Reproductive season 



Infraspecific variation 

 Migrations 

 Sound production 

 Artificial incubation 

 Huso huso X 



Acipenser gueldenstaedti X 



Artificial hybridization 

 Acipenser ruthenus X 

 Artificial hybridization 

 Introduction for fishery 



Fish culture 

 Fish cultural methodology 

 Kessleria 



Invalidation 

 Paleopsephurus wilsoni 

 Cretaceous 

 Population density 

 Polyodon spathuJa 



General structure and behavior 



Nitrogen metabolism 

 Enzymology 



Experimental analysis 

 Gill arches 

 Anatomy 

 Thalamus 

 Anatomy 



Ultrastructure 

 Descriptive evolution 

 Metencephalon 

 Anatomy 

 Histology 

 Retina 

 Histology 



Descriptive evolution 

 Reticuloendothelial system 



Experimental analysis 

 Gill arch teeth 

 Anatomy 



Descriptive evolution 

 Bile 



Biochemistry 



Descriptive evolution 

 Distribution 



Reduction of range by man 

 Population changes 

 Hormone induced reproduction 

 Fish control agents 

 Antimycin-A 



Lethal environmental limits 

 Experimental analysis 

 Protoscaphirynchus squamosus 

 Cretaceous 

 Population density 

 Psephurus gladius 

 Gill arch teeth 

 Anatomy 



Descriptive evolution 

 Pseudoscaphirhynchus 



Validation 

 Saurichthys madagascariensis 

 Skull 



Anatomy 



Descriptive evolution 

 Brain 

 Triassic 

 Saurichthys piveteaui 

 New species 

 Skull 



Anatomy 



Descriptive evolution 

 Triassic 

 Scaphirhynch us 

 Gill arches 

 Anatomy 

 Scaphirhynch us hermanni 



Validation 

 Scaphirhynch us platorynchus 

 Relationships 

 Identifying characters 

 DNA content and function 

 Nitrogen metabolism 

 Enzymology 



Experimental analysis 

 Gill arches 

 Anatomy 

 Gut 



Anatomy 

 Caryotype 

 Population density 

 Gut 





Paleoniscomorpha 



804075 



Evolution 



804075 



Coprolites 



808753 



Bibliography 



808425 



Distribution 





Andieolepis hedei 





New species 



808425 



New genus 





Inc sed 



808425 



Relationships 



808425 



Armored scales 



808681 



Anatomy 



808683 



Histology 





Silurian 



804384 







Paleonisciformes 



805815 



Relationships 



805815 



Scalation 





Caudal fin 



806614 



Anatomy 



808010 



Function 





Armored scales 



804584 



Histology 



803753 



Visceral skeleton 





Skull 



807964 



Anatomy 





Descriptive evolution 





Lateral line pores and canals 



805151 



Anatomy 



805151 



Descriptive evolution 





Carboniferous 



806094 



Permian 





Triassic 



806015 



Paleoecology 





Adroichthys wbercuiatus 



803688 



New species 





New genus 





Gross external anatomy 



807964 



Carboniferous 





Aeduella blasnviliei 





Diagnosis 



805484 



Synonymy 



805646 



Gross external anatomy 



806821 



Allometry 



807110 



Aeduellidae 



808464 



New family 



804073 



Relationships 





Aestuarichthys fuicratus 





New species 





New genus 



808605 



Gross external anatomy 





Carboniferous 



805815 



AHenypterus montanus 



805815 



New species 





New genus 





Carboniferous 





Ambiypterus angustus 



807964 



Invalidation 





Ambodipia madagascariensis 



804384 



New species 





Relationships 





Triassic 





Austraiichthys longidorsaJis 



807218 



New species 



807218 



New genus 



807218 



Gross external anatomy 





Carboniferous 



807218 



Birgeria 





Gill arches 





Anatomy 



807218 



Bourbonnella guiUoti 



807218 



New species 





New genus 





Gross external anatomy 



807964 



Pectoral fins 





Charieuxia autunensis 



804384 



New species 





New genus 



803582 



Coccolepis 



■803982 



Cretaceous 



803582 



Decazella vetteri 





New species 



804584 



New genus 



803753 



Dorolepis virgatus 





New species 



807964 



New genus 





Relationships 



807842 



Gross external anatomy 



RmSR7 



Triassic 



Acipenseromorpha 

 (continued) 



Paleoniscomorpha 



805866 

 805866 

 805866 



807218 



804102 

 804102 

 807218 

 804013 

 804012 

 805866 

 807218 

 804927 



804927 

 804927 

 804927 

 804927 



805866 

 805866 

 805866 

 805866 



805866 

 805866 



804927 

 804927 

 804927 

 804927 



805019 

 805019 

 805019 



807218 

 807218 

 807218 



804927 

 804927 

 804927 

 804927 



805866 

 805866 

 805866 



805866 

 805866 



805866 

 805866 



805900 

 805900 

 805900 

 805900 

 805900 



808464 

 807842 



199 



