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Pachycentrata

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Extinct genus of amphibians

Pachycentrata
Temporal range: Coniacian–Santonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pipidae
Subfamily: Pipinae
Genus: †Pachycentrata
Báez and Rage, 2004
Species: †P. taqueti
Binomial name
†Pachycentrata taqueti
(Báez and Rage, 1998)
Synonyms

Pachybatrachus taqueti Báez and Rage, 1998 (gen preoccupied)

Pachycentrata is an extinct genus of prehistoric amphibian.

Pachycentrata fossils have been found in the In Beceten Formation located in Tahoua, Niger. The fossils have been dated to the late/upper Coniacian to Santonian periods. It is estimated to have snout-vent length about 7 centimetres (2.8 in). The original phylogenetic analysis suggested that it was more closely related to Pipa than to Xenopus, and a recent phylogenetic supports this conclusion in an unconstrained phylogenetic analysis, but constraining for the topology obtained by molecular studies yields less resolved results that place Pachycentrata in an unresolved polytomy with extant pipids and several extinct pipimorphs.

See also

References

  1. ^ A. M. Báez and J.-C. Rage. 1998. Pipid frogs from the Upper Cretaceous of In Beceten, Niger. Palaeontology 41(4):669-691
  2. "Fossilworks". Paleodb.org. Retrieved 17 December 2021.
  3. Pyron, R. Alexander; Wiens, John J. (1 November 2011). "A large-scale phylogeny of Amphibia including over 2800 species, and a revised classification of extant frogs, salamanders, and caecilians". Molecular Phylogenetics and Evolution. 61 (2): 543–583. Bibcode:2011MolPE..61..543A. doi:10.1016/j.ympev.2011.06.012. ISSN 1055-7903. PMID 21723399.
  4. Irisarri, Iker; Vences, Miguel; San Mauro, Diego; Glaw, Frank; Zardoya, Rafael (27 April 2011). "Reversal to air-driven sound production revealed by a molecular phylogeny of tongueless frogs, family Pipidae". BMC Evolutionary Biology. 11 (1): 114. Bibcode:2011BMCEE..11..114I. doi:10.1186/1471-2148-11-114. ISSN 1471-2148. PMC 3111386. PMID 21524293.
  5. Lemierre, Alfred; Bailon, Salvador; Folie, Annelise; Laurin, Michel (January 2023). "A new pipid from the Cretaceous of Africa (In Becetèn, Niger) and early evolution of the Pipidae". Journal of Systematic Palaeontology. 21 (1). Bibcode:2023JSPal..2166428L. doi:10.1080/14772019.2023.2266428. ISSN 1477-2019.
Taxon identifiers
Pachybatrachus


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