DavidRoyHunter.pdf

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sharp posarlor"dg" t:har is continuous "teh th" aharpo ...allllll.rgin of the
ba~..'. There are tWo posteriorly directed c""ta-lik,, procesns that do not
app"" ... to be spmeUlcally dlspo""d. The b""al cavity 15 deep and triangular
In troSs secrion.
The prlonl9dlfol'lll.5 are !lupe[f1c1~lly sh,n"r to th.. trlchonodel-
11 for... , but Ulustrste II lllOr" pronounced llSYlII]etry. The b"saltllargln Is
convexou[wardandconc"ve inward.
The utrllprioniodiforllS lIave a
proclined cusp and sharp ant~rlor
andpost"riorllat"ginsthatbeco",e,,[ronglykeeledon thebase.T\.toun-
"qllallydevelopedandasy_tricallydtsposedprocess-LLkecostae",.."rg..
frollch"lat"H11fat.."ina"",r"ort..sspo"terlordlrect!on.
Th" olsrodifon.1I have a robust. blconve~ and sh'lrp-.. dged cusp.
Th" oral IMrgin of the base Is Sharp snd sbout as long as the cusp. The
basal (:3Vity is lan(:eolate because of lateral flaring of the'basal ..argio.
TI,ere are three forlnS of non-(:ostate elem"nu thn are be~t u'-
garded cordylodifornu;. Oue (on> has a suberect ...nd very robust cu~p ..ith
sharp anterIor and posterIor ..dges. The outer hce of th.. cusp is conv"x
and th" Inn.. r faceisneaTlyplanar. The base ls short and not laterally
e~pllnded. A se(:ond fom has a robust erect cusp "'hh sharp edges and conve~
lateral faces. Unl.lke tn.e first descrIbed forlll It 18 antera-poster l-
oTlyextended. Thebasa!rLargin flares In both lateraldlree.tlaos. The
t!>ITd for'" has" short cusp, is extended snterq-posl..rlorly and h brnadly
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