Chapter 7: Planktonic Crustacea Xiamen University Department of Oceanography References 郑重, 李少菁, 许振祖, 1984. 海洋浮游生物学. 北京: 海洋出版社 堵南山, 1987. 甲壳动物学(上册). 北京: 科学出版社 堵南山, 1993. 甲壳动物学(下册). 北京: 科学出版社 Part I: General Account 1 General Morphology 1.1 External Features 1.1.1 Metamerism 1.1.2 Exoskeleton 1.1.3 Appendages 1.1.1Metamerism(分节) Head(头) Thorax(胸) Abdomen(腹) Cephalomeron(头节) Thoraxmeron(胸节) Pleomeron(腹节) Cephalothorax(头胸部) Thorax (peraeon,pereion,胸部) Abdomen (pleon,腹部) Pleotelson(腹尾节) Telsn(anal segment,尾节,肛节) Furca(尾叉) ? tergite(背甲)(背甲) ? sternite(腹甲)(腹甲) ? pleurum(侧甲)(侧甲) 1.1.2 Exoskeleton(外骨骼) Integument(外皮) Cuticle (表皮) epicuticle(上表皮) endocuticle(内表皮) pigment layer(色素层) calicified layer(钙化层) uncalcified layer(非钙化层) Epidermis(真皮) Basement memberane(基膜) Diagram of integument Arthropod joint Vertebrate joint 1.1.3 Appendages uniramous(单肢型) biramous(双肢型) 1-3 protopodite(B,原肢) 1 subcoxa(亚基节) 6 endite(内叶) 2 coxa(B 1 ,基节) 7 exite(epipodite,外叶,上肢) 3 basis (B 2 ,底节) 4 endopodite(R i ,内肢) 8 ischium(座节) 9 merus(长节) 10 carpus(腕节) 11 propodus(掌节) 12 dactylus(趾节) 5 exopodite(R e ,外肢) Diagram of appendage ? Antennae(A,触角) antennule(A 1 ,小触角) antenna(A 2 ,大触角) ? Mandibulae(M,大颚) ? Maxillae(小颚) maxillula(M 1 ,第一小颚) maxilla(M 2 ,第二小颚) ? Maxillipeds(Mp 1-3 ,颚足) ? Pereiopods(P 1-5 ,胸足) ? Pleopods(Pl 1-5 ,腹足) ? Uropod(Up,尾足) The petasma of a male euphausiid 1.2 Internal Features 1.2.1 Digestive System 1.2.2 Extretory System 1.2.3 Respiratory System 1.2.4 Circulatory System 1.2.5 Nervous System and Sense Organs 1.2.6 Reproductive System 1.2.1 Digestive System Foregut Midgut Hindgut hepatopancreas 1.2.2 Extretory System Antennal gland Maxillary gland 1.2.3 Respiratory System ? gill podobranch( (足鳃足鳃 ) ) arthrobranch( (节鳃节鳃 ) ) pleurobranch( (侧鳃侧鳃 ) ) 1.2.4 Circulatory System Circulatory system of crustacean 1.2.5 Nervous System & Sense Organs Compound eyes Nervous system of cladocera Statocysts of Mysidacea 1.3 Reproduction and Development ? Reproduction Parthenogenesis Sexual reproduction ? Development Anamorphosis Epimorphosis Metamorphosis 2 Major Group of Planktonic Crustacea Dedapoda*: LuciferHarpacticoida: Microsetella Euphausiacea: PseudeuphausiaCyclopoida: Oithona EucaridaCalanoida: Calanus Isopoda*: CirolanaCopepoda Amphipoda*: HyperiaMyodovopa: Conchoecia Cumacea*: DiastylisOstracoda Mysidacea: GastrosaccusCladocera: Penilia PeracaridaAnostraca: Artemia MalacostracaBranchiopoda *: Mainly benthic The End Thank you for your attention!