Metachromadora vivipara (de Man, 1907)

Sivaleela, Gunasekaran, Surendar, Chandra & Kumar, Rubavath Rajendar, 2021, Free-living marine nematodes in Andhra Pradesh Coast, India, Records of the Zoological Survey of India 121 (2), pp. 283-301 : 293

22. Metachromadora vivipara (de Man, 1907) *

(Figure 13A-C)

1907. Chromadora vivipara de Man. Vereening. , 10: 227-244.

1949. Metachromadora vivipara Allgen. Selek. Forh. , 21: 117-120.

Material examined: 1♂, (Reg. No. 355), Hope-Island,

30.vii.2014, Coll. G. Sivaleela.

Diagnostic characters: This species is characterized by the presence of fine cuticle striations, large dorsal tooth in the buccal cavity. Cuticular lining partitioned into two or three sections.

Description: Body length is 1.4 mm. Maximum diameter of body is 75 µm. Six longer and four short 4 µm cephalic setae present. Amphids are 7 µm in wide with loop-shaped. Oesophagus with elongated posterior bulb, 100 µm long. Tail is 1.8 a.b.d long and conical with a short un striated tip. Spicules are 60 µm arcuate. Gubernaculum parallel to spicule 16 µm in length.

Distribution: Continental shelf of Southwestern Bay of Bengal ( Ansari et al., 2012). Elsewhere: North- East England, Exe estuary, South -West England, Tamar estuary, South-west England, Northeast Ireland.

Remarks: This species is resembled with earlier description of Platt and Warwick, 1988 by its cuticle with finely striated, Amphids surrounded by cuticle striations, Oesophagus with heavily cuticularized internal lining.