FOSSIL AND RECENT 

 VIII. ABBREVIATIONS USED IN TEXT-FIGURES 



ace 



anterior ceratohyal 



fm 



foramen magnum 



ao 



antorbital 



foa 



foramen for orbital artery 



ao.s.c 



antorbital sensory canal 



f.ptf 



foramen leading to 



apal 



autopalatine 





post-temporal fossa 



a.p.b 



anterior opening for periotic 



fr 



frontal 





bulla 



fsp 



foramen for occipital nerve 



a.ros 



anterior rostral ossicle 



fuv 



fused vertebral centrum 



art 



articular 



gr.ah 



groove for afferent hyoidean 



asp 



autosphenotic 





artery 



atfc 



anterior opening of pars 



gr.V & VII 



groove for superficial 





jugularis 





ophthalmic branches of 



bh 



basihyal 





V& VII 



boc 



basioccipital 



gr.so.s.c 



groove for supraorbital sensory 



brr 



branchiostegal ray 





canal 



bsp 



basisphenoid 



gu 



gular plate 



cb 



ceratobranchial (numbered 1-5) 



h 



hypural (numbered 1-7) 



cl 



cleithrum 



hb 



hypobranchial (numbered 1-3) 



cor 



coracoid 



hm 



hyomandibular 



CSC 



caudal scute 



ib 



infrapharyngobranchial 



cy 



scale 





(numbered 1-3) 



de 



dermethmoid 



ic 



intercalar 



den 



dentary 



in 



interhyal 



df 



dilatator fossa 



io 



infraorbital (numbered 1-5) 



dhh 



dorsal hypohyal 



iop 



interoperculum 



d.l 



dorsal (epiotic) limb of 



io.s.c 



infraorbital sensory canal 





post-temporal 



l.e 



lateral ethmoid 



dpal 



dermopalatine 



1.1 



lateral line 



dsp 



dermosphenotic 



m.c 



Meckelian cartilage 



eart 



endosteal articular 



m.cor 



mesocoracoid 



eb i 



first epibranchial 



mes 



mesethmoid 



e.com 



ethmoid commissure 



mpt 



metapterygoid 



ecp 



ectopterygoid 



m.ros 



middle rostral ossicle 



enp 



endopterygoid 



m.s.c 



mandibular sensory canal 



ep 



epural (numbered 1-3) 



mx 



maxilla 



epo 



epiotic 



myp 



posterior myodome 



epo.pr 



epiotic process 



na 



nasal 



exo 



exoccipital 



np 



notochordal pit 



f.ah 



foramen for afferent hyoidean 



npu 1 



neural arch associated with 





artery 





first preural centrum 



fahm 



facet for articulation with 



nsp pu 



neural spine associated with 





hyomandibular 





preural centrum 



fa.mx 



facet for articulation with 





(numbered 2-4) 





maxilla 



nu 1 



neural arch associated with 



fa. pal 



facet for articulation with 





first ural centrum 





palatine 



op 



operculum 



fa.pmx 



facet for articulation with 



ors 



orbitosphenoid 





premaxilla 



ot.s.c 



otic sensory canal 



f.bv 



foramen for a blood vessel 



pa 



parietal 



fep 



foramen for efferent 



pap 



parapophysis 





pseudobranchial artery 



par 



parasphenoid 



fhv 



foramen for head vein 



pee 



posterior ceratohyal 



fica 



foramen for internal carotid 



pel 



postcleithrum (numbered 1-3) 





artery 



ph 



parhypural 



