Jurakempynus sinensis, Wang & Liu & Ren & Shih, 2011
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publication ID |
https://doi.org/ 10.4202/app.2010.0050 |
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persistent identifier |
https://treatment.plazi.org/id/08321119-6A08-797C-87D8-FD23C5EEFABE |
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treatment provided by |
Felipe |
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scientific name |
Jurakempynus sinensis |
| status |
sp. nov. |
Jurakempynus sinensis View in CoL sp. nov.
Figs. 1 View Fig , 2 View Fig .
Etymology: The specific name sinensis refers to China.
Type material: Holotype: CNU−NEU−NN2010204−1 (part) ( Fig. 1A View Fig ), CNU−NEU−NN2010204−2 (counterpart) ( Fig. 1B View Fig ). The specimen consists of three well−preserved wings of which the left wings overlap partly. Paratype: CUN−NEU−NN2010205, CUN−NEU−NN2010206−1(−2). A hindwing with the apex lost.
Type locality: Daohugou Village , Shantou Township, Ningcheng County, Inner Mongolia, China .
Type horizon: Jiulongshan Formation, Aalenian–Bajocian boundary, Middle Jurassic.
Diagnosis.—Forewing with many fragmentary fuscous spots; some fuscous spots distributing on the space between Sc and R1; CuA forked close to middle, each branch forming many complicated pectinate branches; hindwing with large fuscous spot on the outer margin, but without any spots in centre; CuP relatively short, forming 4–5 pectinate branches.
Description.—Forewing is about 35.2 mm length as preserved, 11.7 mm width. Hindwing is about 32.3 mm length as preserved, 10.1 mm width ( Fig. 1 View Fig ).
Forewing ( Fig. 2A, B View Fig ): membrane with many fragmentary fuscous spots; some fuscous spots present at the anterior margin; 5–7 spots resembling cross−veins present between Sc and R1; nygmata not detected; pterostigma fuscous, with hyaline patches; trichosors well defined on the margin; costal field relatively narrow, cross−veins forked distally; space between Sc and R1 relatively broad, with one oblique cross−vein; cross−veins r1−rs numerous; Rs branches numerous, each forming deep distal forks; cross−veins in redial area arranged irregularly, not forming the gradate series; MP forked with a short distance to the wing base, the both branches with simple distal forks; Cu forked at wing base; CuA long, biforked in middle, each branch forming complicated pectinate branches; CuP as long as the half of CuA, forming simple distal forks; A1 well developed, forming many pectinate branches; A2, A3 well defined, forming a large cell in base. Hindwing ( Fig. 2C View Fig ): membrane with large fuscous markings close to the outer margin, and possessing few spots in middle; nygmata present; trichosors well defined on the posterior margin; costal field narrow, cross−veins simple; base of MA fused with Rs; MP field forming two rows of cells, but the basal cells arranged irregularly; MP 1 forming simple distal dichotomies, MP 2 forming some pectinate branches; Cu forked at wing base, CuA long, forming many pectinate branches, CuP as long as the half of CuA, with 4–5 pectinate branches; A1 well developed, forming some pectinate branches; A2 short, with 2–3 branches.
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