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Penthetria immutabilis

Insecta - Diptera - Bibionidae

Taxonomy
Hesperinus immutabilis was named by Melander (1949). Its type specimen is USNM 112554, an exoskeleton, and it is a compression fossil. Its type locality is Florissant (USNM Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

It was recombined as Plecia immutabilis by Fitzgerald (1999); it was recombined as Penthetria immutabilis by Skartveit (2009).

Synonymy list
YearName and author
1949Hesperinus immutabilis Melander p. 20 fig. 17
1999Plecia immutabilis Fitzgerald p. 185 fig. 5
2009Penthetria immutabilis Skartveit p. 5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
superclassHexapodaLatreille 1825
classInsecta
RankNameAuthor
orderDiptera
NeodipteraMichelsen 1994
infraorderBibionomorpha
superfamilyBibionoidea
familyBibionidae
subfamilyHesperininae(Walker 1848)
genusPenthetria
speciesimmutabilis()

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.

Penthetria immutabilis Melander 1949
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Diagnosis
No diagnoses are available