''Pseudotothyris'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of armored catfishes native to South America.

Taxonomy

Within the tribe Otothyrini, ''Pseudotothyris'' has a sister group relationship with ''

Otothyris ''Otothyris'' is a genus of armored catfishes endemic to Brazil. Species There are currently four recognized species in this genus: * '' Otothyris juquiae'' Garavello, Britski & Schaefer, 1998 * '' Otothyris lophophanes'' (Eigenmann & Eigenma ...

''. In turn, ''

Otothyropsis ''Otothyropsis'' is a genus of armored catfishes native to South America. Species There are currently 5 recognized species in this genus: * '' Otothyropsis alicula'' Lippert, Calegari & Reis, 2014 Lippert, B.G., Calegari, B.B. & Reis, R.E. (2 ...

'' has a sister group relationship with the clade ''Otothyris'' plus ''Pseudotothyris''. These three genera and '' Schizolecis'' share unique specializations of the cranium associated with an enlarged

swimbladder The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish) to control their buoyancy, and thus to stay at their current water depth wit ...

capsule. The degree of development of the swimbladder capsule in these genera was not found in any other member of the Otothyrini.

Species

There are currently 3 recognized species in this genus: * '' Pseudotothyris ignota'' Martins, Britski & Langeani, 2014 Martins, F.O., Britski, H.A. & Langeani, F. (2014): Systematics of ''Pseudotothyris'' (Loricariidae: Hypoptopomatinae). ''Zoological Journal of the Linnean Society, 170 (4): 822–874.'' * '' Pseudotothyris janeirensis'' Britski & Garavello, 1984 * '' Pseudotothyris obtusa'' Miranda-Ribeiro, 1911

References

{{Taxonbar, from=Q5029351 Otothyrinae Taxa named by Heraldo Antonio Britski Taxa named by Júlio César Garavello Fish of South America Catfish genera Freshwater fish genera