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Plectropterna
Taxonomy
Plectropterna was named by Hitchcock (1845). It is considered to be a form taxon. Its type is Sauroidichnites minitans.
It was assigned to Reptilia by Lull (1917); to Amphibia by Kuhn (1958); and to Lacertoidea by Haubold (1974).
It was assigned to Reptilia by Lull (1917); to Amphibia by Kuhn (1958); and to Lacertoidea by Haubold (1974).
Species
Synonyms
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Synonymy list
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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. †Plectropterna Hitchcock 1845
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†Plectropterna angusta Hitchcock 1858
†Plectropterna elegans Hitchcock 1889
†Plectropterna gracilis Hitchcock 1858
†Plectropterna lineans Hitchcock 1858
†Plectropterna minitans Hitchcock 1837
Invalid names: Tarsoplectrus Lull 1904 [synonym]
Diagnosis
Reference | Diagnosis | |
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R. S. Lull 1904 (Tarsoplectrus) | Bipedal, tetradactyl, plantigrade, heel narrow, tapering backward, not always wholly impressing. Limbs long; trackway narrow. No phalangeal pads nor distinct claws. |
Measurements
No measurements are available
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Source: subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988 |
Age range: Hettangian or 201.30000 to 199.30000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Hettangian | USA (Massachusetts) | P. sp., P. angusta, P. minitans, P. gracilis, P. lineans (52986) | |
Hettangian - Sinemurian | USA (Massachusetts) | P. angusta, P. minitans, P. gracilis, P. lineans (52987) P. gracilis (52998) P. minitans (53028 91398) P. sp., P. minitans, P. gracilis (52996) | |
Hettangian - Sinemurian | USA (Connecticut) | P. sp., P. elegans, P. minitans, P. gracilis, P. lineans (53023) Sauroidichnites minitans, P. elegans, P. minitans, P. gracilis, P. lineans (53000) |