Longicrusavis (meaning "long shin bird" in Latin) is an extinct genus of basal ornithuromorph bird found only at Dawangzhangzi village in Liaoning Province, China. Longicrusavis was a ground dwelling carnivore, a wader, and part of biological family Hongshanornithidae, considered to have been a dominant species in the Jehol Biota, the prehistoric Chinese ecosystem which supported them. The name Hongshanornithidae refers to one of China's oldest recorded cultures in the region, the Hongshan culture.
Longicrusavis (meaning "long shin bird" in Latin) is an extinct genus of basal ornithuromorph bird found only at Dawangzhangzi village in Liaoning Province, China. Longicrusavis was a ground dwelling carnivore, a wader, and part of biological family Hongshanornithidae, considered to have been a dominant species in the Jehol Biota, the prehistoric Chinese ecosystem which supported them. The name Hongshanornithidae refers to one of China's oldest recorded cultures in the region, the Hongshan culture.
==Description== Longicrusavis is a ground dwelling carnivore known from the holotype specimen PKUP V1069, found from the Lower Cretaceous Yixian Formation in Liaoning Province, China., which consists of shale slab and counter slab. The skeleton is nearly complete and belongs to an adult individual, with carbonized feathers preserved in full plumage with visible colouration around the head and forelimbs.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).