Cretodus

Cretodus
Temporal range: Cenomanian - Coniacian
C. crassidens teeth from the Turonian of Italy
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Lamniformes
Family: †Pseudoscapanorhynchidae
Genus: †Cretodus
Sokolov, 1965
Type species
†Cretodus crassidens
Dixon, 1850
Species
  • †C. crassidens Dixon, 1850
  • †C. semiplicatus Agassiz, 1843
  • †C. longiplicatus Werner, 1989
  • †C. gigantea Case, 2001
  • †C. houghtonorum Shimada & Everhart, 2019

Cretodus is an extinct genus of large mackerel sharks belonging to the proposed family Pseudoscapanorhynchidae.[1] Cretodus lived during the Late Cretaceous, ranging from the Cenomanian[2] to the Coniacian[3] (approximately 100 to 89 million years ago). The genus is well-known from strata deposited in the Western Interior Seaway (North America),[1][2][3] and from the Late Cretaceous of Europe,[4] Africa, and possibly Asia.[citation needed] Cretodus is primarily represented in the fossil record by isolated teeth and vertebral centra, though a couple of associated dentitions and vertebral columns have been found.[1][4]

  1. ^ a b c Shimada, Kenshu; Everhart, Michael J. (2019-07-04). "A new large Late Cretaceous lamniform shark from North America, with comments on the taxonomy, paleoecology, and evolution of the genus Cretodus". Journal of Vertebrate Paleontology. 39 (4): e1673399. doi:10.1080/02724634.2019.1673399. ISSN 0272-4634. S2CID 209439997.
  2. ^ a b Cicimurri, D. J. (2001). "Fossil selachians from the Belle Fourche Shale (Cretaceous, Cenomanian), Black Hills region of South Dakota and Wyoming." Mountain Geologist, 38:181-192.
  3. ^ a b Hamm S.A. & Cicimurri D. J. (2011). "Early Coniacian (Late Cretaceous) selachian fauna from the basal Atco Formation, lower Austin Group, north central Texas." Paludicola, 8(3): 107-127.
  4. ^ a b Amalfitano, Jacopo; Dalla Vecchia, Fabio Marco; Carnevale, Giorgio; Fornaciari, Eliana; Roghi, Guido; Giusberti, Luca (2022-05-10). "Morphology and paleobiology of the Late Cretaceous large-sized shark Cretodus crassidens (Dixon,1850) (Neoselachii; Lamniformes)" (PDF). Journal of Paleontology: 1–23. doi:10.1017/jpa.2022.23. ISSN 0022-3360.