Palintropus

Palintropus
Temporal range: Late Cretaceous,
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Clade: Avialae
Clade: Ambiortiformes
Genus: Palintropus
Brodkorb, 1970
Species:
P. retusus
Binomial name
Palintropus retusus
(Marsh, 1892)
Synonyms

Cimolopteryx retusa Marsh, 1892
Apatornis retusus (Marsh, 1892)

Palintropus is a prehistoric bird genus from the Late Cretaceous. A single species has been named (Palintropus retusus) based on a proximal coracoid from the Lance Formation of Wyoming, dated to the latest Maastrichtian, 66 million years ago. Coracoids and a proximal scapula of two unnamed species from the upper Campanian Dinosaur Park Formation of Alberta, dating to between 76.5 and 75 million years ago, are also known.