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Ptychodus decurrens

Chondrichthyes - Lamniformes - Ptychodontidae

Taxonomy
Ptychodus decurrens was named by Agassiz (1838). Its type specimen is BMNH P.5449, a set of teeth, and it is a 3D body fossil.

Sister species lacking formal opinion data
P. janewayii, P. mammilaris

Synonyms
Synonymy list
YearName and author
1838Ptychodus decurrens Agassiz figs. Pl 25b, figs 1-8
1839Ptychodus decurrens Agassiz p. 154
1850Ptychodus depressus Dixon p. 363
1850Ptychodus oweni Dixon p. 364
1874Ptychodus oweni Barrois p. 109
1878Ptychodus decurrens Zaręczny p. 202
1889Ptychodus decurrens Woodward p. 138
1889Ptychodus oweni Woodward p. 138
1889Ptychodus multistriatus Woodward p. 146
1893Ptychodus levis Woodward p. 192 figs. Pl 5, figs 5,6
1902Ptychodus decurrens Hay p. 317
1902Ptychodus decurrens multiplicatus Leriche
1935Ptychodus decurrens Dalinkevičius p. 262
1977Ptychodus decurrens Herman p. 49 figs. Pl 2, fig 1
1977Ptychodus oweni Herman p. 53
1991Ptychodus decurrens Landemaine figs. Pl 1, fig 10
1999Ptychodus decurrens Cappetta and Case p. 11 figs. Pl 2, figs 8-10
2001Ptychodus decurrens Cicimurri p. 31 fig. 6C,D
2002Ptychodus decurrens Antunes and Cappetta p. 103 figs. Pl 1, figs 1,2
2006Ptychodus decurrens Shimada et al. p. 6 figs. 6.3, 6.4
2008Ptychodus decurrens Shimada and Martin p. 91 fig. 4B
2009Ptychodus decurrens Carrillo-Briceño p. 208 fig. 2
2010Ptychodus decurrens Underwood and Cumbaa p. 911 figs. Pl 3, figs 1-6
2018Ptychodus decurrens Biriukov figs. Pl 2, fig 2
2019Ptychodus decurrens Amadori et al. p. 230
2020Ptychodus decurrens Amalfitano et al. p. 267 fig. 6
2023Ptychodus decurrens Amadori et al. p. 4 fig. 2B,D,L.M
2023Ptychodus decurrens Amadori et al. p. 9 fig. 5
2025Ptychodus decurrens Amadori et al. p. 7 figs. 1A-E,J-L, 3-8

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
infraclassElasmobranchii(Bonaparte 1838)
—Euselachii()
—NeoselachiiCompagno 1977
superorderGaleomorphiiCompagno 1973
orderLamniformesBerg 1958
familyPtychodontidae
genusPtychodus
speciesdecurrens

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.

†Ptychodus decurrens Agassiz 1838
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Invalid names: Ptychodus decurrens multiplicatus Leriche 1902 [synonym], Ptychodus depressus Dixon 1850 [synonym], Ptychodus levis Woodward 1893 [synonym], Ptychodus multistriatus Woodward 1889 [synonym], Ptychodus oweni Dixon 1850 [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: Carroll 1988, Hendy et al. 2009, Wagner 2023

Age range: base of the Early/Lower Cenomanian to the top of the Late/Upper Coniacian or 100.50000 to 85.70000 Ma

Collections (38 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9France Ptychodus decurrens (242208)
Cenomanian100.5 - 93.9Ukraine Ptychodus decurrens (231904)
Early/Lower Cenomanian100.5 - 93.9Russian Federation (Moscow) Ptychodus decurrens (241666)
Late/Upper Cenomanian100.5 - 93.9Lithuania Ptychodus decurrens (213713 213719 213720)
Late/Upper Cenomanian100.5 - 93.9Italy (Vicenza) Ptychodus decurrens (214715)
Late/Upper Cenomanian100.5 - 93.9United Kingdom (England) Ptychodus decurrens (4071 4072)
Late/Upper Cenomanian100.5 - 93.9Italy Ptychodus decurrens (214600)
Late/Upper Cenomanian100.5 - 93.9USA (Kansas) Ptychodus decurrens (213416 213417 213418 213419)
Late/Upper Cenomanian100.5 - 93.9France Ptychodus decurrens (241896)
Late/Upper Cenomanian100.5 - 93.9Italy (Treviso) Ptychodus decurrens (214716)
Middle Cenomanian100.5 - 93.9Canada (Saskatchewan) Ptychodus decurrens (22731 52997)
Middle Cenomanian100.5 - 93.9USA (Kansas) Ptychodus decurrens (94538)
Middle Cenomanian100.5 - 93.9France Ptychodus decurrens (242280)
Middle Cenomanian100.5 - 93.9Russian Federation (Penza) Ptychodus decurrens (242234)
Middle Cenomanian100.5 - 93.9USA (Colorado) Ptychodus decurrens (35429)
Cenomanian - Early/Lower Turonian100.5 - 89.8Poland Ptychodus decurrens (241823)
Late/Upper Cenomanian - Early/Lower Turonian100.5 - 89.8Belgium Ptychodus decurrens (241973)
Late/Upper Cenomanian - Turonian100.5 - 89.8France Ptychodus decurrens (239341)
Cenomanian - Santonian100.5 - 83.6Venezuela Ptychodus decurrens (242307)
Middle Cenomanian - Santonian100.5 - 83.6Russian Federation (Ryazan) Ptychodus decurrens (239957)
Early/Lower Turonian93.9 - 89.8Poland Ptychodus decurrens (241847)
Early/Lower Turonian93.9 - 89.8Brazil (Sergipe) Ptychodus decurrens (143101)
Late/Upper Turonian93.9 - 89.8USA (Texas) Ptychodus decurrens (213304)
Middle Turonian93.9 - 89.8Belgium Ptychodus decurrens (241974)
Middle Turonian93.9 - 89.8USA (South Dakota) Ptychodus decurrens (275611)
Turonian93.9 - 89.8USA (South Dakota) Ptychodus decurrens (275633)
Turonian93.9 - 89.8USA (Texas) Ptychodus decurrens (213306)
Turonian93.9 - 89.8Croatia Ptychodus decurrens (221146)
Late/Upper Coniacian89.8 - 85.7France Ptychodus oweni (242175 242196)
Middle Coniacian89.8 - 85.7France (Nord-Pas-de-Calais) Ptychodus oweni (89988)