Isurus

Isurus
Temporal range: Cretaceous - Recent
[1][2]
Shortfin mako shairk (I. oxyrinchus)
Langfin mako shairk (I. paucus)
Scientific classification
Kinrick: Animalia
Phylum: Chordata
Cless: Chondrichthyes
Subcless: Elasmobranchii
Superorder: Selachimorpha
Order: Lamniformes
Faimily: Lamnidae
Genus: Isurus
Rafinesque, 1810
Teep species
Isurus oxyrinchus
Rafinesque, 1810
Synonyms
  • Isuropsis Gill, 1862
  • Lamiostoma Glikman, 1964
  • Oxyrhina Agassiz, 1838
  • Oxyrrhina Bonaparte, 1846
  • Plectrostoma Gistel, 1848

Isurus is a genus o mackerel shairks in the faimily Lamnidae, commonly kent as the mako shairks.

The twa livin species are the common shortfin mako shairk (I. oxyrinchus) an the rare langfin mako shairk (I. paucus). They range in lenth frae 2.5 tae 4.5 m (8.2 tae 14.8 ft), an hae a approximate maximum wicht o 800 kg (1,800 lb).

Several extinct species are kent frae fossils foond in sediments frae Cretaceous tae Quaternary (age range: 99.7 tae 0.781 million years ago).[1]

The faimily Lamnidae includes the great white shairk an the porbeagle an aw. Mako shairks are capable o soummin at speeds up tae 60 km/h (37 mph), an jumpin up tae 7 m (23 ft) intae the air. The great white shairk is closely relatit tae a auncient mako shairk an aw, Isurus hastalis.

Species

The genus conteens these species:[1]

Fossil teeth o Isurus hastalis

See an aw

References

  1. ↑ a b c "Fossilworks". Archived frae the original on 11 September 2020. Retrieved 19 December 2016.
  2. ↑ Sepkoski, Jack (2002). "A compendium o fossil marine ainimal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 364: 560. Archived frae the original on 10 Mey 2012.
  3. ↑ Smith, J.L.B. Sharks of the Genus Isurus Rafinesque, 1810. Ichthyological Bulletin; No. 6. Department of Ichthyology, Rhodes University, Grahamstown, South Africa
  4. ↑ Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, William Collins Publishers Ltd, Auckland, New Zealand 1982 ISBN 0-00-216987-8
  5. ↑ "Isurus hastalis on Fossilworks". Archived frae the original on 29 Juin 2015. Retrieved 19 December 2016.

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