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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2010 Vol.29 No.2

The Morphology of Triops sinensis and Appendage Characteristics on Different Segments
Author of the article:XUE Jun-zeng, FANG Wei, WU Hui-xian*, YUAN Lin, WANG Bao-qiang
Author's Workplace:(Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai 201306, China)
Key Words: Triops sinensis; morphology; appendage
Abstract:The body of the tadpole shrimpTriops sinensis consists of a head, trunk and telson. There is a pair of compound eyes, one nauplius eye and a cervical sense organ on the head. The first antennae are small and short. The second antennae are absent in the tadpole shrimp. Mouthparts include the upper lip, mandible and two pairs of maxilla. The upper lip is the protruding portion of the cephalosome, and the mandible and two pairs of maxilla are appendages. The skin of the second maxilla extends and expands into the carapace. The trunk of the female has 36 segments, and the male 39. For both the female and male, the 1st to 30th segments are featured with appendages. All the appendages add up to 57 pairs in the 30 segments of the trunk. The 6 other segments of the female and the 9 other segments of the male don’t bear appendages at all. The telson bears a caudal furca consisting of two long flagella.
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