CAJ | 학술논문

本文对化石直脉蝎蛉科(Orthophlebiidae)的分属做了再分类,仍保留该科内的2个属:直脉蝎蛉属Orthophlebia和原直脉蝎蛉属Protorthophlebia,解体中蝎蛉属Mesopanorpa.中蝎蛉属被解体后,其包含所有的种,如Rs1主干带3支或3支以上支脉,归入直脉蝎蛉属;如Rs1仅带2支支脉,归入原直脉蝎蛉属;原中蝎蛉属以Rs主干两倍长于MA主干作为属的分类根据,但这一属征常常导致分类上的混乱,故本文不作为属或亚属的分类根据.上述保留的2个属,再以Rs分支先于、后于或等于MA的特征,即Rs主干短于、长于或等于MA主干作为亚属的分类根据.以此,在直脉蝎蛉属Orthophlebia和原直脉蝎蛉属Protorthophlebia之下各自设立3个亚属(Hong et Zhang,2004).在已建立的6个亚属中,Orthophlebia(Brachyphlebia)Hong et Zhang,2004和Protorthophlebia (Mecynophlebia)Hong et Zhang,2004分别修改为Orthophlebia(Orthophlebia)Westwood,1845和Protorthophlebia(Protorthophlebia)Tillyard,1933的新异名.中生代直脉蝎蛉中脉的前支(MA)并非在古生代之后就完全消失.根据对中生代不同时期、不同层位、不同地区直脉蝎蛉和本目其他科在内化石标本的观察,中脉及其前、后支脉(MA、MP)仍然继续存在与发展.基于这种事实,本文认为直脉蝎蛉科脉序命名中沿用已久的Rs后支(Rs3+4)应为中脉的前支(MA),原来沿用的中脉(M)为中脉的后支(MP).这样,有助于我们对长翅目中脉及其前、后(MA、MP)支脉的准确辨认,尤其是对MA脉在地史上变革、发展,以及与Rs脉的演化关系的认识可能有所裨益.
본문대화석직맥갈령과(Orthophlebiidae)적분속주료재분류,잉보류해과내적2개속:직맥갈령속Orthophlebia화원직맥갈령속Protorthophlebia,해체중갈령속Mesopanorpa.중갈령속피해체후,기포함소유적충,여Rs1주간대3지혹3지이상지맥,귀입직맥갈령속;여Rs1부대2지지맥,귀입원직맥갈령속;원중갈령속이Rs주간량배장우MA주간작위속적분류근거,단저일속정상상도치분류상적혼란,고본문불작위속혹아속적분류근거.상술보류적2개속,재이Rs분지선우、후우혹등우MA적특정,즉Rs주간단우、장우혹등우MA주간작위아속적분류근거.이차,재직맥갈령속Orthophlebia화원직맥갈령속Protorthophlebia지하각자설립3개아속(Hong et Zhang,2004).재이건립적6개아속중,Orthophlebia(Brachyphlebia)Hong et Zhang,2004화Protorthophlebia (Mecynophlebia)Hong et Zhang,2004분별수개위Orthophlebia(Orthophlebia)Westwood,1845화Protorthophlebia(Protorthophlebia)Tillyard,1933적신이명.중생대직맥갈령중맥적전지(MA)병비재고생대지후취완전소실.근거대중생대불동시기、불동층위、불동지구직맥갈령화본목기타과재내화석표본적관찰,중맥급기전、후지맥(MA、MP)잉연계속존재여발전.기우저충사실,본문인위직맥갈령과맥서명명중연용이구적Rs후지(Rs3+4)응위중맥적전지(MA),원래연용적중맥(M)위중맥적후지(MP).저양,유조우아문대장시목중맥급기전、후(MA、MP)지맥적준학변인,우기시대MA맥재지사상변혁、발전,이급여Rs맥적연화관계적인식가능유소비익.
The generic classification of the family Orthophlebin the present paper. Genera Orthophlebia and Protophlebia are remained in the family Orthophlebiidae while genus Mesophlebia is disassembled, in which the species are ascribed to Orthophlebia if Rs1 at least with 3 branches, and to Protophlebia if Rs1 only with 2 branches. Three subgenera are erected in Orthophlebia and Protophlebia respectively according to the relationship between stems of Rs and MA, i.e. Rs forking earlier or later than MA, or at the same level as MA.