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Bairdemys

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Bairdemys
Temporal range: Late Oligocene-Late Miocene ~24–7.3 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Podocnemididae
Subtribe: †Stereogenyina
Genus: †Bairdemys
Gaffney & Wood 2002[1]
Type species
†Bairdemys hartsteini
Gaffney & Wood 2002
Species
  • †Bairdemys hartsteini Gaffney & Wood 2002[2]
  • †Bairdemys healeyorum Weems & Knight 2013[3]
  • †Bairdemys sanchezi Gaffney et al. 2008[4]
  • †Bairdemys thalassica Ferreira et al. 2015[5]
  • †Bairdemys venezuelensis Wood & Díaz 1971[6]
  • †Bairdemys winklerae Gaffney et al. 2008[7]

Bairdemys is an extinct genus of side-necked turtles in the family Podocnemididae. The genus existed from the Late Oligocene to Late Miocene and its fossils have been found in South Carolina, Puerto Rico, Panama and Venezuela. The genus was described in 2002 by Gaffney & Wood and the type species is B. hartsteini.

Description[edit]

The first species in the genus described was B. venezuelensis as Podocnemis venezuelensis by Wood and Díaz de Gamero in 1971.[8]

Species[edit]

  • †B. hartsteini Gaffney & Wood 2002[2]
  • †B. healeyorum Weems & Knight 2013[3]
  • †B. sanchezi Gaffney et al. 2008[4]
  • †B. thalassica Ferreira et al. 2015[5]
  • †B. venezuelensis Wood & Díaz 1971[6]
  • †B. winklerae Gaffney et al. 2008[7]

Phylogeny[edit]

Bairdemys was placed phylogenetically by Ferreira et al. in 2015.[9]

Distribution[edit]

Bairdemys is located in North America
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Bairdemys fossil locations
Urumaco Formation
Alajuela Formation
Capadare & Castillo Formations
Cibao Formation
Chandler Bridge Formation

Fossils of Bairdemys have been found in:[1]

Late Oligocene
Early-Mid Miocene
Late Miocene

See also[edit]

References[edit]

  1. ^ a b Bairdemys at Fossilworks.org
  2. ^ a b Bairdemys hartsteini at Fossilworks.org
  3. ^ a b Bairdemys healeyorum at Fossilworks.org
  4. ^ a b Bairdemys sanchezi at Fossilworks.org
  5. ^ a b Bairdemys thalassica at Fossilworks.org
  6. ^ a b Bairdemys venezuelensis at Fossilworks.org
  7. ^ a b Bairdemys winklerae at Fossilworks.org
  8. ^ Gaffney et al., 2008
  9. ^ Ferreira et al., 2015, p.10

Bibliography[edit]

Domning, D.P. 1997. Fossil Sirenia of the West Atlantic and Caribbean Region. VI. Crenatosiren olseni (Reinhart, 1976). Journal of Vertebrate Paleontology 17. 397–412. Accessed 2019-02-20.

Ferreira, Gabriel S.; Ascanio D. Rincón; Andrés Solórzano, and Max C. Langer. 2015. The last marine pelomedusoids (Testudines: Pleurodira): a new species of Bairdemys and the paleoecology of Stereogenyina. PeerJ 3. 1–29. Accessed 2019-02-20.

Gaffney, E.S.; T.M. Scheyer; K.G. Johnson; J. Bocquetin, and O.A. Aguilera. 2008. Two new species of the side necked turtle genus, Bairdemys (Pleurodira, Podocnemididae), from the Miocene of Venezuela. Paläontologische Zeitschrift 82. 209–229. Accessed 2019-02-20.

Gaffney, Eugene S., and Roger C. Wood. 2008. Bairdemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of the Caribbean. American Museum Novitates 3359. 1–28. Accessed 2019-02-20.

Lundberg, J.G., and O.A. Aguilera. 2003. The late Miocene Phractocephalus catfish (Siluriformes: Pimelodidae) from Urumaco, Venezuela: additional specimens and reinterpretation as a distinct species. Neotropical Ichthyology 1. 97–109. Accessed 2019-02-20.

MacFadden, Bruce J.; Douglas S. Jones; Nathan A. Jud; Jorge W. Moreno Bernal; Gary S. Morgan; Roger W. Portell; Victor J. Pérez; Sean M. Moran, and Aaron R. Wood. 2017. Integrated Chronology, Flora and Faunas, and Paleoecology of the Alajuela Formation, Late Miocene of Panama. PLoS ONE 12. 1–27. Accessed 2019-02-20.

MacPhee, R.D.E., and A.R. Wyss. 1990. Oligo-Miocene vertebrates from Puerto Rico, with a catalog of localities. American Museum Novitates 2965. 1–45. Accessed 2019-02-20.

Sánchez Villagra, M.R.; R.J. Burnham; D.C. Campbell; R.M. Feldmann; E.S. Gaffney; R.S. Kay; R. Lozsan; R. Purdy, and J.G.M. Thewissen. 2000. A new near-shore marine fauna and flora from the early Neogene of northwestern Venezuela. Journal of Paleontology 74. 957–968. Accessed 2019-02-20.

Scheyer, T.M., and M. Delfino. 2016. The late Miocene caimanine fauna (Crocodylia: Alligatoroidea) of the Urumaco Formation, Venezuela. Palaeontologia Electronica 19. 1–57. Accessed 2019-02-20.

Scheyer, T.M.; O.A. Aguilera; M. Delfino; D.C. Fortier; A.A. Carlini; R. Sánchez; J.D. Carrillo Briceño; L. Quiroz, and M.R. Sánchez Villagra. 2013. Crocodylian diversity peak and extinction in the late Cenozoic of the northern Neotropics. Nature Communications 4. 1–9. Accessed 2019-02-20.

Further reading[edit]

Wood, R.C., and M.L. Díaz. 1971. Podocnemis venezuelensis, a new fossil pelomedusid (Testudines, Pleurodira) from the Pliocene of Venezuela and a review of the history of Podocnemis in South America. Breviora 376. 1–23. .

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