共找到 3 筆符合的資料
at posterior tip. Neck dorso-ventrally constricted. Rostrum extended, downward and crenate at anterior.....more
inferior well-developed, both poorly-developed at posterior tip. Neck dorso-ventrally constricted.....more
inferior poorly-developed, both absent at posterior tip. Neck dorso-ventrally constricted. Rostrum.....more
