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:...

Axonophora is an extinct suborder of graptolites. It primarily consists of the biserial graptolites, and also includes the retiolitids and monograptids...

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...

It bears strong similarity to the graptolites - indeed for some time it was misclassified as a dendroid graptolite. Bengtson, S.; Urbanek, A. (1986),...

Silurian periods. The formation contains a high diversity of graptolite fossils. Graptolite fossil taxa found include: Monograptus priodon Retiolites geinitzianus...

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...

graptolitic argillite, this name is now considered a misnomer as the graptolite fossils in the rock, earlier considered dictyonemids, were reclassified...

Graptolites, which evolved in the preceding Cambrian period, thrived in the oceans. This includes the distinctive Nemagraptus gracilis graptolite fauna...

Middle Cambrian, it is also considered to be the only living genus of graptolites. Rhabdopleura is the best studied pterobranch in developmental biology...

lundgreni graptolite biozone. The first peak spans from the uppermost portion of the lundgreni biozone all the way to the praedeubeli-deubeli graptolite biozone...

branched tentacles, and has a short, shield-shaped proboscis. The extinct graptolites, colonial animals whose fossils look like tiny hacksaw blades, lived...

Dilly P (1993) Cephalodiscus graptolitoides sp. nov. a probable extant graptolite. Journal of Zoology 229: 69-78. Swalla, B.J.; van der Land, J. (2020)...

crinoids (only articulates survived), and all eurypterids, trilobites, graptolites, hyoliths, edrioasteroid crinozoans, blastoids and acanthodians. Ouachita...

System Time span formality Formal Lower boundary definition FAD of the Graptolite Monograptus uniformis Lower boundary GSSP Klonk, Czech Republic 49°51′18″N...

clade as the extinct graptolites, and phylogenetic analysis suggests that the pterobranchs are living members of the graptolite clade. Pterobranchs are...

formation in Malaysia. The band of graptolite- and trilobite-bearing shales interbedded in limestones preserves graptolite, brachiopod and trilobite fossils...

Artur A.; Meireles, Carlos; González-Clavijo, E. (1 June 2006). "Silurian graptolite biostratigraphy of the Galicia – Tras-os-Montes Zone (Spain and Portugal)"...

1835 Time span formality Formal Lower boundary definition FAD of the Graptolite Akidograptus ascensus Lower boundary GSSP Dob's Linn, Moffat, United Kingdom...

stalk-like feature supporting the cap of a mushroom Stipe (graptolite), a branch of a fossilized graptolite colony This disambiguation page lists articles associated...

Dithecodendridae is an extinct family of graptolites. List of genera from Maletz (2014): †Archaeolafoea Chapman, 1919 †Bulmanidendrum Obut, 1974 ? †Dalyia...

boundary of the Darriwilian is defined as the first appearance of the graptolite species Undulograptus austrodentatus around 467.3 million years ago. It...

meta-bentonites. The base was originally defined as the first appearance of the graptolite Akidograptus ascensus at Dob's Linn, but was later discovered to be imprecise...

Monograptus is a genus of graptolites in the order Graptoloidea. This particular genus is the last stage of the graptoloid evolution before its extinction...

fluctivagus. Where these conodonts are not found the appearance of planktonic graptolites or the trilobite Jujuyaspis borealis can be used. The boundary also corresponds...

commonly called acorn worms, and the Pterobranchia, which includes the graptolites. A third class, Planctosphaeroidea, is proposed based on a single species...

Fish-like Myllokunmingia, Haikouichthys, and Pikaia. First conodonts. First graptolites. Trilobites. Radiodonts, including earliest large predators known. All...

ancestor of the Chordata [human] lineage, Hemichordata (acorn worms and graptolites) and Echinodermata (starfish, sea urchins, sea cucumbers, etc.), probably...

Cysticamaridae is an extinct family of graptolites. List of genera from Maletz (2014): †Bithecocamara Kozłowski, 1949 †Cysticamara Kozłowski, 1949 †Erecticamara...

1974. The boundaries were established by the fauna of conodonts and/or graptolites. In 1995, the Subcommission on Ordovician Stratigraphy, with the support...