pteraspid वाक्य
"pteraspid" हिंदी में pteraspid in a sentenceउदाहरण वाक्य
- ""'Errivaspis " "'is an extinct genus of pteraspid heterostracan agnathan vertebrate known from fossils at the Wayne Hereford Quarry, of Early Devonian England, and of Podolia, Early Devonian Ukraine.