Japanese Journal of Veterinary Research;Volume 23, Number 2

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ORIENTOSTRONGYLUS EZOENSIS N. SP.(NEMATODA : HELIGMOSOMIDAE) FROM THE BROWN RAT, RATTUS NORVEGICUS BERKENHOUT

TADA, Yusuke

Permalink : http://hdl.handle.net/2115/2064
JaLCDOI : 10.14943/jjvr.23.2.41

Abstract

A new nematode, Orientostrongylus ezoensis n. sp., was obtained from the small intestine of Rattus norvegicus captured in Sapporo, Hokkaido, northern Japan. This species differs from three known species of this genus in the number of longitudinal ridges (23 in male and 25 in female), the morphology of the spicules, and in the formula of the dorsal and externo-dorsal rays, etc.

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