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Platypterna
Taxonomy
Platypterna was named by Hitchcock (1845). It is considered to be a form taxon. Its type is Ornithichnites deanii.
It was assigned to Tridactylidaee by Hitchcock (1845); to Grallatores by Hitchcock (1848); to Leptodactyli by Quenstedt (1882); to Dinosauria by Hitchcock (1898) and Lull (1904); to Reptilia by Lull (1917); to Ornithischia by Bock (1952); to Dinosauria by Kuhn (1958); and to Saurischia by Haubold (1971) and Haubold (1974).
It was assigned to Tridactylidaee by Hitchcock (1845); to Grallatores by Hitchcock (1848); to Leptodactyli by Quenstedt (1882); to Dinosauria by Hitchcock (1898) and Lull (1904); to Reptilia by Lull (1917); to Ornithischia by Bock (1952); to Dinosauria by Kuhn (1958); and to Saurischia by Haubold (1971) and Haubold (1974).
Synonyms
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Synonymy list
Year | Name and author |
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1845 | Harpedactylus Hitchcock p. 24 |
1845 | Platypterna Hitchcock p. 24 |
1845 | Calopus Hitchcock p. 25 |
1845 | Platypterna Hitchcock p. 25 |
1848 | Platypterna Hitchcock p. 188 |
1848 | Harpedactylus Hitchcock p. 206 |
1882 | Platypterna Quenstedt p. 131 |
1898 | Platypterna Hitchcock p. 401 |
1904 | Platypterna Lull p. 515 |
1904 | Harpedactylus Lull p. 527 |
1917 | Platypterna Lull p. 119 |
1917 | Harpedactylus Lull p. 122 |
1952 | Platypterna Bock p. 408 |
1958 | Harpedactylus Kuhn p. 18 |
1958 | Platypterna Kuhn p. 25 |
1971 | Platypterna Haubold p. 81 |
1974 | Harpedactylus Haubold p. 36 |
1974 | Platypterna Haubold p. 46 |
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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.
G. †Platypterna Hitchcock 1845
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†Platypterna concamerata Hitchcock 1848
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Invalid names: Platypterna varica Hitchcock 1858 [synonym]
†Platypterna deanii Hitchcock 1837
†Platypterna delicatula Hitchcock 1841
†Platypterna digitigrada Hitchcock 1858
†Platypterna gracillima Hitchcock 1858
†Platypterna lockatong Bock 1952
†Platypterna recta Hitchcock 1848
†Platypterna tenuis Hitchcock 1837
Invalid names: Calopus Hitchcock 1845 [synonym], Harpedactylus Hitchcock 1845 [synonym]
Diagnosis
Reference | Diagnosis | |
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E. Hitchcock 1848 | Heel very broad, as well as the foot at the roots of the toes. Toes slender; for the most part curved. Feet plantigrade. | |
E. Hitchcock 1848 (Harpedactylus) | Leptodactylous; three to four-toed. Toes all curved inward, like sickles. |
Measurements
No measurements are available
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Source: subc = subclass, c = class, subp = subphylum | |||||
References: Carroll 1988, Hendy et al. 2009 |
Age range: base of the Norian to the top of the Hettangian or 228.00000 to 199.30000 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Norian | USA (Pennsylvania) | P. lockatong (68706) | |
Hettangian | USA (Massachusetts) | P. varica, P. digitigrada, Harpedactylus rectus, Harpedactylus crassus, P. gracillima (52986) | |
Hettangian - Sinemurian | USA (Massachusetts) | Ornithoidichnites delicatulus (52994) Ornithoidichnites tenuis (53028) P. deanii, Harpedactylus concamerata, P. digitigrada, Harpedactylus gracilior, Harpedactylus gracilis (52996) P. sp., P. concamerata, P. varica, Harpedactylus rectus (52998) P. varica (62844) P. varica, P. digitigrada (52987) Sauroidichnites tenuissimus, Harpedactylus concameratus, Harpedactylus rectus, Harpedactylus gracilis (52985) | |
Hettangian - Sinemurian | USA (Connecticut) | Harpedactylus sp., Ornithoidichnites delicatulus, Ornithoidichnites tenuis, Ornithoidichnites deanii (53000) Sauroidichnites tenuissimus, Harpedactylus sp., P. tenuis, Ornithoidichnites deanii (53023) |