Appendix IV 



List of abbreviations used in figures and text 



AAP 



Anterior ascending process of maxil- 



CLA 



Claustrum 





la 



CO 



Cavity 



AC 



Anterior chamber of gas bladder 



COEM 



Coracoidal end of mesocoracoid 



ACH 



Anterior ceratohyal 



CON 



Constriction of gas bladder 



ACO 



Anterior conus of mesethmoid 



COR 



Coracoid 



ADP 



Anterior dorsal vertebral postzygapo- 



CP 



Coronoid process 





physis 



CPM 



Cleithral process of mesocoracoid 



AEP 



Anterior edentulous process of the 



CR 



Crest 





pharyngeal bone 



DE 



Dentary 



AF 



Anal fin 



DENT 



Dentigerous surface of pharyngeal 



AFMEP 



Articular surface of metapterygoid for 





bone 





hyomandibular 



DLPI 



Dorsolateral process of intercalarium 



AFT 



Articular surface of maxilla 



DMPI 



Dorsomedial process of intercalarium 



AL 



Anterior limb of pharyngeal bone 



DPB 



Dorsal portion of basioccipital 



AMP 



Anteromedial process of maxilla 



DPU 



Dorsal plate of urohyal 



ANA 



Anterior nasal opening 



EB 



Epibranchial 



ANF 



Anterior fork of urohyal 



ECP 



Ectopterygoid 



ANP 



Anterior process of maxilla 



ENP 



Entopterygoid 



ANT 



Anterior 



EOC 



Exoccipital 



ANTPB 



Anterior process of basioccipital 



EP 



Epural 



APA 



Apical radial of scale 



EPOC 



Epioccipital 



APAL 



Autopalatine 



EYE 



Eye 



APORS 



Anterior process of orbital septum 



FIC 



Carotid foramen 



APTG 



Anal pterygiophore 



FOM 



Foramen 



AR 



Anterior ramus of tripus 



FR 



Frontal 



ART 



Anguloarticular 



FV 



Trigeminal foramen 



AW 



Ascending wing of parasphenoid 



FVII 



Facial foramen 



AX 



Axis of olfactory organ 



GP 



Genital papilla 



BAR 



Barbel 



GS 



Gill cleft 



BB 



Basibranchial 



H 



Hypural 



BH 



Basihyal 



HA 



Haemal arch 



BO 



Basioccipital 



HB 



Hypobranchial 



BPB 



Body portion of exoccipital 



HF 



Hyoid foramen 



BPC 



Broader part of coracoid bone 



HH 



Hypohyal 



BR 



Branchiostegal ray 



HLS 



Horizontal lateral strip on the flank 



BRA 



Basal radial of scale 



HS 



Haemal spine 



BST 



Breast scale with tubercles 



ICA 



Intercalarium 



CA 



Cartilage 



IH 



Interhyal 



CAB 



Cartilage at posterior end of ischiac 



IO 



Infraorbital bone 





process of basipterygium 



IOP 



Interopercle 



CB 



Ceratobranchial 



IP 



Ischiac project of basipterygium 



CEB 



Canal formed by exoccipital and ba- 



LB 



Lateral pelvic plate of basipterygium 





sioccipital 



LE 



Lateral ethmoid 



CEM 



Cleithral end of mesocoracoid 



LES 



Lateral extrascapula 



CL 



Cleithrum 



Lig 



Ligament 



