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Ptychodontidae
Taxonomy
Ptychodontidae is a family.
It was assigned to Chimaeroidei by Woodward (1891); to Masticura by Hay (1902); to Masticura by Jordan (1963); to Hybodontoidei by Applegate (1970); to Heterodontoidei by Herman (1977); to Hybodontoidea by Thurmond and Jones (1981) and Cahuzac et al. (2007); and to Hybodontiformes by Nelson et al. (2016).
It was assigned to Chimaeroidei by Woodward (1891); to Masticura by Hay (1902); to Masticura by Jordan (1963); to Hybodontoidei by Applegate (1970); to Heterodontoidei by Herman (1977); to Hybodontoidea by Thurmond and Jones (1981) and Cahuzac et al. (2007); and to Hybodontiformes by Nelson et al. (2016).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Ptychodontidae Woodward p. 37 |
| 1902 | Ptychodontidae Hay p. 317 |
| 1963 | Ptychodontidae Jordan p. 604 |
| 1970 | Ptychodontidae Applegate p. 393 |
| 1977 | Ptychodontidae Herman p. 17 |
| 1981 | Ptychodontidae Thurmond and Jones p. 41 |
| 2007 | Ptychodontidae Cahuzac et al. p. 11 |
| 2016 | Ptychodontidae Nelson et al. p. 56 |
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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.
Fm. †Ptychodontidae
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G. †Ptychodus Agassiz 1834
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†Ptychodus altior Agassiz 1835
†Ptychodus anonymus Williston 1900
†Ptychodus arcuatus Agassiz 1837
†Ptychodus articulatus Agassiz 1837
†Ptychodus belluccii Bonarelli 1899
†Ptychodus concentricus Agassiz 1839
†Ptychodus decurrens Agassiz 1838
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Invalid names: Ptychodus depressus Dixon 1850 [synonym], Ptychodus multistriatus Woodward 1889 [synonym], Ptychodus oweni Dixon 1850 [synonym]
†Ptychodus elevatus Leriche 1929
†Ptychodus gibberulus Agassiz 1837
†Ptychodus latissimus Agassiz 1835
†Ptychodus mahakalensis Chiplonkar and Ghare 1977
†Ptychodus mammillaris Agassiz 1835
†Ptychodus marginalis Agassiz 1839
†Ptychodus martini Williston 1900
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Invalid names: Ptychodus connellyi MacLeod and Slaughter 1980 [synonym]
†Ptychodus mortoni Mantell 1836
†Ptychodus occidentalis Leidy 1868
†Ptychodus papillosus Cope 1875
†Ptychodus parvulus Whiteaves 1889
†Ptychodus paucisulcatus Dixon 1850
†Ptychodus pauli Coquand 1859
†Ptychodus polygyrus Agassiz 1835
†Ptychodus rhombodus Underwood and Cumbaa 2010
†Ptychodus rugosus Dixon 1850
†Ptychodus schlottheimii Agassiz 1834
†Ptychodus spectabilis Agassiz 1837
†Ptychodus whipplei Marcou 1858
Invalid names: Buffonites Sternberg 1829 [nomen oblitum]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Wagner 2023, Carroll 1988 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Danian or 99.60000 to 61.60000 Ma
Collections (93 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cretaceous | India | Ptychodus mahakalensis (91555) | |
| Aptian - Turonian | Colombia | Ptychodontidae indet. (227225) | |
| Albian - Cenomanian | Mexico (Hidalgo) | Ptychodus sp. (135815) | |
| Cenomanian | Ukraine | Ptychodus marginalis, Ptychodus anonymus (231906) Ptychodus sp., Ptychodus polygyrus, Ptychodus decurrens, Ptychodus mammillaris, Ptychodus marginalis, Ptychodus altior, Ptychodus anonymus (231904) | |
| Late/Upper Cretaceous | Japan (Hokkaido) | Ptychodus mammilaris, Ptychodus latissimus (161435) | |
| Late/Upper Cretaceous | France | Ptychodus sp. (187578) | |
| Late/Upper Cretaceous | Japan (Amakusa) | Ptychodus mammillaris (161437) | |
| Senonian - Maastrichtian | Jordan | Ptychodus sp. (36256) | |
| Late/Upper Cenomanian | USA (Colorado) | Ptychodus anonymus (132505) | |
| Late/Upper Cenomanian | Lithuania | Ptychodus decurrens, Ptychodus mammillaris (213713 213719 213720) | |
| Late/Upper Cenomanian | Italy | Ptychodus decurrens (214600) | |
| Late/Upper Cenomanian | Sweden | Ptychodus mammillaris (70427) | |
| Late/Upper Cenomanian | Italy (Vicenza) | Ptychodus decurrens (214715) | |
| Late/Upper Cenomanian | USA (South Dakota) | Ptychodus occidentalis (117819) | |
| Late/Upper Cenomanian | USA (Kansas) | Ptychodus anonymus, Ptychodus occidentalis (213414) Ptychodus decurrens, Ptychodus anonymus, Ptychodus occidentalis (213416 213417 213419) Ptychodus decurrens, Ptychodus occidentalis (213418) | |
| Late/Upper Cenomanian | Italy (Treviso) | Ptychodus decurrens (214716) | |
| Middle Cenomanian | USA (Kansas) | Ptychodus decurrens, Ptychodus anonymus, Ptychodus occidentalis (94538) | |
| Middle Cenomanian | USA (Colorado) | Ptychodus decurrens, Ptychodus anonymus, Ptychodus occidentalis (35429) Ptychodus occidentalis, Ptychodus rhombodus (213403) | |
| Middle Cenomanian | Canada (Saskatchewan) | Ptychodus sp., Ptychodus decurrens, Ptychodus anonymus (22731) Ptychodus sp., Ptychodus decurrens, Ptychodus anonymus, Ptychodus occidentalis (52997) | |
| Late/Upper Cenomanian - Turonian | Kazakhstan | Ptychodus sp. (210282) | |
| Turonian | USA (South Dakota) | Ptychodus janewayii, Ptychodus whipplei, Ptychodus anonymus (181902) | |
| Turonian | Japan (Hokkaido) | Ptychodus latissimus (210756) | |
| Turonian | USA (Kansas) | Ptychodus whipplei (102879) | |
| Turonian | USA (Colorado) | Ptychodus whipplei (179209) | |
| Turonian | USA (Montana) | Ptychodus whipplei (215793) | |
| Turonian | USA (Texas) | Ptychodus decurrens (213306) Ptychodus latissimus (213301) Ptychodus mammillaris, Ptychodus whipplei, Ptychodus rugosus (213300) Ptychodus mortoni (213305) | |
| Turonian - Coniacian | USA (New Mexico) | Ptychodus mortoni, Ptychodus mammillaris (221290) | |
| Turonian - Coniacian | Japan (Hokkaido) | Ptychodus mammilaris (210757) | |
| Turonian - Santonian | Japan (Hokkaido) | Ptychodus latissimus (210744) | |
| Early/Lower Turonian | Canada (Alberta) | Ptychodus anonymus (136242 213294) | |
| Early/Lower Turonian | United Kingdom (England) | Ptychodus decurrens (4071 4072) | |
| Early/Lower Turonian | USA (Nebraska) | Ptychodus whipplei, Ptychodus anonymus, Ptychodus occidentalis (213402) | |
| Early/Lower Turonian | USA (Iowa) | Ptychodus whipplei (213400) | |
| Early/Lower Turonian | Czech Republic | Ptychodus mammilaris (90516 90518) | |
| Early/Lower Turonian | Brazil (Sergipe) | Ptychodus decurrens (143101) | |
| Early/Lower Turonian | USA (Kansas) | Ptychodus occidentalis (213410) Ptychodus whipplei (213385 213386) Ptychodus wipplei (213384) | |
| Late/Upper Turonian | USA (Texas) | Ptychodus decurrens, Ptychodus whipplei (213304) Ptychodus mortoni (213299) | |
| Late/Upper Turonian | Ukraine | Ptychodus latissimus (231905) | |
| Late/Upper Turonian | USA (South Dakota) | Ptychodus whipplei (213291) | |
| Middle Turonian | USA (Kansas) | Ptychodus mammillaris, Ptychodus whipplei (213390) Ptychodus mortoni, Ptychodus whipplei (213387) Ptychodus whipplei (35365) Ptychodus whipplei, Ptychodus anonymus (213524) | |
| Middle Turonian | USA (New Mexico) | Ptychodus polygyrus, Ptychodus whipplei, Ptychodus anonymus (179267) | |
| Middle Turonian | France (Ardennes) | Ptychodus mammillaris, Ptychodus rugosus (213564) | |
| Middle Turonian | USA (Nebraska) | Ptychodus whipplei, Ptychodus anonymus (213389) | |
| Middle Turonian | Poland | Ptychodus polygyrus, Ptychodus mammillaris (157553) | |
| Middle Turonian | USA (Montana) | Ptychodus sp. nov., Ptychodus sp., Ptychodus whipplei (215792) | |
| Middle Turonian - Late/Upper Turonian | Poland (Opole) | Ptychodus mammillaris (231881) | |
| Late/Upper Turonian - Early/Lower Coniacian | USA (Kansas) | Ptychodus mammillaris (213411) | |
| Late/Upper Turonian - Early/Lower Coniacian | Mexico (Coahuila) | Ptychodus mortoni (92293) | |
| Coniacian | France (Charente) | Ptychodus rugosus (161749) | |
| Coniacian | Canada (Saskatchewan) | Ptychodus rugosus (23369) | |
| Early/Lower Coniacian | USA (Texas) | Batoidea indet. (207458) | |
| Early/Lower Coniacian | USA (Kansas) | Ptychodus mortoni (213405 213549) | |
| Late/Upper Coniacian - Early/Lower Campanian | USA (Mississippi) | Ptychodus mortoni (164393) | |
| Santonian | USA (Kansas) | Ptychodus mortoni (94652) | |
| Santonian | Japan | Ptychodus mammillaris (219956) Ptychodus sp., Ptychodus mammillaris (219963) | |
| Santonian | Russian Federation (Orenburg) | Ptychodus rugosus (232890) | |
| Early/Lower Santonian | Lithuania | Ptychodus rugosus (213718) | |
| Early/Lower Santonian | Japan | Ptychodus mammillaris (219958) | |
| Early/Lower Santonian - Middle Santonian | USA (Georgia) | Ptychodus mortoni (61769) | |
| Early/Lower Santonian - Middle Santonian | USA (New Mexico) | Ptychodus sp., Ptychodus mortoni (52037) | |
| Late/Upper Santonian | Israel | Ptychodus sp. (214861) | |
| Late/Upper Santonian - Early/Lower Campanian | USA (Alabama) | Ptychodus polygyrus (81931) | |
| Campanian | Canada (Manitoba) | Ptychodus whippleyi (36714) | |
| Early/Lower Campanian | USA (Alabama) | Ptychodus mortoni (171351) | |
| Early/Lower Campanian | Lithuania | Ptychodus latissimus (213715) | |
| Early/Lower Campanian | USA (Texas) | Ptychodus connellyi (213544) | |
| Late/Upper Campanian | Germany | Ptychodus sp. (64127) | |
| Late/Upper Maastrichtian | USA (Alabama) | Ptychodus mortoni (4203) | |
| Danian | USA (Illinois) | Ptychodus sp. (70129) |