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

Treatment

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).