Pseudotriakidae

Family of sharks

Pseudotriakidae
False catshark
(Pseudotriakis microdon)
Slender smooth-hound
(Gollum attenuatus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Subdivision: Selachimorpha
Order: Carcharhiniformes
Family: Pseudotriakidae
T. N. Gill, 1893
Genera[1]
  • Gollum
  • Planonasus
  • Pseudotriakis

The Pseudotriakidae are a small family of ground sharks, belonging to the order Carcharhiniformes, containing the false catsharks (genera Pseudotriakis and Planonasus) and gollumsharks (genus Gollum). It contains the only ground shark species that exhibit intrauterine oophagy, in which developing fetuses are nourished by eggs produced by their mother.[1]

Undescribed species

One undescribed species is known - one in the genus Gollum, (Gollum sp. B) - the white-marked gollumshark.[2][3]

References

Wikispecies has information related to Pseudotriakidae.
  1. ^ a b Froese, Rainer, and Daniel Pauly, eds. (2012). "Pseudotriakidae" in FishBase. December 2012 version.
  2. ^ Compagno, L.J.V.; M. Dando & S. Fowler (2005). Sharks of the World. Princeton University Press. pp. 257–260. ISBN 978-0-691-12072-0.
  3. ^ Weigmann, S., Stehmann, M.F.W. & Thiel, R. (2013): Planonasus parini n. g. and n. sp., a new genus and species of false cat sharks (Carchariniformes, Pseudotriakidae) from the deep northwestern Indian Ocean off Socotra Islands. Zootaxa, 3609 (2): 163–181.
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Extant ground shark species
Carcharhinidae
(Requiem sharks)
  • (see Carcharhinidae)
Hemigaleidae
(Weasel sharks)
Hemipristis
  • Snaggletooth shark (H. elongata)
Chaenogaleus
  • Hooktooth shark (C. macrostoma)
Hemigaleus
  • Australian weasel shark (H. australiensis)
  • Sicklefin weasel shark (H. microstoma)
Paragaleus
  • Whitetip weasel shark (P. leucolomatus)
  • Atlantic weasel shark (P. pectoralis)
  • Slender weasel shark (P. randalli)
  • Straight-tooth weasel shark (P. tengi)
Leptochariidae
Leptocharias
  • Barbeled houndshark (L. smithii)
Proscylliidae
(Finback catsharks)
Ctenacis
  • Harlequin catshark (C. fehlmanni)
Eridacnis
  • Cuban ribbontail catshark (E. barbouri)
  • Pygmy ribbontail catshark (E. radcliffei)
  • African ribbontail catshark (E. sinuans)
Proscyllium
  • Graceful catshark (P. habereri)
  • Magnificent catshark (P. magnificum)
  • P. venustum
Pseudotriakidae
Gollum
  • Slender smooth-hound (G. attenuatus)
  • Sulu gollumshark (G. suluensis)
Planonasus
Dwarf false catshark (P. parini)
Pseudotriakis
  • False catshark (P. microdon)
Scyliorhinidae
(Catsharks)
(see Scyliorhinidae)
Sphyrnidae
(Hammerhead sharks)
Eusphyra
  • Winghead shark (E. blochii)
Sphyrna
  • Scalloped bonnethead (S. corona)
  • Whitefin hammerhead (S. couardi)
  • Carolina hammerhead (S. gilberti)
  • Scalloped hammerhead (S. lewini)
  • Scoophead (S. media)
  • Great hammerhead (S. mokarran)
  • Bonnethead (S. tiburo)
  • Smalleye hammerhead (S. tudes)
  • Smooth hammerhead (S. zygaena)
Triakidae
(Houndsharks)
  • (see Triakidae)
Taxon identifiers
Pseudotriakidae


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