Amynthas jinburi Blakemore 2013

Length. 210 mm. Width. ca. 10 mm at male pore level. Segments. 143 with some secondary annulation (from preservation?). Colour. Bleached pale yellow in aged alcohol, possibly darker in life. Prostomium. Open epilobous. First dorsal pore. 11/12. Setae. >100 per segment; e.g. 100+ on 11 and 112 counted on segment 12; approximately 16 setae intervene between male pore pads that are asetal on 18. Nephropores. Not found. Clitellum. Slightly darker at 14-16. Male pores: On 18 on small, rounded and flat porophores. Female pores. Single on 14. Spermathecal pores. At posterior of 5 and 6 approximately 0.3 C apart. Genital markings. None (sub-adult?). Septa. Nephridial forests on septa 5 & 6; 5/6/7/8 thick, 8/9 thin to base of gizzard, 9/10 aborted. Hearts. Seen in 11-13 (aborted in 10?). Gizzard. Single in 8-9. Calciferous glands. Absent. Intestine. From 15; caeca simple elongate from 27; typhlosole not noted. Nephridia. Meroic. Male organs. Holandric, testes small in 10 &11; seminal vesicles in 11 & 12. Ovaries. Compact in 13; ovisacs not found in 14. Prostates: Racemose glands not fully developed in 18 on short, muscular duct. Spermathecae. Two pairs in 6 & 7 exiting to anterior of 5/6 and 6/7 in 5 & 6 (Fig. 2). Gut contents. Filled with yellow soil, i.e. probably a deep-burrowing subsoil geophage.

Known only from single specimen from type locality.