Biology:Asflapristis
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Asflapristis is an extinct genus of ptychotrygonid sclerorhynchoid that lived during the Late Cretaceous. It contains two valid species:[1] A. cristadentis from the Akrabou Formation of Morocco[2] and A. rugosa from the Eutaw Formation of Georgia[3] and Mississippi[4] and the Pleasant Creek Formation of North Carolina.[5] Articulated skeletons of A. cristadentis show it had secondarily lost the rostral denticles typical of sclerorhynchoids,[2] a process called "depristification".[6]
References
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<ref>tag; no text was provided for refs namedCase et al. 2001 - ↑ Cicimurri, D.J.; Ciampaglio, C.N.; Runyon, K.E. (2014). "Late Cretaceous elasmobranchs from the Eutaw Formation at Luxapalila Creek, Lowndes County, Mississippi". PalArch's Journal of Vertebrate Palaeontology 11 (2): 1–36. https://archives.palarch.nl/index.php/jvp/article/view/356.
- ↑ Cicimurri, D.J.; Weems, R.E. (2021). "First record of Ptychotrygon rugosum (Case, Schwimmer, Borodin, and Leggett, 2001) (Batomorphii, Sclerorhynchiformes, Ptychotrygonidae) in the United States Atlantic Coastal Plain". Journal of Vertebrate Paleontology 41 (2). doi:10.1080/02724634.2021.1933996.
- ↑ Greenfield, T. (2024). "Pristification: Defining the convergent evolution of saws in sharks and rays (Chondrichthyes, Neoselachii)". Mesozoic 1 (2): 121–124. doi:10.11646/MESOZOIC.1.2.3.
Wikidata ☰ Q131316176 entry
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