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~.48speci_ns.<br />
Genus BALroNIOOUS LIndHro.. , 1971<br />
~.Prlonlodusnavi... Llndstrolll,<br />
BALTONJOOUS PREVARIABILlS-B. VARIABll.lS transitIon<br />
8, figs. 1-8b,12a-13; PI. l~, figs. 3,4; fig. 40A,B, o-F ,H<br />
DescriptIon. Thts genus has a type IVapparatuIi that Is charan"rhed<br />
by tlla transltton serl..... : trld'onndelllfnnn--unraprlonlodlform-belodiform<br />
series and a falodHorm-prlonlodHorm-;lIn,nphognathl[orEl transition<br />
Theprlonlodtfol'Tlhas its posterIor and<br />
lateral processt's"et<br />
H an ..cute angle. The anterlo~ process is strongly curved Inward and<br />
varies from One half the length'''nearlyeq"al th.. I ..ngth of th.. slightly<br />
flarlngpostcrJorproc..s,.. The lateral process lsstratght anda]ways<br />
longer than theot"er twoproc"s"..s, The d1sposltlon of the procelisesof<br />
tlois for.. ts sunnglyasYn>..trJcaltonearlysyo:rnetrlcal. Inth"flrst"xtr"m",<br />
lh"anlerlorprnc.."" lsabnutan.. h..Ifthe l .. ngthor, ndissitoated<br />
lID to 1)0 degrees to the posnniar pro"""". Orall)", ther.. Is an<br />
angle of;Q to 90 degrees between the lateral and anterIor processes,and<br />
~re"s. [n the latter exue"'e, the anterior process Is ncarl~'equal In length<br />
to the posterior process and oriented DO to I~O degr....s from it. Or;\l1y,<br />
DO to 150 deRrce~ bet....een the lateral and the posterior prucess..s. Later"lly,<br />
the posterIor and the lateral processes a~e Set at.about 80 d,,-<br />
there is a 70 to 90 "~l':r.... ~ "nglp. b.. tween the la~ral and the anterior<br />
proccss"sandaI30toI40degr"esanglehet"eenth.. laterallOndthepnsterl~r<br />
processes. Laterally. the posterior and the lat..ral processes are<br />
-,--_.-_<br />
, ..,;~:,:<br />
_ _--~-~.
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