Parabaissaeshna, Bechly & Rasmussen, 2019
publication ID |
https://doi.org/ 10.11646/zootaxa.4550.1.6 |
publication LSID |
lsid:zoobank.org:pub:7086C72D-9C8C-48D8-8228-F990D964D839 |
DOI |
https://doi.org/10.5281/zenodo.5927212 |
persistent identifier |
https://treatment.plazi.org/id/03B9D118-FFFD-C025-29E8-FC34FDF300D9 |
treatment provided by |
Plazi |
scientific name |
Parabaissaeshna |
status |
gen. nov. |
Parabaissaeshna gen. nov.
Type species. P. ejerslevense sp. nov. by monotypy.
Etymology. Named after its similarity and relationship to the Cretaceous aeshnid genus Baissaeshna .
Diagnosis. This new genus is distinguished from all other fossil and recent genera within Aeshnidae by the following combination of forewing characters: basal space free; no ‘cordulegastrid gap’; only one lestine oblique vein a single cell distal of subnodus; pterostigma long, covering six cells; two rows of cells between RA and RP1 basal of pterostigma; very distinct pseudo-IR1 originating beneath middle of pterostigma, with three rows of cells between it and RP1 and RP2 respectively; IR2 unforked; midfork and triangle separated by six antefurcal cells; Rspl parallel to IR2 and Mspl parallel to MA with two rows of cells between these vein pairs respectively; two rows of cells in posttrigonal space close to triangle; no aeshnid bulla of MA developed; hypertriangle divided into five cells, triangle divided into seven cells, and subtriangle divided into two cells (this pattern probably is an autapomorphy of this new genus).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.