Graptolites are a group of colonial animals, members of the subclass Graptolithina within the class Pterobranchia. These filter-feeding organisms are...
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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:...
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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)...
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Axonophora (redirect from Biserial graptolite)
Axonophora is an extinct suborder of graptolites. It primarily consists of the biserial graptolites, and also includes the retiolitids and monograptids...
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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...
4 KB (452 words) - 19:36, 22 August 2023
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...
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Rhabdopleura (category Graptolites)
Middle Cambrian, it is also considered to be the only living genus of graptolites. Rhabdopleura is the best studied pterobranch in developmental biology...
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Silurian periods. The formation contains a high diversity of graptolite fossils. Graptolite fossil taxa found include: Monograptus priodon Retiolites geinitzianus...
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lundgreni graptolite biozone. The first peak spans from the uppermost portion of the lundgreni biozone all the way to the praedeubeli-deubeli graptolite biozone...
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Graptolites, which evolved in the preceding Cambrian period, thrived in the oceans. This includes the distinctive Nemagraptus gracilis graptolite fauna...
80 KB (7,650 words) - 01:09, 14 September 2024
crinoids (only articulates survived), and all eurypterids, trilobites, graptolites, hyoliths, edrioasteroid crinozoans, blastoids and acanthodians. Ouachita...
172 KB (9,500 words) - 18:25, 11 September 2024
branched tentacles, and has a short, shield-shaped proboscis. The extinct graptolites, colonial animals whose fossils look like tiny hacksaw blades, lived...
55 KB (5,168 words) - 13:54, 31 August 2024
Artur A.; Meireles, Carlos; González-Clavijo, E. (1 June 2006). "Silurian graptolite biostratigraphy of the Galicia – Tras-os-Montes Zone (Spain and Portugal)"...
131 KB (14,027 words) - 21:46, 15 September 2024
System Time span formality Formal Lower boundary definition FAD of the Graptolite Monograptus uniformis Lower boundary GSSP Klonk, Czech Republic 49°51′18″N...
69 KB (7,558 words) - 05:00, 11 August 2024
Dithecodendridae (category Graptolites)
Dithecodendridae is an extinct family of graptolites. List of genera from Maletz (2014): †Archaeolafoea Chapman, 1919 †Bulmanidendrum Obut, 1974 ? †Dalyia...
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formation in Malaysia. The band of graptolite- and trilobite-bearing shales interbedded in limestones preserves graptolite, brachiopod and trilobite fossils...
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commonly called acorn worms, and the Pterobranchia, which includes the graptolites. A third class, Planctosphaeroidea, is proposed based on a single species...
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clade as the extinct graptolites, and phylogenetic analysis suggests that the pterobranchs are living members of the graptolite clade. Pterobranchs are...
16 KB (1,232 words) - 11:53, 25 April 2024
boundary of the Darriwilian is defined as the first appearance of the graptolite species Undulograptus austrodentatus around 467.3 million years ago. It...
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1835 Time span formality Formal Lower boundary definition FAD of the Graptolite Akidograptus ascensus Lower boundary GSSP Dob's Linn, Moffat, United Kingdom...
59 KB (5,803 words) - 01:15, 12 September 2024
Acanthograptidae (category Graptolites)
Acanthograptidae is an extinct family of graptolites. List of genera from Maletz (2014): †Acanthograpsus Spencer, 1878 †Boiophyton Obrhel, 1959 †Koremagraptus...
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stalk-like feature supporting the cap of a mushroom Stipe (graptolite), a branch of a fossilized graptolite colony This disambiguation page lists articles associated...
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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...
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mass-extinction events that seriously affected planktonic forms like conodonts, graptolites, and some groups of trilobites (Agnostida and Pytchopariida, which completely...
3 KB (283 words) - 05:27, 11 August 2024
Didymograptidae (category Graptolites)
Didymograptidae is an extinct family of graptolites. List of genera from Maletz (2014): †Aulograptus Skevington, 1965 †Baltograptus Maletz, 1994 †Cladograpsus...
2 KB (88 words) - 14:55, 7 February 2021
Monograptus (category Graptolite genera)
Monograptus is a genus of graptolites in the order Graptoloidea. This particular genus is the last stage of the graptoloid evolution before its extinction...
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It bears strong similarity to the graptolites - indeed for some time it was misclassified as a dendroid graptolite. Bengtson, S.; Urbanek, A. (1986),...
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fluctivagus. Where these conodonts are not found the appearance of planktonic graptolites or the trilobite Jujuyaspis borealis can be used. The boundary also corresponds...
86 KB (9,075 words) - 08:58, 13 September 2024
Graptolitic argillite (redirect from Graptolite argillite)
graptolitic argillite, this name is now considered a misnomer as the graptolite fossils in the rock, earlier considered dictyonemids, were reclassified...
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World Register of Marine Species. Retrieved September 17, 2020. Maletz, Jörg. (2017) Graptolite Paleobiology. Wiley-Blackwell. ISBN 9781118515617 v t e...
1 KB (84 words) - 06:32, 10 March 2024