Pterofiltrus is a genus of ctenochasmatid pterosaur from the Early Cretaceous of western Liaoning, China.
Pterofiltrus is a genus of ctenochasmatid pterosaur from the Early Cretaceous of western Liaoning, China.
==Discovery and naming== Pterofiltrus was named by Jiang Shunxing and Wang Xiaolin in 2011. The type species is Pterofiltrus qiui. The generic name is derived from Greek πτερόν, pteron, "wing", and a Mediaeval Latin filtrum, "felt" or "filter", in reference to the dentition. The specific name honours Professor Qiu Zhanxiang.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).