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Chondrichthyes - Hybodontiformes - Ptychodontidae

Synonymy list
YearName and author
1837Ptychodus Agassiz p. 56
1873Ptychodus Leidy p. 352
1889Ptychodus Woodward p. 132
1902Ptychodus Hay p. 317
1963Ptychodus Jordan p. 605
1970Ptychodus Applegate p. 393
1975Ptychodus Herman p. 46
1981Ptychodus Thurmond and Jones p. 41
2002Ptychodus Sepkoski, Jr.

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phylumChordataHaeckel 1847
subclassElasmobranchiiBonaparte 1838
orderHybodontiformes(Patterson 1966)

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.

No diagnoses are available
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 13:49:23
Modified: 2009-12-13 03:31:01
Source: c = class, subp = subphylum
References: Wagner 2017, Carroll 1988

Age range: base of the Turonian to the top of the Tortonian or 93.90000 to 7.24600 Ma

Collections (35 total)

Time interval Ma Country or state Original ID and collection number
Cretaceous145.0 - 66.0India P. mahakalensis (91555)
Late/Upper Cretaceous100.5 - 66.0Japan (Amakusa) P. mammillaris (161437)
Late/Upper Cretaceous100.5 - 66.0Japan (Hokkaido) P. mammilaris, P. latissimus (161435)
Late/Upper Cenomanian99.6 - 93.5USA (South Dakota) P. occidentalis (117819)
Late/Upper Cenomanian99.6 - 93.5Sweden P. mammillaris (70427)
Late/Upper Cenomanian99.6 - 93.5USA (Colorado) P. anonymus (132505)
Middle Cenomanian99.6 - 93.5USA (Kansas) P. decurrens, P. anonymus, P. occidentalis (94538)
Middle Cenomanian99.6 - 93.5Canada (Saskatchewan) P. sp., P. decurrens, P. anonymus (22731) P. sp., P. decurrens, P. anonymus, P. occidentalis (52997)
Middle Cenomanian - Late/Upper Cenomanian99.6 - 93.5USA (Colorado) P. decurrens, P. anonymus, P. occidentalis (35429)
Turonian93.9 - 89.8USA (South Dakota) P. janewayii (181902)
Turonian93.9 - 89.8USA (New Mexico) P. polygyrus, P. whipplei, P. anonymus (179267)
Turonian93.9 - 89.8USA (Colorado) P. whipplei (179209)
Turonian93.9 - 89.8USA (Kansas) P. whipplei (102879)
Early/Lower Turonian93.5 - 89.3Brazil (Sergipe) P. decurrens (143101)
Early/Lower Turonian93.5 - 89.3Czech Republic P. mammilaris (90516 90518)
Early/Lower Turonian93.5 - 89.3United Kingdom (England) P. decurrens (4071 4072)
Middle Turonian93.5 - 89.3USA (Kansas) P. whipplei (35365)
Late/Upper Turonian - Early/Lower Coniacian93.5 - 85.8Mexico (Coahuila) P. mortoni (92293)
Late/Upper Turonian - Early/Lower Santonian93.5 - 83.5Canada (Saskatchewan) P. rugosus (23369)
Coniacian89.8 - 86.3France (Charente) P. rugosus (161749)
Late/Upper Coniacian - Early/Lower Campanian89.3 - 70.6USA (Mississippi) P. mortoni (164393)
Senonian - Maastrichtian89.3 - 66.0Jordan P. sp. (36256)
Santonian86.3 - 83.6USA (Kansas) P. mortoni (94652)
Early/Lower Santonian - Middle Santonian85.8 - 83.5USA (Georgia) P. mortoni (61769)
Middle Santonian85.8 - 83.5USA (New Mexico) P. whipplei (52037)
Late/Upper Santonian - Early/Lower Campanian85.8 - 70.6USA (Alabama) P. polygyrus (81931)
Campanian83.6 - 72.1Canada (Manitoba) P. whippleyi (36714)
Early/Lower Campanian83.5 - 70.6USA (Alabama) P. mortoni (171351)
Late/Upper Campanian83.5 - 70.6Germany P. sp. (64127)
Late/Upper Maastrichtian70.6 - 66.0USA (Alabama) P. mortoni (4203)
Danian66.0 - 61.6USA (Illinois) P. sp. (70129)
Langhian - Tortonian15.97 - 7.246France P. sp. (187578)