graptolites उदाहरण वाक्य

उदाहरण वाक्य

1. Most of the dendritic or many-branched types are classified as dendroid graptolites ( order Dendroidea ).
2. Graptolites with relatively few branches were derived from the dendroid graptolites at the beginning of the Ordovician period.
3. Graptolites with relatively few branches were derived from the dendroid graptolites at the beginning of the Ordovician period.
4. Gertrude Elles believed that " Pleurograptus " was the specific species to which the graptolites belonged.
5. This fossil shared many of the same characteristics as the sandy shales where Silurian graptolites are also found.
6. Since then, specimens from a different Victorian locality have been found that occur with veritable Late Silurian graptolites.
7. Others include brachiopods, cephalopods, trilobites, horn corals, snails, clams, echinoderms, and graptolites.
8. He studies trilobites and graptolites, especially those from the Ordovician, and their systematics, evolution and modes of life.
9. Other animals that inhabited Minnesota during the Ordovician included brachiopods, bryozoans, corals, crinoids, graptolites, and trilobites.
10. The extinct graptolites, colonial animals whose fossils look like tiny hacksaw blades, lived in tubes similar to those of pterobranchs.