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Potrerillopanorpa

Insecta - Mecoptera - Parachoristidae

Discussion

Refers to the Potrerillos Formation that yields the most diverse insect assemblage form the Cuyana Basin, and panorpa, a common suffix for mecopteran generic names.

Species
P. macloughlini (type species)

Synonymy list
YearName and author
2020Potrerillopanorpa Lara and Bashkuev pp. 162-163 figs. Plate 5, Figs 1– 3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
superclassHexapodaLatreille 1825
classInsecta
Dicondylia
Paranotalia
RankNameAuthor
subclassPterygota()
NeopterygotaCrampton 1924
infraclassNeopteraMartynov 1923
Holometabola
Aparaglossata
Panorpida
superorderAntliophora
orderMecopteraPackard 1886
suborderEumecopteraTillyard 1919
familyParachoristidae
genusPotrerillopanorpa

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. †Potrerillopanorpa Lara and Bashkuev 2020
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Potrerillopanorpa macloughlini Lara and Bashkuev 2020
Diagnosis
ReferenceDiagnosis
M.B. Lara and A. Bashkuev 2020If one would follow the formal criteria introduced by Novokshonov (1997a), such as the number of branches in radial and medial sectors, Potrerillopanorpa gen. nov. could be placed in the subfamily
Agetopanorpinae Carpenter, 1930 of Permochoristidae. On the other hand, pectinately branched RS1 + 2 (notwithstanding the fork on RS4) evidences for its affinity with the Permian–Triassic family Parachoristidae Handlirsch, 1937 or Triassic–Cretaceous
Orthophlebiidae Handlirsch, 1906, which are considered basal members of the crown-group Mecoptera – the Panorpoidea (sensu Novokshonov, 2002; or Panorpomorpha sensu Willmann, 1989, regardless of the position of Raptipedia). Both these families lack
precise diagnoses, being highly heterogeneous and apparently
paraphyletic (Willmann 1989; Soszyńska- Maj et al. 2016; Soszyńska-Maj et al. 2018). According to Novokshonov (1997a; 2001), the
distinction between Parachoristidae and Orthophlebiidae (s.l.) is ill-defined and can be summarized as follows: wings of Parachoristidae usually (not always) are characterized by 1) rather expanded costal and subcostal spaces (vs. more or less narrow in Orthophlebiidae);
2) Sc with long oblique branch Sc2 (vs. Sc2 short if present); 3) M has more branches (5 – 8), often with additional terminal forks (in Orthophlebiidae, M with 5 veins, less often with 6, never with additional
terminal forks); 4) well-developed cubito-median Y-vein with distinct M5 (the upper arm of Y-vein) (the Y-vein is not or ill-developed in Orthophlebiidae and M5 usually is short and crossvein-like, often weakly sclerotized). In the subfamily Neoparachoristinae, however, CuA and M fused for some distance and Y-vein is not developed at all.
Each of these characters is quite variably developed in Parachoristidae and partially overlapping with Orthophlebiidae.
Measurements
No measurements are available
Composition: chitinc
Environment: terrestrialc
Locomotion: actively mobilep
Created: 2017-04-17 09:56:18
Modified: 2017-04-17 09:56:18
Source: c = class, p = phylum
References: Kiessling 2004, Bush and Bambach 2015

Age range: Carnian or 237.00000 to 228.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 228.0Argentina P. macloughlini (177538)