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1 Annales Zoologici

1 2016

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Paurodontella iranica sp. nov. of Sphaerulariidae (Nematoda) from north west Iran

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Golhasan B. , Heydari R. , Miraeiz E.

Annales Zoologici

2016

tom 66

nr 1

Paurodontella iranica sp. nov. is described and illustrated from West Azerbaijan province, Northwestern Iran. The new species was recovered from a soil sample from rhizosphere of Rosa persica Michx. ex Juss. It is characterized by body length of 681-1024 μm in females, lateral fields with four incisures; outer incisures crenate and inner smooth, stylet 8-9 μm long with asymmetrical knobs, excretory pore 100-140 μm far from anterior end, hemizonid 8-10 μm anterior to excretory pore, basal bulb with long stem-like extension projecting into the intestine, post-uterine sac rudimentary, tail short and sub-cylindrical. Mail tail conical with subterminal bursa. By having oviduct not branching to form a uterine diverticulum, the new species comes close to four known species of the genus namely P. densa (Thorne, 1941), P. balochistanica Handoo, Iqbal, Kazi et Fayyaz, 2010, P. niger (Thorne, 1941), P. asymmetrica (Tikyani et Khera, 1968). It resembles most closely P. balochistanica but differs from it by shorter stylet with asymmetrical knobs, more posteriorly located vulva and lateral field with four incisures. The sequence of D2-D3 expansion segments of 28S rDNA was provided for the new species. This is the first record of Paurodontella from Iran.