Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Aviculopinna sagitta was named by Chronic (1952). Its type specimen is Mus N. Ariz G2.1300, a valve (Left valve), and it is a mold. Its type locality is Bottomless Pits, Bed 9, Kaibab Formation, Walnut Canyon, which is in a Roadian shallow subtidal limestone in the Kaibab Formation of Arizona.
It was recombined as Meekopinna sagitta by Yancey (1978); it was recombined as Orthopinna sagitta by Yancey (2024).
It was recombined as Meekopinna sagitta by Yancey (1978); it was recombined as Orthopinna sagitta by Yancey (2024).
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.
†Orthopinna sagitta Chronic 1952
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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valve height | 2 | 18.4 | 17.0 | 20.0 | 18.5 | 2.12 |
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Source: f = family, o = order, c = class | |||||
References: Aberhan et al. 2004, Kiessling 2004 |
Age range: base of the Leonardian to the top of the Lopingian or 286.00000 to 251.90200 Ma
Collections (13 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Artinskian | USA (Nevada) | Meekopinna sagitta (11962) | |
Leonardian | USA (Nevada) | Orthopinna sagitta (236634) | |
Kungurian | USA (Arizona) | Orthopinna sagitta (236584) | |
Kungurian | USA (Nevada) | Aviculopinna sagitta (38745 38825 38827) Meekopinna sagitta (120961 120962 120963 120965) | |
Roadian | USA (Arizona) | Aviculopinna sagitta (type locality: 39999) | |
Lopingian | USA (Wyoming) | Aviculopinna sp. B (87156) Aviculopinna sp. b (105352) |