Beipiaopterus Beipiaopterus Beipiaopterus is a genus of ctenochasmatid pterosaur (flying reptile) from the Lower Cretaceous Yixian Formation (Aptian) in the People's Republic of China. The genus was named in 2003 by Lü Junchang. The generic name is derived from Beipiao City in Liaoning Province and a Latinised Greek "pteron", "wing". The specific epithet honours paleontologist Professor Chen Peiji. The type and only species is based on holotype BPM 0002, a crushed partial skeleton of a subadult individual on a slab, missing the skull. It includes four cervical, fourteen dorsal, three sacral and nine caudal vertebrae, a complete left wing and two
Helen (given name) Jerusalem. Helen enjoyed a massive burst of popularity in the United States during the first half of the 20th century, when it was one of the top ten names for baby girls, but became less common following World War 2. The name "Eilidh" (pronounced "ayley") is a Gaelic version of the name Helen. Helen (given name) Helen is a feminine given name derived from the Ancient Greek name , "Helenē" (dialectal variant: , "Helena") whose etymology is unknown; a derivation of the latter from , a variant form of , i.e. "torch", is considered "rather uncertain". Another possible derivation is