• Thumbnail for Graptolite
    Graptolites are a group of colonial animals, members of the subclass Graptolithina within the class Pterobranchia. These filter-feeding organisms are...
    35 KB (3,462 words) - 20:35, 3 September 2024
  • Thumbnail for Dictyonema (graptolite)
    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:...
    3 KB (241 words) - 18:58, 18 July 2023
  • 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)...
    1 KB (64 words) - 04:03, 12 December 2023
  • Axonophora is an extinct suborder of graptolites. It primarily consists of the biserial graptolites, and also includes the retiolitids and monograptids...
    3 KB (165 words) - 14:46, 7 February 2021
  • 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
  • Thumbnail for List of graptolite genera
    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...
    42 KB (481 words) - 22:21, 17 July 2024
  • Thumbnail for Rhabdopleura
    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...
    5 KB (371 words) - 14:33, 14 June 2024
  • Silurian periods. The formation contains a high diversity of graptolite fossils. Graptolite fossil taxa found include: Monograptus priodon Retiolites geinitzianus...
    2 KB (159 words) - 12:28, 12 June 2024
  • lundgreni graptolite biozone. The first peak spans from the uppermost portion of the lundgreni biozone all the way to the praedeubeli-deubeli graptolite biozone...
    6 KB (708 words) - 18:47, 28 May 2024
  • Thumbnail for Ordovician
    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
  • Thumbnail for Geologic time scale
    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
  • Thumbnail for Chordate
    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
  • Thumbnail for Iberian Peninsula
    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
  • Thumbnail for Devonian
    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...
    2 KB (85 words) - 14:56, 7 February 2021
  • Thumbnail for Tenjong Dendang Formation
    formation in Malaysia. The band of graptolite- and trilobite-bearing shales interbedded in limestones preserves graptolite, brachiopod and trilobite fossils...
    3 KB (133 words) - 17:48, 16 July 2024
  • Thumbnail for Hemichordate
    commonly called acorn worms, and the Pterobranchia, which includes the graptolites. A third class, Planctosphaeroidea, is proposed based on a single species...
    25 KB (2,706 words) - 03:10, 5 September 2024
  • Thumbnail for Pterobranchia
    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...
    9 KB (764 words) - 12:58, 30 June 2024
  • Thumbnail for Silurian
    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...
    1 KB (79 words) - 21:59, 17 July 2024
  • stalk-like feature supporting the cap of a mushroom Stipe (graptolite), a branch of a fossilized graptolite colony This disambiguation page lists articles associated...
    391 bytes (88 words) - 18:48, 14 April 2024
  • Thumbnail for Llandovery Epoch
    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...
    13 KB (1,220 words) - 05:11, 11 August 2024
  • Thumbnail for Late Ordovician
    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
  • Thumbnail for Monograptus
    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...
    3 KB (198 words) - 04:40, 6 January 2024
  • It bears strong similarity to the graptolites - indeed for some time it was misclassified as a dendroid graptolite. Bengtson, S.; Urbanek, A. (1986),...
    2 KB (150 words) - 04:00, 5 March 2021
  • Thumbnail for Cambrian
    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
  • Thumbnail for Graptolitic argillite
    graptolitic argillite, this name is now considered a misnomer as the graptolite fossils in the rock, earlier considered dictyonemids, were reclassified...
    10 KB (952 words) - 19:24, 3 November 2023
  • Thumbnail for Cephalodiscus nigrescens
    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