of Gotha, Gotha District, Thuringa State, central Germany.
Horizon: Uppermost level of 60 m thick middle sandstone unit, Tambach Formation.
Age: Lowermost unit of the upper Rotliegend Epoch, Early Permian.
Material: Greater part of postcrania skeleton preserved both in the bone and as impressions on couonterpart blocks.
MNG 15037: Partial left dentary.