Aphelocheirus sp.

PATEL, RAMAN, RANA, RAJENDRA SINGH, NEL, ANDRÉ & ALI, ASHIF, 2023, The oldest aquatic aphelocheirid bug (Heteroptera, Nepomorpha) from the lower Eocene of India, Palaeoentomology 6 (3), pp. 250-254 : 251

publication ID

https://doi.org/ 10.11646/palaeoentomology.6.3.7

publication LSID

lsid:zoobank.org:pub:D1B54166-3633-4DB6-B896-87E9024E4588

DOI

https://doi.org/10.5281/zenodo.8082382

persistent identifier

https://treatment.plazi.org/id/B17B1E58-322F-F56A-29D5-99A1FAFC817D

treatment provided by

Plazi

scientific name

Aphelocheirus sp.
status

 

Aphelocheirus sp.

( Fig. 2 View FIGURE 2 )

Material. Specimen GU / R /B/G/3015 (part and counterpart of thorax and abdomen, head only partly visible, legs lacking), stored at the Paleontology laboratory, Department of Geology. H.N.B. Garhwal University, Srinagar Garhwal, Uttarakhand, India

Type locality and horizon. Lower Eocene , Palana

Formation, Gurha opencast lignite mine, Bikaner district, Rajasthan, India.

Description. Body ca. 13.2 mm long, 10.5 mm wide. Head very poorly preserved. Thorax 4.6 mm long, 7.1 mm wide, a median furrow on mesosternum ( Fig. 2 View FIGURE 2 , white arrow) and metasternum; pronotum with rounded margin; insertions of hind coxae well visible ( Fig. 2 View FIGURE 2 , yellow arrows). Abdomen well preserved, rounded and flat, 8.8 mm long, 10.0 mm wide, with strong lateral spines on nearly all segments ( Fig. 2 View FIGURE 2 , blue arrow); posterior margins of segments darkened; presence of two symmetrical plates at apex; broad rounded structures visible in ventral view, with very small white rounded spots inside (respiratory ‘rosettes’ with small openings) ( Fig. 2 View FIGURE 2 , red arrowhead); two elliptical structures appressed to the rosettes of 2nd sternite ( Fig. 2 View FIGURE 2 , white arrowhead); sternites IV and V with rounded traces medially along posterior margins; sternite VI very narrow ( Fig. 2 View FIGURE 2 , red arrow).

R

Departamento de Geologia, Universidad de Chile

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