Article · Wikipedia archive · Last revised Jun 9, 2026

Pseudoscapanorhynchidae

Pseudoscapanorhynchidae is a family of extinct mackerel sharks that lived during the Cretaceous and potentially the Paleogene. It currently includes Cretodus, Eoptolamna, Leptostyrax, Protolamna, Pseudoscapanorhynchus, and possibly Lilamna.

Last revised
Jun 9, 2026
Read time
≈ 1 min
Length
240 w
Citations
5
Source
Pseudoscapanorhynchidae
Temporal range:
Teeth and vertebrae of Cretodus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Division: Selachii
Order: Lamniformes
Family: Pseudoscapanorhynchidae
Herman, 19791
Genera
Synonyms
  • Cretodontidae
    Zhelezko in Zhelezko & Kozlov, 19992
  • Eoptolamnidae?
    Kriwet et al., 20083

Pseudoscapanorhynchidae is a family of extinct mackerel sharks that lived during the Cretaceous and potentially the Paleogene. It currently includes Cretodus, Eoptolamna, Leptostyrax, Protolamna, Pseudoscapanorhynchus, and possibly Lilamna.45

References

References

  1. Herman, J. (1979). "Réflexions sur la systématique des Galeoidei et sur les affinités du genre Cetorhinus à l'occasion de la découverte d'éléments de la denture d'un exemplaire fossile dans les Sables du Kattendijk à Kallo (Pliocène inférieur, Belgique)". Annales de la Société géologique de Belgique. 102 (1): 357–377.
  2. Zhelezko, V.I.; Kozlov, V.A. (1999). Elasmobrankhii i biostratigrafiya paleogena Zaural'ya i Sredney Azii [Elasmobranchii and Palaeogene biostratigraphy of Trans Urals and Central Asia]. Ekaterinburg: Russian Academy of Sciences, Urals Branch.
  3. Kriwet, J.; Klug, S.; Canudo, J.I.; Cuenca-Bescos, G. (2008). "A new Early Cretaceous lamniform shark (Chondrichthyes, Neoselachii)". Zoological Journal of the Linnean Society. 154 (2): 278–290. doi:10.1111/j.1096-3642.2008.00410.x.
  4. Shimada, K.; Everhart, M.J. (2019). "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. Bibcode:2019JVPal..39E3399S. doi:10.1080/02724634.2019.1673399. S2CID 209439997.
  5. Greenfield, T. (2021). "Lilamna nom. nov., a new replacement name for Archaeolamna Li, 1997 (Chondrichthyes: Lamniformes: ?Pseudoscapanorhynchidae)". Zoosystematica Rossica. 30 (2): 213–214. doi:10.31610/zsr/2021.30.2.213. S2CID 241795349.