Definition of Graptoloid. Meaning of Graptoloid. Synonyms of Graptoloid

- abundance, planktonic lifestyle, and well-traced evolutionary trends, graptoloids in particular are useful index fossils for the Ordovician and Silurian...
- the order Graptoloidea. This particular genus is the last stage of the graptoloid evolution before its extinction in the early Devonian. A characteristic...
- regions. Most species found in the formation are ****igned to planktic (graptoloid) groups, though some mesh-shaped taxa (like Araneograptus and Rhabdinopora)...
- received her PhD from the University of Cambridge in 1990 for a doctorate on Graptoloid Form and Function. She received a BSc. from the University of Oxford in...
- Urbanek (1993) in a paper concerning the end-Silurian extinction of graptoloids and is derived from an island in Gulliver’s Travels, Lilliput, inhabited...
- from Hunsrück Slate had radius about 25 cm (9.8 in). The longest known graptoloid graptolite is Stimulograptus halli at 1.45 m (4.8 ft). It found in Silurian...
- Uninvestigated Sollasina An ophiocistioid echinoderm Pterobranchia "Graptoloids" Uninvestigated Inani****a A radiolarian Haplentactinia Parasecuicollacta...
- Urbanek, A. (1993). "Biotic crises in the history of Upper Silurian graptoloids: a palaeobiological model". Historical Biology. 7: 29–50. doi:10.1080/10292389309380442...
- by Li et al. (2018). A study on the fossil record of early Paleozoic graptoloids and on the factors influencing rates of diversification within this group...
- planktic graptolite and is presumably the ancestor of all later planktic graptoloids. Some species identified as the first planktid graptolite are: Rhabdinopora...