Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Aeshna (Basiaeschna) separata was named by Scudder (1890). Its type specimen is MCZ 8164-11693, a forewing (forewing & fragment of hindwing), and it is a compression fossil. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
It was recombined as Aeschna separata by Kirby (1890); it was recombined as Hoplonaeschna separata by Cockerell (1908); it was recombined as Oplonaeschna separata by Wighton and Wilson (1986); it was recombined as Oligaeschna separata by Nel et al. (1994).
It was recombined as Aeschna separata by Kirby (1890); it was recombined as Hoplonaeschna separata by Cockerell (1908); it was recombined as Oplonaeschna separata by Wighton and Wilson (1986); it was recombined as Oligaeschna separata by Nel et al. (1994).
Synonymy list
Year | Name and author |
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1890 | Aeschna separata Kirby |
1890 | Aeshna (Basiaeschna) separata Scudder p. 144 figs. Pl 13 fig 15 |
1908 | Hoplonaeschna separata Cockerell p. 74 |
1986 | Oplonaeschna separata Wighton and Wilson p. 508 |
1994 | Oligaeschna separata Nel et al. p. 171 |
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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.
†Oligaeschna separata Scudder 1890
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Ren and Guo 1996 |
Age range: Chadronian or 37.20000 to 33.90000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Chadronian | USA (Colorado) | Aeschna separata (type locality: 106384) Oplonaeschna separata (106381) |