Definition of Graptolite. Meaning of Graptolite. Synonyms of Graptolite

Here you will find one or more explanations in English for the word Graptolite. Also in the bottom left of the page several parts of wikipedia pages related to the word Graptolite and, of course, Graptolite synonyms and on the right images related to the word Graptolite.

Definition of Graptolite

Graptolite
Graptolite Grap"to*lite, n. [NL, Graptolithus, from Gr. ? is engraved, written (gra`fein to write) + ? stone.] (Paleon.) One of numerous species of slender and delicate fossils, of the genus Graptolites and allied genera, found in the Silurian rocks. They belong to an extinct group (Graptolithina) supposed to be hydroids.

Meaning of Graptolite from wikipedia

- Graptolites are a group of colonial animals, members of the subclass Graptolithina within the class Pterobranchia. These filter-feeding organisms are...
- Dictyonema is a genus of dendroid graptolites in the order Dendroidea. Fossils of Dictyonema are found from the Upper Cambrian to the Devonian (age range:...
- Middle Cambrian, it is also considered to be the only living genus of graptolites. Rhabdopleura is the best studied pterobranch in developmental biology...
- clade as the extinct graptolites, and phylogenetic analysis suggests that the pterobranchs are living members of the graptolite clade. Pterobranchs are...
- boundary of the Darriwilian is defined as the first appearance of the graptolite species Undulograptus austrodentatus around 469.4 million years ago. It...
- This list of graptolites is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be members...
- Graptolite Island is an island 0.8 km (0.50 mi) long in the north-east part of Fitchie Bay, lying off the south-east portion of Laurie Island in the South...
- commonly called acorn worms, and the Pterobranchia, which includes the graptolites. A third class, Planctosphaeroidea, is proposed based on a single species...
- Graptolites, which evolved in the preceding Cambrian period, thrived in the oceans. This includes the distinctive Nemagraptus gracilis graptolite fauna...
- Axonophora is an extinct suborder of graptolites. It primarily consists of the biserial graptolites, and also includes the retiolitids and monograptids...