PBDB Taxon

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Cretodus semiplicatus

Chondrichthyes - Lamniformes - Pseudoscapanorhynchidae

Taxonomy

Otodus semiplicatus was named by Agassiz (1843).

It was recombined as Lamna semiplicata by Woodward (1889), Dalinkevičius (1935), Cappetta (1973), Edwards (1976), Evetts (1979); it was recombined as Plicatolamna semiplicata by Herman (1977), Cappetta (1980); it was recombined as Cretodus semiplicatus by Wolberg (1985), Wolberg (1985), Müller and Diedrich (1991), Williamson et al. (1993), Cappetta and Case (1999), Lucas et al. (2000), Cicimurri (2001), Cicimurri (2001), Case (2001), Antunes and Cappetta (2002), Schwimmer et al. (2002), Cuny et al. (2004), Sealey et al. (2006), Shimada et al. (2006), Shimada and Martin (2008), Cook et al. (2008), Spielmann et al. (2009), Cook et al. (2013), Maisch et al. (2021), Salvino et al. (2025), Juranek and Shimada (2025).

Sister species lacking formal opinion data

C. appendiculata, C. sulcatus

Synonyms

Otodus sulcatus was named by Geinitz (1843).

It was recombined as Lamna sulcata by Woodward (1889), Thurmond (1971); it was synonymized subjectively with Plicatolamna semiplicata by Herman (1977); it was synonymized subjectively with Cretodus semiplicatus by Shimada et al. (2006).
Otodus divaricatus was named by Leidy (1872).

It was synonymized subjectively with Plicatolamna semiplicata by Herman (1977); it was synonymized subjectively with Cretodus semiplicatus by Shimada et al. (2006).
Scyllium rugosum was named by Williston (1900).

It was recombined as Scylliorhinus rugosus by Hay (1902); it was synonymized subjectively with Plicatolamna semiplicata by Herman (1977); it was synonymized subjectively with Cretodus semiplicatus by Shimada et al. (2006).
Otodus michoni was named by Coquand (1860).

It was synonymized subjectively with Plicatolamna semiplicata by Herman (1977); it was synonymized subjectively with Cretodus semiplicatus by Shimada et al. (2006); it was recombined as Cretodus michoni by Cahuzac et al. (2007).
Otodus crassus was named by Woodward (1888).

It was synonymized subjectively with Plicatolamna semiplicata by Herman (1977); it was synonymized subjectively with Cretodus semiplicatus by Shimada et al. (2006).

Synonymy list

Year	Name and author
1843	Otodus semiplicatus Agassiz figs. Pl 36, figs 32,33
1843	Otodus sulcatus Geinitz p. 5
1860	Otodus michoni Coquand
1872	Otodus divaricatus Leidy
1873	Otodus divaricatus Leidy p. 305
1873	Otodus semiplicatus Leidy p. 306
1874	Otodus semiplicatus Barrois p. 106
1874	Otodus sulcatus Barrois p. 106
1888	Otodus crassus Woodward p. 292
1889	Lamna semiplicata Woodward p. 397
1889	Lamna sulcata Woodward p. 398
1900	Scyllium rugosum Williston
1902	Otodus divaricatus Hay p. 304
1902	Scylliorhinus rugosus Hay p. 310
1903	Otodus sulcatus Hay p. 397 figs. Pl 26, figs 3,4
1935	Lamna semiplicata Dalinkevičius p. 271 figs. Pl 5, figs 110,111
1942	Otodus sulcatus Woodward p. 562
1971	Lamna sulcata Thurmond pp. 218-220
1973	Lamna semiplicata Cappetta p. 506 figs. Pl 1, figs 7-7'
1976	Lamna semiplicata Edwards p. 68
1977	Plicatolamna semiplicata Herman p. 197 figs. Pl 8, fig 1
1979	Lamna semiplicata Evetts p. 63 figs. Pl 1, fig 48
1980	Plicatolamna semiplicata Cappetta p. 97 figs. Pl 7, fig 3
1985	Cretodus semiplicatus Wolberg p. 4 fig. 3F,G,J
1991	Cretodus semiplicatus Müller and Diedrich p. 33
1993	Cretodus semiplicatus Williamson et al. p. 453 figs. 5.6-5.11
1999	Cretodus semiplicatus Cappetta and Case p. 21 figs. Pl 14, figs 1-4; text-figs 3,4
2000	Cretodus semiplicatus Lucas et al. p. 123 fig. 5,F
2001	Cretodus semiplicatus Case p. 108 figs. Pl 2, fig 8
2001	Cretodus semiplicatus Cicimurri p. 34 fig. 7F,G
2002	Cretodus semiplicatus Antunes and Cappetta p. 125 figs. Pl 10, figs 4-6
2002	Cretodus semiplicatus Schwimmer et al. p. 704 figs. Fig. 1
2004	Cretodus semiplicatus Cuny et al. p. 131 figs. Pl 1, figs 11-16
2006	Cretodus semiplicatus Sealey et al. p. 137 figs. 7A-C
2006	Cretodus semiplicatus Shimada et al. p. 14 figs. 10.3, 10.4
2007	Cretodus michoni Cahuzac et al. p. 16
2008	Cretodus semiplicatus Cook et al. p. 1190 fig. 4D
2008	Cretodus semiplicatus Shimada and Martin p. 94 fig. 6I
2009	Cretodus semiplicatus Spielmann et al. p. 317 fig. 2M
2013	Cretodus semiplicatus Cook et al. p. 574 fig. 12A
2021	Cretodus semiplicatus Maisch et al. pp. 10, 15 figs. 7L-M
2025	Cretodus semiplicatus Juranek and Shimada p. 12 fig. 4H
2025	Cretodus semiplicatus Salvino et al. p. 120 fig. 3H

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Chondrichthyes

Rank	Name	Author
infraclass	Elasmobranchii	(Bonaparte 1838)
—	Euselachii	()
—	Neoselachii	Compagno 1977
superorder	Galeomorphii	Compagno 1973
order	Lamniformes	Berg 1958
family	Pseudoscapanorhynchidae
genus	Cretodus	Sokolov 1965
species	semiplicatus	()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Cretodus semiplicatus Agassiz 1843

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Invalid names: Otodus crassus Woodward 1888 [synonym], Otodus divaricatus Leidy 1872 [synonym], Otodus michoni Coquand 1860 [synonym], Otodus sulcatus Geinitz 1843 [synonym], Scyllium rugosum Williston 1900 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

marinesubp

Locomotion:

actively mobileo

Life habit:

nektonico

Diet:

carnivoreo

Created:

2009-07-21 07:05:21

Modified:

2009-07-21 09:05:21

Source: o = order, subp = subphylum

References: Hendy et al. 2009, Wagner 2023, Carroll 1988

Age range: base of the Late/Upper Aptian to the top of the Santonian or 119.57000 to 83.60000 Ma

Collections (69 total)

Time interval	Ma	Country or state	Original ID and collection number
Aptian	121.4 - 113.2	USA (Texas)	Lamna sulcata (99154)
Late/Upper Aptian - Early/Lower Albian	119.57 - 110.1	Tunisia (Tataouine)	Cretodus semiplicatus (125935)
Early/Lower Albian	113.2 - 110.1	USA (Texas)	Lamna sulcata (99146)
Early/Lower Albian	113.2 - 110.1	France (Champagne-Ardenne)	Otodus sulcatus (55335)
Albian	113.2 - 100.5	Tunisia (Tataouine)	Cretodus semiplicatus (116297)
Albian	113.2 - 100.5	USA (Texas)	Lamna sulcata (99143 99147 99149 99152 99155 99157 99158)
Late/Upper Albian	106.3 - 100.5	Lithuania	Lamna semiplicata (213709 213710)
Late/Upper Albian	106.3 - 100.5	USA (Texas)	Cretodus semiplicatus (213307)
Cenomanian	100.5 - 93.9	Angola	Cretodus semiplicatus (275502)
Cenomanian	100.5 - 93.9	France	Cretodus semiplicatus (242208)
Early/Lower Cenomanian	100.5 - 93.9	France (Poitou-Charentes)	Cretodus semiplicatus (73862 77229 77230 77232)
Early/Lower Cenomanian	100.5 - 93.9	Germany	Cretodus semiplicatus (210063)
Early/Lower Cenomanian	100.5 - 93.9	France	Cretodus semiplicatus (242279)
Late/Upper Cenomanian	100.5 - 93.9	USA (New Mexico)	Cretodus semiplicatus (276883)
Late/Upper Cenomanian	100.5 - 93.9	USA (Minnesota)	Cretodus semiplicatus (61819)
Late/Upper Cenomanian	100.5 - 93.9	France	Plicatolamna semiplicata (241896)
Late/Upper Cenomanian	100.5 - 93.9	USA (Kansas)	Cretodus semiplicatus (213416 213419)
Late/Upper Cenomanian	100.5 - 93.9	Lebanon	Otodus sulcatus (221230 221233) Plicatolamna semiplicata (69118 213132)
Late/Upper Cenomanian	100.5 - 93.9	France (Poitou-Charentes)	Cretodus semiplicatus (88991 110466)
Late/Upper Cenomanian	100.5 - 93.9	USA (Arizona)	Cretodus semiplicatus (55990 276873)
Late/Upper Cenomanian	100.5 - 93.9	USA (South Dakota)	Cretodus semiplicatus (275635)
Middle Cenomanian	100.5 - 93.9	USA (South Dakota)	Cretodus semiplicatus (241422 241423)
Middle Cenomanian	100.5 - 93.9	USA (Colorado)	Cretodus semiplicatus (35429)
Middle Cenomanian	100.5 - 93.9	Canada (Alberta)	Cretodus semiplicatus (213314 213318)
Middle Cenomanian	100.5 - 93.9	USA (Nebraska)	Cretodus semiplicatus (213401 239336)
Middle Cenomanian	100.5 - 93.9	USA (Kansas)	Cretodus semiplicatus (83071 277286)
Middle Cenomanian	100.5 - 93.9	France	Cretodus semiplicatus (242280)
Cenomanian - Early/Lower Turonian	100.5 - 89.8	Angola	Cretodus semiplicatus (275404)
Early/Lower Turonian	93.9 - 89.8	Canada (Alberta)	Cretodus semiplicatus (136242)
Late/Upper Turonian	93.9 - 89.8	France (Nord-Pas de Calais)	Otodus semiplicatus (113591)
Late/Upper Turonian	93.9 - 89.8	USA (Texas)	Cretodus semiplicatus (213299)
Late/Upper Turonian	93.9 - 89.8	USA (Colorado)	Lamna semiplicata (276552)
Middle Turonian	93.9 - 89.8	USA (South Dakota)	Lamna semiplicata (213291)
Middle Turonian	93.9 - 89.8	USA (Wyoming)	Lamna semiplicata (276595 276596)
Middle Turonian	93.9 - 89.8	USA (New Mexico)	Cretodus semiplicatus (179267)
Middle Turonian	93.9 - 89.8	Belgium	Plicatolamna semiplicata (241974)
Middle Turonian	93.9 - 89.8	France	Plicatolamna semiplicata (241894)
Middle Turonian	93.9 - 89.8	USA (Arizona)	Cretodus semiplicatus (53511)
Middle Turonian - Late/Upper Turonian	93.9 - 89.8	USA (New Mexico)	Cretodus semiplicatus (276890)
Turonian	93.9 - 89.8	France (Charente)	Cretodus semiplicatus (161748)
Turonian - Coniacian	93.9 - 85.7	USA (New Mexico)	Cretodus semiplicatus (221290)
Early/Lower Coniacian	89.8 - 85.7	Belgium	Plicatolamna semiplicata (241895)
Early/Lower Coniacian	89.8 - 85.7	France	Otodus semiplicatus (242174)
Coniacian - Santonian	89.8 - 83.6	Belgium (Namur)	Plicatolamna semiplicata (51518)
Late/Upper Santonian	85.7 - 83.6	Germany	Cretodus semiplicatus (177609)
Late/Upper Santonian	85.7 - 83.6	USA (Alabama)	Cretodus semiplicatus (78137)
Santonian	85.7 - 83.6	USA (Georgia)	Cretodus semiplicatus (5159 152687)