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Ptychotrygonidae
Taxonomy
Ptychotrygonidae was named by Kriwet et al. (2009). It is not extant.
It was assigned to Pristiformes by Nelson et al. (2016); and to Sclerorhynchoidei by Kriwet et al. (2009), Guinot et al. (2012) and Villalobos-Segura et al. (2019).
It was assigned to Pristiformes by Nelson et al. (2016); and to Sclerorhynchoidei by Kriwet et al. (2009), Guinot et al. (2012) and Villalobos-Segura et al. (2019).
Subtaxa
Synonymy list
Year | Name and author |
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2009 | Ptychotrygonidae Kriwet et al. p. 333 |
2012 | Ptychotrygonidae Guinot et al. p. 469 |
2016 | Ptychotrygonidae Nelson et al. p. 85 |
2019 | Ptychotrygonidae Villalobos-Segura et al. p. 1855 |
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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. †Ptychotrygonidae Kriwet et al. 2009
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G. †Asflapristis Villalobos-Segura et al. 2019
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†Asflapristis cristadentis Villalobos-Segura et al. 2019
G. †Ptychotrygon Jaekel 1894
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†Ptychotrygon blainensis Case 1978
†Ptychotrygon cuspidata Cappetta and Case 1975
†Ptychotrygon eutawensis Case et al. 2001
†Ptychotrygon geyeri Kriwet 1999
†Ptychotrygon greybullensis Case 1987
†Ptychotrygon henkeli Werner 1989
†Ptychotrygon ledouxi Cappetta 1973
†Ptychotrygon pustulata Kriwet et al. 2009
†Ptychotrygon slaughteri Cappetta and Case 1975
†Ptychotrygon striata Kriwet et al. 2009
†Ptychotrygon triangularis Reuss 1845
†Ptychotrygon vermiculata Cappetta 1975
†Ptychotrygon winni Case and Cappetta 1997
Invalid names: Ptychotrygon mcnultyi Meyer 1974 [nomen nudum]
G. †Ptychotrygonoides Landemaine 1991
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†Ptychotrygonoides pouiti Landemaine 1991
†Ptychotrygonoides sabatieri Guinot et al. 2012
G. †Texatrygon Cappetta and Case 1999
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†Texatrygon copei Cappetta and Case 1999
†Texatrygon hooveri McNulty and Slaughter 1972
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Invalid names: Ptychotrygon rubyae Williamson et al. 1993 [synonym]
†Texatrygon stouti Bourdon et al. 2011
Diagnosis
No diagnoses are available