This book contains a collection of papers dealing with various aspects of the biology and aquaculture of the large branchiopod crustacea; the Anostraca, Conchostraca, and Notostraca. Included are many of the papers presented at the Second International Large Branchiopod Symposium convened in Ulm, Germany, 30 July--3 August 1993. Additional manuscripts contributed by colleagues who were unable to attend are also included. A special feature of this volume is a checklist of the Anostraca, including information on distribution, location of type material, taxonomic problems, and literature references.

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1. Phylogeny and evolution.- The Upper Cambrian Rehbachiella, its larval development, morphology and significance for the phylogeny of Branchiopoda and Crustacea.- Diagnosis and phylogeny of the New World Streptocephalidae (Branchiopoda: Anostraca).- Sex determination and evolution of unisexuality in the Conchostraca.- Is sexual selection operating in the androdioecious clam shrimp, Eulimnadia texana (Crustacea: Conchostraca)?.- 2. Behaviour.- Mating behaviour and time budget of an androdioecious crustacean, Eulimnadia texana (Crustacea: Conchostraca).- Selfing versus outcrossing in the androdioecious clam shrimp, Eulimnadia texana (Crustacea: Conchostraca).- Evidence for sex-related differences in phototactic behaviour of Streptocephalus proboscideus (Crustacea: Anostraca).- 3. Ecology.- The description and preliminary prediction of the inundation pattern in a temporary habitat of Anostraca, Notostraca and Conchostraca in South Africa.- Some notes on the ecology of a German Branchipus schaefferi population (Crustacea: Anostraca).- Review of Colombian Conchostraca (Crustacea) ecological aspects and life cycles family Cyclestheriidae.- Review of Colombian Conchostraca (Crustacea) ecological aspects and life cycles families Lynceidae, Limnadiidae, Leptestheriidae and Metalimnadiidae.- Food-dependent color patterns in Thamnocephalus platyurus Packard (Branchiopoda: Anostraca); a laboratory study.- 4. Aquaculture and hatching.- Laboratory culture of fairy shrimps using baker's yeast as basic food in a flow-through system.- Larviculture of the fairy shrimp, Streptocephalus proboscideus (Crustacea: Anostraca): effect of food concentration and physical and chemical properties of the culture medium.- Evaluation of agro-industrial wastes as diets for culture ofthe fairy shrimp Streptocephalus proboscideus (Frauenfeld, 1873) (Crustacea: Branchiopoda: Anostraca).- Influence of light, DMSO and glycerol on the hatchability of Thamnocephalus platyurus Packard cysts.- Observations on the effects of incubation at inhibitory temperature on subsequent hatching of anostracan cysts.- 5. Morphology and taxonomy.- An analysis of the setation pattern of the limbs in Anostraca (Crustacea); using the Algerian species as an example.- A contribution to the systematics of the Streptocephalidae (Branchiopoda: Anostraca).- Contribution to the taxonomy of species of the diaphanus group within the genus Chirocephalus Prevost, 1803 (Anostraca, Crustacea).- Concerning the identity of Branchinecta santacrucensis César, 1987.- Uncovering the Laurasian roots of Eubranchipus.- Age-influenced morphological changes in Leptestheria saetosa Marin?ek et Petrov, 1992 (Conchostraca, Crustacea).- Review of Colombian Conchostraca (Crustacea) morphotaxonomic aspects.- 6. Zoogeography.- The geographic distribution of the European Branchiopods (Anostraca, Notostraca, Spinicaudata, Laevicaudata).- Historical biogeography and morphological differentiation of Streptocephalus torvicornis (WAGA) since the Wurm III-glaciation.- Anostraca of the Indian Subcontinent.- Life history, resting egg formation, and hatching may explain the temporal-geographical distribution of Artemia strains in the Mediterranean basin.- On the presence of the genus Tanymastix Simon, 1886 (Crustacea: Anostraca) in Macedonia.- 7. Checklist.- Checklist of the Anostraca.