Ponerosteus: Difference between revisions
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{{Taxobox |
{{Taxobox |
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| name = ''Ponerosteus'' |
| name = ''Ponerosteus'' |
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| image = Fosilie druhu Procerosaurus exogyrarum.jpg |
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| image_width = 258px |
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| image_caption = Fossil bone of ''Ponerosteus'' (National Museum in [[Prague]]) |
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| fossil_range = [[Upper Cretaceous]] |
| fossil_range = [[Upper Cretaceous]] |
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| regnum = [[Animal]]ia |
| regnum = [[Animal]]ia |
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'''''Ponerosteus''''' is a dubious [[genus]] of [[archosaur]] which was first identified as "[[Iguanodon]] exogirarum" by [[Antonín Frič]] in 1878 for a specimen from the [[Cenomanian]] ([[Late Cretaceous]] of the [[Czech Republic]], near Holubice by [[Kralupy nad Vltavou]]<ref>https://dinosaurusblog.com/2015/07/28/druhohorni-plazi-v-cechach-iv/</ref>). He later (1905) renamed it ''[[Procerosaurus]]'', unaware that this name was already in use ([[Friedrich von Huene|von Huene]], 1902). It was renamed ''Ponerosteus exogyrarum'' (species name amended) by George Olshevsky in 2000; however, the [[taxon]] is considered a ''[[nomen dubium]]'' by most, as the [[holotype|type]] material is extremely poor, being apparently an internal cast of a [[tibia]] from an animal that may or may not be a [[dinosaur]]. The name ''Ponerosteus'' can be translated as "bad", "worthless", or "useless bone", which accurately describes the nature of the material. |
'''''Ponerosteus''''' is a dubious [[genus]] of [[archosaur]] which was first identified as "[[Iguanodon]] exogirarum" by [[Antonín Frič]] in 1878 for a specimen from the [[Cenomanian]] ([[Late Cretaceous]] of the [[Czech Republic]], near Holubice by [[Kralupy nad Vltavou]]<ref>https://dinosaurusblog.com/2015/07/28/druhohorni-plazi-v-cechach-iv/ Article about ''Ponerosteus'' find (in Czech)</ref>). He later (1905) renamed it ''[[Procerosaurus]]'', unaware that this name was already in use ([[Friedrich von Huene|von Huene]], 1902). It was renamed ''Ponerosteus exogyrarum'' (species name amended) by George Olshevsky in 2000; however, the [[taxon]] is considered a ''[[nomen dubium]]'' by most, as the [[holotype|type]] material is extremely poor, being apparently an internal cast of a [[tibia]] from an animal that may or may not be a [[dinosaur]]. The name ''Ponerosteus'' can be translated as "bad", "worthless", or "useless bone", which accurately describes the nature of the material. |
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==External links== |
==External links== |
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Revision as of 11:12, 9 May 2018
| Ponerosteus Temporal range: Upper Cretaceous
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| Fossil bone of Ponerosteus (National Museum in Prague) | |
| Scientific classification | |
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| Superorder: | uncertain
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| Genus: | Ponerosteus Olshevsky, 2000
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| Species | |
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Ponerosteus is a dubious genus of archosaur which was first identified as "Iguanodon exogirarum" by Antonín Frič in 1878 for a specimen from the Cenomanian (Late Cretaceous of the Czech Republic, near Holubice by Kralupy nad Vltavou[1]). He later (1905) renamed it Procerosaurus, unaware that this name was already in use (von Huene, 1902). It was renamed Ponerosteus exogyrarum (species name amended) by George Olshevsky in 2000; however, the taxon is considered a nomen dubium by most, as the type material is extremely poor, being apparently an internal cast of a tibia from an animal that may or may not be a dinosaur. The name Ponerosteus can be translated as "bad", "worthless", or "useless bone", which accurately describes the nature of the material.
External links
- George Olshevsky expands on the history of the taxon, on the Dinosaur Mailing List
- Fritsch, 1905. "Synopsis der Saurier der böhm. Kreideformation" [Synopsis of the saurians of the Bohemian Cretaceous formation]. Sitzungsberichte der königlich-böhmischen Gesellschaft der Wissenschaften, II Classe. 1905(8), 1-7.
References
- ^ https://dinosaurusblog.com/2015/07/28/druhohorni-plazi-v-cechach-iv/ Article about Ponerosteus find (in Czech)
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