Barytelphusa cunicularis (Westwood in Sykes, 1836)

Mandal, Sudipta & Deepa, J., 2021, Freshwater Decapods of Godavari River, Bhadrachalam, Telangana, Records of the Zoological Survey of India 121 (1), pp. 39-45 : 42

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.

Figures

Figure 3. A. Caridina fernandoi Arudpragasam & Costa, 1962; B. Caridina shenoyi Jalihal & Sankolli 1984; C. Macrobrachium malcolmosonii malcolmsonii (H. M. Edwards, 1844); D. Macrobrachium lamarrei lamarrei (H. M. Edwards, 1837); E. Macrobrachium sp.; F. Barytelphusa cunicularis (Westwood in Sykes, 1836).