Zamilia sheini Jiang & Li, 2022
publication ID |
https://doi.org/ 10.11865/zs.2022101 |
publication LSID |
lsid:zoobank.org:pub:1C62670D-1CEB-4A0C-8A12-D8824F6B61DA |
DOI |
https://doi.org/10.5281/zenodo.7172580 |
persistent identifier |
https://treatment.plazi.org/id/743FB854-0924-BC6E-B1F1-C9A1FC0EFE9A |
treatment provided by |
Felipe (2022-10-09 06:16:45, last updated by Plazi 2023-11-07 18:26:35) |
scientific name |
Zamilia sheini Jiang & Li |
status |
sp. nov. |
Zamilia sheini Jiang & Li , sp. nov. ( Figs 7–9 View Figure 7 View Figure 8 View Figure 9 )
Holotype. Male (IZCAS-Ar42685Fo). Late Cretaceous amber from Hukawng Valley. Syninclusions include one mite and two dipterans.
Etymology. The species name is a popular Burmese boy’s name and means “reflection”; noun in apposition.
Diagnosis. Zamilia sheini Jiang & Li , sp. nov. can be distinguished from its congeners by a flake-shaped median apophysis and a membranous conductor. It can be distinguished from Z. quattuormammillae Wunderlich, 2015 (see Wunderlich, 2015: 296, figs 300–309, photo 147) by the triangular median apophysis and the smooth clypeal margin, while Z. quattuormammillae has a nose-shaped apophysis on the clypeus and a curved median apophysis.
Description. Male. Total length 1.97; carapace 0.74 long, 0.91 wide; opisthosoma 1.23 long, 1.01 wide. Left palp: - (- + 0.21 + -), left leg I: - (- + - + - + 0.89 + 0.45), leg II: - (- + - + - + 0.84 + 0.40), leg III: - (- + - + - + 0.76 + 0.40), leg IV: - (- + - + - + 0.83 + 0.47); right palp: - (0.67 + - + -), right leg I: - (- + - + - + 0.83 + 0.36), leg II: - (0.79 + - + - + 0.81 +0.40), leg III: - (0.81 + - + - + 0.77 + 0.38), leg IV: - (- + - + - + 0.75 + 0.44). Eye sizes and interdistances: ALE 0.05, AME 0.07, PLE 0.07, PME 0.06; AME–AME 0.04, AME–ALE 0.02, ALE–PLE 0.05, PME–PLE 0.01, PME–PME 0.05. Habitus as in Figs 8A–B View Figure 8 . Carapace almost round, yellowish. Sternum round, yellowish with dense brown setae. Legs have two spines distally on metatarsus and tarsus, 3 claws. Opisthosoma round. Anterior lateral spinnerets ( Fig. 8D View Figure 8 ) short, posterior spinnerets with terminal segment long, ca. 0.26, basal segment short, ca. 0.06; anal tubercle fringed with long setae.
Palp ( Figs 7A–D View Figure 7 , 9 View Figure 9 ). Ratio of femur length to cymbial length 2.57, femur width 0.09, cymbium round, length equal to width; embolus slightly flattened, flake-shaped; median apophysis triangular.
Wunderlich, J. 2015. On the evolution and the classification of spiders, the Mesozoic spider faunas, and descriptions of new Cretaceous taxa mainly in amber from Myanmar (Burma) (Arachnida: Araneae). In: Wunderlich, J. (ed.), Beitrage zur Araneologie, Vol. 9. Hirschberg, Germany. pp. 21 - 408.
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