Tarrasiiformes

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Tarrasiiformes
Temporal range: Carboniferous
†Paratarrasius hibbardi Lund and Melton Jr. 1982 from the Mississippian (Serpukhovian) Heath Formation of Bear Gulch, Montana
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: †Tarrasiiformes
Families

Tarasiiformes is an extinct order of prehistoric ray-finned fish.[1]

Taxonomy

  • Order †Tarrasiiformes sensu Lund & Poplin 2002 [Haplistia][2][3][4]
    • Family †Tarrasiidae Traquair 1881 emend. Woodward 1891
      • Genus †Apholidotos Lund ex Frickinger 1991 nomen novum
      • Genus †Paratarrasius Lund & Melton 1982
        • Species †Paratarrasius hibbardi Lund & Melton 1982
      • Genus †Tarrasius Traquair 1881

Timeline of genera

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 id:ANK 	 value:rgb(0.4,0.3,0.196)
 id:HER	  value:teal
 id:HAD	  value:green
 id:OMN	  value:blue
 id:black        value:black
 id:white        value:white
 id:paleozoic     value:rgb(0.6,0.75,0.55)
 id:cambrian   value:rgb(0.49,0.63,0.33)
 id:ordovician   value:rgb(0,0.57,0.44)
 id:silurian   value:rgb(0.70,0.88,0.71)
 id:devonian   value:rgb(0.8,0.55,0.22)
 id:earlydevonian   value:rgb(0.90,0.71,0.43)
 id:middledevonian   value:rgb(0.96,0.81,0.51)
 id:latedevonian   value:rgb(0.96,0.89,0.71)
 id:carboniferous   value:rgb(0.4,0.65,0.6)
 id:mississippian value:rgb(0.4,0.56,0.4)
 id:pennsylvanian value:rgb(0.8,0.77,0.53)
 id:permian   value:rgb(0.94,0.25,0.24)
 id:mesozoic     value:rgb(0.38,0.77,0.79)
 id:triassic     value:rgb(0.51,0.17,0.57) 
 id:jurassic     value:rgb(0.2,0.7,0.79) 
 id:cretaceous   value:rgb(0.5,0.78,0.31)
 id:cenozoic     value:rgb(0.95,0.98,0.11)
 id:paleogene   value:rgb(0.99,0.6,0.32)
 id:neogene   value:rgb(0.999999,0.9,0.1)
 id:quaternary   value:rgb(0.98,0.98,0.50)

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bar:NAM1
bar:NAM2
bar:NAM3
bar:NAM4

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align:center textcolor:black fontsize:M mark:(line,black) width:25 
shift:(7,-4)
 
bar:periodtop
from: -416    till: -411.2   color:earlydevonian    text:Loch.
from: -411.2    till: -407   color:earlydevonian    text:Prag.
from: -407    till: -397.5   color:earlydevonian    text:Ems.
from: -397.5    till: -391.8   color:middledevonian    text:Eif.
from: -391.8    till: -385.3   color:middledevonian    text:Givetian
from: -385.3    till: -374.5   color:latedevonian    text:Frasnian
from: -374.5    till: -359.2   color:latedevonian    text:Famennian
from: -359.2    till: -345.3   color:mississippian text:Tournaisian
from: -345.3    till: -328.3   color:mississippian text:Viséan
from: -328.3    till: -318.1   color:mississippian text:Serpukhov.
from: -318.1    till: -311.7   color:pennsylvanian text:Bashkir.
from: -311.7    till: -306.5   color:pennsylvanian text:Mosc.
from: -306.5    till: -303.9   color:pennsylvanian text:K.
from: -303.9    till: -299   color:pennsylvanian text:Gzh.

bar:eratop
from: -416    till: -359.2   color:devonian    text:Devonian
from: -359.2    till: -299   color:carboniferous    text:Carboniferous

PlotData= 

align:left fontsize:M mark:(line,white) width:5 anchor:till align:left

color:mississippian bar:NAM2  from:-345.3    till:-328.3 text:Tarrasius
color:mississippian bar:NAM3  from:-328.3    till:-325 text:Paratarrasius
color:pennsylvanian bar:NAM4  from:-308.23    till:-306.5 text:Palaeophichthys

PlotData= 

align:center textcolor:black fontsize:M mark:(line,black) width:25 
 
bar:period
from: -416    till: -411.2   color:earlydevonian    text:Loch.
from: -411.2    till: -407   color:earlydevonian    text:Prag.
from: -407    till: -397.5   color:earlydevonian    text:Ems.
from: -397.5    till: -391.8   color:middledevonian    text:Eif.
from: -391.8    till: -385.3   color:middledevonian    text:Givetian
from: -385.3    till: -374.5   color:latedevonian    text:Frasnian
from: -374.5    till: -359.2   color:latedevonian    text:Famennian
from: -359.2    till: -345.3   color:mississippian text:Tournaisian
from: -345.3    till: -328.3   color:mississippian text:Viséan
from: -328.3    till: -318.1   color:mississippian text:Serpukhov.
from: -318.1    till: -311.7   color:pennsylvanian text:Bashkir.
from: -311.7    till: -306.5   color:pennsylvanian text:Mosc.
from: -306.5    till: -303.9   color:pennsylvanian text:K.
from: -303.9    till: -299   color:pennsylvanian text:Gzh.

bar:era
from: -416    till: -359.2   color:devonian    text:Devonian
from: -359.2    till: -299   color:carboniferous    text:Carboniferous

</timeline>

Tarrasius is an extinct genus of Tarasiiformes. Tarrasius problematicus (of Mississippian origin, ~ 350 Ma) featured a fully regionalized tetrapod-like spine divided into 5 distinct segments.[5][6] It is not considered a transitional fossil though, but an extreme example of convergent evolution.

See also

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Bibliography

  • Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2011-05-17.

References

  1. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2009-02-27.
  2. ^ Haaramo, Mikko (2007). "Chordata – lancets, tunicates, and vertebrates". Mikko's Phylogeny Archive. Retrieved 30 December 2016.
  3. ^ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 978-1-118-34233-6.
  4. ^ van der Laan, Richard (2016). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)
  5. ^ Lauren Cole Sallan (23 May 2012). "Tetrapod-like axial regionalization in an early ray-finned fish". Proceedings of the Royal Society B. 279 (1741): 3264–3271. doi:10.1098/rspb.2012.0784. PMC 3385743. PMID 22628471.
  6. ^ "Human-Like Spine Morphology Found in Aquatic Eel Fossil". Science Daily. May 22, 2012.

External links

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