PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Dysagrion

Insecta - Odonata - Dysagrionidae

Taxonomy

Dysagrion was named by Scudder (1878). It is the type genus of Dysagrionini.

It was assigned to Pseudolestidae by Carpenter (1992); to Thaumatoneurinae by Nel and Paicheler (1994); to Dysagrionini by Zheng et al. (2016); and to Dysagrioninae by Archibald et al. (2021).

Species

D. fredericii, D. integrum, D. lakesii, D. packardii, D. pruettae

Synonymy list

Year	Name and author
1878	Dysagrion Scudder p. 534
1992	Dysagrion Carpenter p. 86
1994	Dysagrion Nel and Paicheler
2016	Dysagrion Zheng et al. p. 126
2021	Dysagrion Archibald et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
superclass	Hexapoda	Latreille 1825
class	Insecta
—	Dicondylia
—	Paranotalia
subclass	Pterygota	()
infraclass	Hydropalaeoptera	Rohdendorf 1969
—	Euhydropalaeoptera
—	Odonatoptera	Martynov 1932
—	Palaeodonatoptera

Rank	Name	Author
—	Plesiodonatoptera
—	Apodonatoptera
—	Paneodonatoptera
—	Neodonatoptera
—	Euodonatoptera
—	Odonatoclada	Bechly 1999
—	Nodialata
—	Discoidalia
—	Stigmoptera
—	Lobodonata
—	Panodonata
order	Odonata
suborder	Zygoptera	Selys-Longchamps 1854
family	Dysagrionidae	()
subfamily	Dysagrioninae
genus	Dysagrion

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. †Dysagrion Scudder 1878

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†Dysagrion fredericii Scudder 1878

†Dysagrion integrum Bechly et al. 2020

†Dysagrion lakesii Scudder 1890

†Dysagrion packardii Scudder 1885

†Dysagrion pruettae Archibald and Cannings 2021

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

chitino

Form:

roller-shapedo

Environment:

freshwater, terrestrialo

Locomotion:

fast-movingo

Life habit:

volanto

Diet:

carnivoreo

Diet 2:

insectivoreo

Vision:

well-developedo

Dispersal:

watero

Created:

2011-03-07 03:41:10

Modified:

2011-03-06 10:41:10

Source: o = order

Reference: Ren and Guo 1996

Age range: base of the Wasatchian to the top of the Ypresian or 55.80000 to 47.80000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Ypresian	56.0 - 47.8	USA (Washington)	D. pruettae (103206)
Wasatchian	55.8 - 50.3	USA (Wyoming)	D. integrum (221180)
Bridgerian	50.3 - 46.2	USA (Wyoming)	D. fredericii (121306) D. lakesii, D. packardii (122090)