Chondrichthyes - Lamniformes - Pseudoscapanorhynchidae
Alternative combinations: Lamna semiplicata, Otodus semiplicatus, Plicatolamna semiplicata
Synonyms: Cretodus michoni Coquand 1860, Lamna sulcata Geinitz 1843, Otodus crassus Woodward 1888, Otodus divaricatus Leidy 1872, Otodus michoni Coquand 1860, Otodus sulcatus Geinitz 1843, Scylliorhinus rugosus Williston 1900, Scyllium rugosum Williston 1900
Full reference: L. Agassiz. 1843. Recherches Sur Les Poissons Fossiles. Tome III (15me, 16me livraison) 157-390
Belongs to Cretodus according to J. K. Juranek and K. Shimada 2025
See also Agassiz 1843, Agassiz 1843, Barrois 1874, Cahuzac et al. 2007, Cappetta 1973, Cappetta 1980, Cappetta and Case 1999, Case 2001, Cicimurri 2001, Cook et al. 2008, Cook et al. 2013, Dalinkevičius 1935, Hay 1902, Hay 1903, Herman 1977, Leidy 1873, Maisch et al. 2021, Müller and Diedrich 1991, Schwimmer et al. 2002, Shimada and Martin 2008, Shimada et al. 2006, Thurmond 1971, Woodward 1889 and Woodward 1942
Sister taxa: Cretodus crassidens, Cretodus houghtonorum, Cretodus longiplicatus
Distribution:
• Cretaceous of Angola (1 collection), Belgium (3), Canada (3: Alberta), France (15), Germany (1), Lebanon (4), Lithuania (2), Tunisia (2), United States (26: Alabama, Colorado, Georgia, Kansas, Minnesota, Nebraska, New Mexico, South Dakota, Texas)
Total: 57 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.