Xenacanthomorpha Expleuracanthus 



(continued) „. w name 



Spines 

 Oral teeth 

 Permian 

 Dipnoi Pleuracanthus 



Gill arches 

 Anatomy 

 Descripti\ 

 Xenacanthus 

 Distribution 

 Dipnoi 



Relationships 



General structure and behavic 

 Body form 



Locomotion 

 DNA content and function 



Descriptive evolution 



Comparative enzymology 



Fructose diphosphatase 



Intermediary metabolism 



Biochemistry 

 Nitrogen metabolism 

 Function 



Descriptive evolution 

 Enzymology 

 Biochemistry 

 Armored scales 

 Cosmine 



Development 



Descriptive evolution 

 Vertebrae 

 Function 



Descriptive evolution 

 Fins 



Function 



Descriptive evolution 

 Gill arches 

 Anatomy 



Descriptive evolution 

 Jaws 



Anatomy 

 Function 

 Descriptive evolution 



Skull 



Anatomy 

 Function 

 Nose 



Anatomy 

 Histology 

 Function 



Development 



Descriptive evolution 



Internal nares 



Function 

 Nana! lamellae 

 Histology 

 Function 

 Lens 



Biochemistry 



Descriptive evolution 

 Neurosecretion in brain 

 Biochemistry 



Descriptive evolution 

 Neurohypophysis 

 Anatomy 

 Histology 

 Biochemistry 

 Function 



Descriptive evolution 

 Neuroendocrine substances 

 Biochemistry 



Descriptive evolution 

 Descriptive evolution 



Adenohypophysis 



Anatomy 

 Function 



Descriptive evolutio 

 Thyroid stimulating h 



Descriptive evolution 



805866 

 805866 

 805866 

 805866 



806833 



803927 

 807013 

 807019 

 807170 

 807171 

 807964 

 808748 

 804744 



808748 

 809067 



808748 

 808748 

 807964 



807013 

 807013 

 807019 



803927 

 803957 

 806899 

 806899 

 808467 

 806899 

 808467 



803957 



803957 

 805482 

 809071 



80907 1 

 80907 1 

 809070 

 809071 

 803652 



805462 

 805225 

 803652 

 804083 



Biochemistry 

 Function 

 Growth hormone 

 Effect on fish 

 Biochemistry 

 Pituitary blood supply 

 Anatomy 

 Function 



Descriptive evolution 

 Thyroid 



Descriptive evolution 

 Adrenal cortex 

 Anatomy 

 Function 

 Cortical hormones 



Descriptive evolution 

 Pancreatic islets 

 Anatomy 

 Histology 

 Aerial respiration 

 Function 



Descriptive evolution 

 Descriptive evolution 

 Skin respiration 



Descriptive evolution 

 Lung 



Descriptive evolution 



Innervation 

 Biochemistry 

 External gills 

 Function 



Descriptive evolution 

 Spleen 

 Erythrocytes 

 Thrombocytes 

 Leucocytes 

 Biochemical blood constituents 



Mineral content 

 Oral teeth 

 Function 



Descriptive evolution 

 Kidney 

 Anatomy 

 Histology 

 Function 

 Evolution 



Stratigraphic distribution 

 D. 



Carboniferous 



Convergence and parallels 



Adenohypophysis 

 Adaptive radiation 

 Homology 



Gill arches 

 Identification 

 Zoogeography 



Palcoccology 



Salinity 



Aestivation 

 Coprohtcs 



Bibliography 

 Distribution 



Ceratodus 

 Triassic 

 Cretaceous 

 Distribution 



Chirodipterus wildungensis 



Brain 



Anatomy 



Descriptive evolution 

 Conchopoma 



Redefinition 



Synonymy 

 Conchopoma edesi 



New species 



Relationships 



Pectoral fins 



Oral teeth 



Pcnnsylvanian 

 Conchopoma gadiforme 



Operculum 

 Anatomy 



Descriptive evolution 



809070 

 806304 

 806304 



809075 

 803652 



808748 

 806894 

 804346 

 804346 

 804346 



809063 



807170 

 803741 

 804734 



807964 

 803741 

 805461 

 808748 



804469 

 803741 

 808971 



805236 

 807335 

 805236 

 807335 



806436 

 806436 

 806436 

 806436 

 806436 



192 



