Jump to content

Tristychius: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
NobuTamura (talk | contribs)
added image
No edit summary
Tags: Mobile edit Mobile app edit
Line 13: Line 13:
}}
}}


'''''Tristychius''''' is an extinct genus of [[shark]] from the [[Carboniferous]] period. Fossils have been found in Scotland.
'''''Tristychius''''' is an extinct genus of [[shark]] from the [[Carboniferous]] period. Fossils have been found in [[Scotland]].


''Tristychius'' was a small shark, about {{convert|60|cm|ft|sigfig=1}} long. It had a well-developed upturned [[caudal fin]], similar to that of many modern sharks. Physically it may have resembled a modern [[Squaliformes|dogfish]]. ''Tristychius'' also had spikes attached to the bases of its [[dorsal fin]]s, probably for protection against predators.<ref name=EoDP>{{cite book |editor=Palmer, D.|year=1999 |title= The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals|publisher= Marshall Editions|location=London|page= 27|isbn= 1-84028-152-9}}</ref>
''Tristychius'' was a small shark, about {{convert|60|cm|ft|sigfig=1}} long. It had a well-developed upturned [[caudal fin]], similar to that of many modern sharks. Physically it may have resembled a modern [[Squaliformes|dogfish]]. ''Tristychius'' also had spikes attached to the bases of its [[dorsal fin]]s, probably for protection against predators.<ref name=EoDP>{{cite book |editor=Palmer, D.|year=1999 |title= The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals|publisher= Marshall Editions|location=London|page= 27|isbn= 1-84028-152-9}}</ref>

Revision as of 12:18, 30 October 2016

Tristychius
Temporal range: Early Carboniferous
Restoration
Scientific classification
Kingdom:
Phylum:
Class:
Subclass:
Order:
Genus:
Tristychius

Tristychius is an extinct genus of shark from the Carboniferous period. Fossils have been found in Scotland.

Tristychius was a small shark, about 60 centimetres (2 ft) long. It had a well-developed upturned caudal fin, similar to that of many modern sharks. Physically it may have resembled a modern dogfish. Tristychius also had spikes attached to the bases of its dorsal fins, probably for protection against predators.[1]

Life reconstruction of Tristychius arcuatus

References

  1. ^ Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 27. ISBN 1-84028-152-9.