Crosnoornis

Crosnoornis is a genus of suboscine bird from the Early Oligocene of Poland. It contains a single species, C. nargizia.^[1] A 2024 study found strong support for it and the related Wieslochia being members of the suborder Tyranni, either as stem group or crown group members of the Eurylaimides.^[2]

Crosnoornis Temporal range: Rupelian PreꞒ Ꞓ O S D C P T J K Pg N
Holotype
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Clade:	Eupasseres
Suborder:	Tyranni
Genus:	†Crosnoornis Bochenski et al., 2021
Type species
†Crosnoornis nargizia Bochenski et al., 2021