archaeocyathid मीनिंग इन हिंदी

उदाहरण वाक्य

1. The typical archaeocyathid resembled a hollow horn coral.
2. The Cambrian starts with basal rhyolites, followed by the Gr�s de Marcory, a sandstone formation, by archaeocyathid-bearing limestones, shales and more sandstones.