Lanthaniscus

Lanthaniscus is an extinct genus of lanthanosuchoid ankyramorph parareptile known from the Guadalupian epoch (Late Roadian to latest Wordian age) of Eastern Europe, Russia.[1] Lanthaniscus was first named by M. F. Ivakhnenko in 1980 and the type species is Lanthaniscus efremovi. L. efremovi was originally described on the basis of the holotype PIN 3706/9 from Peza-1 locality, Krasnoshchel' Formation, of Arkhangelsk.[2] Various authors had assigned it to the family Lanthanosuchidae;[3][4] however, Ivakhnenko, who described an additional specimen of L. efremovi in 2008, assigned Lanthaniscus to its own family, the Lanthaniscidae. The additional specimen PIN 4543/2, was collected from the same formation as the holotype, from the Nisogora locality, which is slightly younger in age.[2]

Lanthaniscus
Temporal range: Middle Permian,
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: †Parareptilia
Order: †Procolophonomorpha
Family: †Lanthaniscidae
Ivakhnenko, 2008
Genus: †Lanthaniscus
Ivakhnenko, 1980
Type species
†Lanthaniscus efremovi
Ivakhnenko, 1980

References
  1. Marcello Ruta; Juan C. Cisneros; Torsten Liebrect; Linda A. Tsuji; Johannes Muller (2011). "Amniotes through major biological crises: faunal turnover among Parareptiles and the end-Permian mass extinction". Palaeontology. 54 (5): 1117–1137. doi:10.1111/j.1475-4983.2011.01051.x.
  2. M. F. Ivakhnenko (2008). "Podklass Parareptilia". In M. F. Ivakhnenko; E. N. Kurotchkin (eds.). [Fossil vertebrates of Russia and adjacent countries: Fossil reptiles and birds, Part 1] (in Russian). GEOS, Moscow. pp. 49–85.
  3. Michael deBraga; Robert R. Reisz (1996). "The Early Permian Reptile Acleistorhinus pteroticus and Its Phylogenetic Position". Journal of Vertebrate Paleontology. 16 (3): 384–395. doi:10.1080/02724634.1996.10011328. JSTOR 4523731.
  4. deBraga, M. and Rieppel, O. (1997). "Reptile phylogeny and the interrelationships of turtles." Zoological Journal of the Linnean Society, 120: 281-354.


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