The Nature LibraryEN·ES
iNat·86027FamilyAnimalia9 field observations
  1. Animals
  2. ›Chordates
  3. ›Vertebrates
  4. ›Cartilaginous Fishes
  5. ›Sharks and Rays
  6. ›Sharks
  7. ›Galean Sharks
  8. ›Ground Sharks
False Catsharks
Plate 1 of 10. (c) jgrimshaw, some rights reserved (CC BY-NC) · via iNaturalist

False Catsharks

Pseudotriakidae

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.

Continue reading on Wikipedia

3 branches of this family, most-observed first · about 5 known species

Gollumsharks

genusGollum

Pseudotriakis

genusPseudotriakis

Planonasus

genusPlanonasus

See this branch on the Wheel of Life →
§·

Where it lives

Recorded sightings

—

geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Pseudotriakidae in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 86027.