19 



Table 2. -List of abbreviations used in anatomical figures. 



B 



branchiostegal 



MX 



maxilla 



BB 



basibranchial 



N 



nasal 



BLC 



basipterygium lateral cartilage 



OB 



orbitosphenoid 



BO 



basioccipital 



OP 



opercle 



BPT 



basipterygium 



OS 



OS suspensorium 



BR 



basal radial .' 



PB 



pharyngobranchial 



CB 



ceratobranchial 



PCP 



postcleithral process 



CBP 



ceratobranchial tooth patch 



PH 



parhypural 



CH 



ceratohyal 



PL 



palatine 



CV 



compound vertebra 



PMX 



premaxilla 



Dl 



first dorsal spine 



POP 



preopercle 



D2 



second dorsal spine , 



PR 



parapophysis 



EB 



epibranchial 



PRO 



prootic 



EP 



epural 



PSP 



parasphenoid 



EPO 



epioccipital 



PST 



posttemporal 



EPP 



posterior epioccipital process 



PTG 



pterygiophore 



EXO 



exoccipital 



PTR 



pterotic 



F 



frontal 



PTS 



pterosphenoid 



HM 



hyomandibula 



PUi + Ui 



compound centrum 



HP 



hypohyal 



PU2 



preural centra (1-2) 



HS 



hemal spine ' 



Q 



quadrate 



HY 



hypurals 



K 



pleural rib 



HYB 



hypobranchial .r;.- ' , ij ", % ■ i 

 hypurapophysis *^ ^' ' ' '• ' 



1°SC 



primary spermatocyte 



HYP 



2°SC 



secondary spermatocyte 



IH 



interhyal .. ^ „. ,. 



SO 



supraoccipital 



lO 



infraorbitals . . * ' ' * 



SPH 



sphenotic 



lOP 



interopercle . ^^ '■'■■■'■ * i' 



SPO 



suprapreopercle 



L 



lacrimal >? •'** - 



ST 



spermatid 



LE 



lateral ethmoid ' . "^ - > •, 



SZ 



spermatozeugmata 



LPR 



lower principal caudal ray . ,= ^/ 



IR 



tripus 



LS 



longitudinal septum of swimbladder 



UH 



urohyal 



ME 



mesethmoid 



UPR 



upper principal caudal ray 



MP 



mesopterygoid " • '„. 



V 



vertebral centrum 



MR 



Miillerian ramus 



VOM 



vomer 



MT 



1- ■_ ■.;. 



metapterygoid 





\ .- - " J-«^V: 





