Barytelphusa cunicularis

6. Barytelphusa cunicularis (Westwood in Sykes, 1836)

(Figure 3F)

1836. Thelphusa cunicularis: Westwood in Sykes & Westwood, Trans. Linn. Soc. London, 1: 183.

2014. Barytelphusa cunicularis: Pati, S.K. & Sharma, R.M., zool. Surv. India, Occ. Paper No., 363: 6.

Material examined: FBRC / ZSI /INV/1717, 7 ex., Godavari River, KTPS intake well, Burgampahad, Bhadradri kothagudem dist., Coll. Sudipta Mandal.

Diagnosis: Carapace broader than long, cervical groove distinct, meets with postorbital crest; frontal median triangle incomplete, epistome bilobed, without median tooth; post orbital and epigastric cristae fused, the latter slightly anterior to former; epibranchial tooth broad, blunt, separated from external orbital angle with visible cleft; suture between thoracic sternites 2-3 distinct and suture between thoracic sternites 3-4 slightly visible as grooves; male abdomen narrowly triangular, 6th segment broader than long with concave lateral margin, telson is tongue-shaped, abdominal cavity deep; G1 long, narrow, curving slightly outwards, terminal segment long with pointed tip, G2 short, distal segment short; female pleon broadly tongue-shaped, vulvae oval-shaped, situated just beside the margin of thoracic sternite 5.

Distribution: India-Maharashtra, Kerala, Karnataka, Tamil Nadu, West Bengal, Telangana.