,,univ]sity ,,( ,,kansas ,,publications ,,museum ,,( ,,natural ,,hi/ory ,volume #ab1 ,no4 #f1 pp4 #big-cjg1 #f figs4 ,may #ba1 #aifb ,two ,new ,pelycosaurs f ! ,l[] ,p]mian ( ,oklahoma ,,by ,,ri*>d ,c4 ,,fox ,,univ]sity ,,( ,,kansas ,,lawr5ce #aifb ,,univ]sity ,,( ,,kansas ,,publications1 ,,museum ,,( ,,natural ,,hi/ory ,editors3 ,e4 ,raymond ,hall1 ,*airman1 ,h5ry ,s4 ,fit*1 ,!odore ,h4 ,eaton1 ,jr4 ,volume #ab1 ,no4 #f1 pp4 #big-cjg1 #f figs4 ,publi%$ ,may #ba1 #aifb ,,univ]sity ,,( ,,kansas ,lawr5ce1 ,kansas ,,pr9t$ ,,by ,,jean ,m4 ,,neib>g]1 ,,/ate ,,pr9t] ,,topeka1 ,,kansas #aifb #bi-cjja ,two ,new ,pelycosaurs f ! ,l[] ,p]mian ( ,oklahoma ,,by ,,ri*>d ,c4 ,,fox ,9 ! c\rse ( exam9+ mat]ial f fissure deposits ( e>ly ,p]mian age collect$ f a lime/one qu>ry ne> ,=t ,sill1 ,oklahoma1 ! au?or recov]$ sev]al too?-be>+ fragm5ts ( small pelycosaurs4 ,! fragm5ts 7 exam9$1 comp>$ ) descriptions ( kn[n k9ds appe>+ 9 ! lit]ature1 & det]m9$ to be new g5]a )9 ! ,nitosauridae 7,edaphosauria7 & ,sph5acodontidae 7,sph5acodontia74 ,appreciation is express$ to ,pr(4 ,!odore ,h4 ,eaton1 ,jr41 = p]mission to exam9e ! collections ( ! ,univ]sity ( ,kansas f ,=t ,sill1 & = ! f9ancial assi/ance furni%$ by 8 ,national ,sci5ce ,f\ndation grant 7,,nsf-,g#hfbd74 ,i am grateful bo? to ,pr(4 ,eaton & ,mr4 ,dale ,l4 ,hoyt = _! sugge/ions reg>d+ ?is manuscript4 ,! accompany+ figures h be5 drawn by ! au?or4 ,family ,,nitosauridae ,delorhyn*us priscus new g5us & new species 7delos1 ,gr41 evid5t2 rhyn*os1 ,gr41 neut]1 no/ril2 priscus1 ,l41 anci5t4 ,delorhyn*us is mascul9e because ( ! end+ t x acquires :5 translit]at$ into ,lat947 ,type specim54--,fragm5t>y left maxilla1 be>+ f\r tee?1 ,,ku #aaaag4 ,ref]r$ specim5s4--,fragm5t>y "r maxilla hav+ f\r tee?1 ,,ku #aaaah2 fragm5t>y left maxilla hav+ f\r tee?1 ! mo/ po/]ior ( :i* has be5 brok51 ,,ku #aaaai4 ,horizon & locality4--,a fissure deposit 9 ! ,arbuckle lime/one at ! ,dolese ,bro!rs ,lime/one ,qu>ry1 approximately six miles nor? ( ,=t ,sill1 9 sec4 #ca1 ,t4 #d ,n1 ,r4 #aa ,w1 ,coman*e ,c\nty1 ,oklahoma4 ,^! s$im5ts are ( e>ly ,p]mian age1 possibly equival5t to ! ,arroyo =mation1 ,l[] ,cle> ,=k ,gr\p ( ,texas 7,vaughn1 #aieh3 #iha74 ,diagnosis4--,small2 m>g9al tee? conical1 sl5d] & recurv$ at tips2 m>g9al too?-r[ )\t can9i=m enl>gem5t2 n>ial op5+ enl>g$ & bord]$ dorsally1 po/]iorly & v5trally by maxilla2 maxilla ) =am5 op5+ lat]ally at po/]ov5tral corn] ( n>is4 ,description 7bas$ on #c maxill>y fragm5ts1 see ,table #a74--;,ea* ( ! maxill>y fragm5ts be>s f\r !codont tee?4 ,^! are conical1 sl5d] & %>ply po9t$2 9 _! di/al ?ird !y are slightly recurv$1 lat]ally compress$1 & h ant]ior & po/]ior non-s]rat$ cutt+ edges4 ,9 m$ial aspect at _! bases1 ! tee? are longitud9ally /riat$4 ,! bases ( ! tee? are circul> 9 cross-section & are slightly bulb\s4 ,!re is no can9i=m enl>gem5t ( any ( ! tee?1 ! longe/ too? ( ea* fragm5t be+ diff]5tly plac$ 9 ! s]ies ( tee? & little long] ?an ! o!rs4 ,!re is no swell+ on ei!r ! int]nal or ext]nal surfaces ( ! maxillae4 ,! tee? are 9 a cont9u\s s]ies2 no dia/ema or maxill>y /ep is evid5t4 ,illu/ration3 ,,figures #a-c4 ,delorhyn*us priscus1 l[] ,p]mian1 #f miles nor? ( ,=t ,sill1 ,coman*e ,c\nty1 ,oklahoma4 ,all #c4 ,,fig4 #a4 ,,ku #aaaag 7type specim571 lat]al view ( left maxilla4 ,,fig4 #b4 ,,ku #aaaah1 lat]al view ( "r maxilla4 ,,fig4 #c4 ,,ku #aaaai1 lat]al view ( left maxilla4 ,! fragm5ts h be5 brok5 along simil> l9es ( fracture1 & ea* is approximately rhomboidal 9 %ape4 ,! maxilla encircles ! po/]ior bord] ( ! n>is & ext5ds dorsally above ! n>is to an ext5t suffici5t to indicate ! probable exclusion ( ! lacrimal bone f ! n>ial bord]4 ,at ! po/]ov5tral corn] ( ! n>is a =am5 op5s onto ! lat]al surface ( ! maxilla4 ,! op5+ is ! entrance to a canal t runs po/]iorly above ! too?-r[ ?r\gh\t ! l5g? ( ea* specim54 ,b5ea? ! n>is ! maxilla ext5ds z a broad tap]+ %elf1 ! v5tral surface ( :i* articulates ) ! premaxilla4 ,! n>ial rim is wide1 b wid] v5trally ?an dorsally4 ,! plane ( ! n>ial rim is oblique to ! lat]al surface ( ! maxilla4 ,! ext]nal surface ( ea* fragm5t is groov$ & pitt$4 ,! ossification ( ea* fragm5t appe>s to h be5 complete4 ,,table #a4--;,,dim5sions1 ,,9 ,,millimet]s1 ,,( ,,?ree ,,maxill>y ,,fragm5ts ,,( ,,delorhyn*us ,,priscus ,key3 ,a4 ,ant]ior height ( fragm5t ,b4 ,po/]ior height ( fragm5t ,c4 ,l5g? ( fragm5t at too?-r[ ,d4 ,dorsal l5g? ( fragm5t ,e4 ,mean l5g? ( tee? ,f4 ,ant]ior wid? ( n>is ,,catalogue ,,numb] ,a4 ,b4 ,c4 ,d4 ,e4 ,f4 ,,& ,,mean ---------------------------------------- ------------- ,,ku #aaaag #f4j #h4j #f4j #h4j #c4j #c4j ,,ku #aaaah #f4j #f4j #i4j #h4j #b4j #c4j ,,ku #aaaai #f4f #h4j #aj4j #aa4j 8 #d4f ---------------------------------------- ------------- ,mean #f4b #g4c #h4c #i4j #b4e #d4e ---------------------------------------- ------------- ,discussion4--,! ,nitosauridae are small primitive edaphosaurs ) a mod]ately elongate face1 %>p subisodont tee?1 little developm5t ( can9es & few specializations4 ,! jaw is ( a primitive type & articulates on a level ) ! too?-r[4 ,! palatal d5tition is primitive 7,rom]1 #aief3bhj74 ,! nitosaurids are ?\ght to be relat$ to ! lat] ,caseidae1 & ! mo/ obvi\s /ructural simil>ities are f\nd 9 ! po/cranial skeleton 7,vaughn1 #aieh3ihi74 ,cranial resemblances betwe5 ! families are few]1 b nev]!less indicate t a nitosaurid-caseid relation%ip exi/s4 ,vaughn 7#aieh7 describ$ a small pelycosaur1 ,colobomyct] pholet] 7,eo?yrididae1 ,ophiacodontia7 t /ructurally resembles ! ,caseidae4 ,?is individual also 0 obta9$ f ! ,=t ,sill locality4 ,9 ,vaughn's op9ion ! features ( ,colobomyct] indicate a close relation%ip betwe5 eo?yridids & caseids & ! possibility t ! caseids may well h be5 ( eo?yridid r ?an nitosaurid d]ivation4 ,9 view ( ?is hi/orical unc]ta9ty ( ! relation%ips betwe5 ! ,nitosauridae1 ! ,eo?yrididae & ! ,caseidae1 x is well to consid] h[ ! maxill>y fragm5ts describ$ above diff] f & resemble repres5tatives ( ea* ( ^! ?ree families z report$ 9 ! lit]ature4 ,delorhyn*us resembles ,colobomyct] 9 size4 ,! mean extra-maxill>y l5g? ( ! undamag$ tee? ( ! ?ree fragm5ts is #b4e mm41 equal to t report$ by ,vaughn 7#aieh3ihe7 = tee? ab\t midway 9 ! po/can9e s]ies ( ,colobomyct]4 ,none ( ! tee? ( ,delorhyn*us ext5ds beyond ! maxill>y rim z f> z does ! can9e ( ,colobomyct] 7#c4e mm474 ,! tee? 9 bo? g5]a are conical & %>ply po9t$4 ,! n>is 9 ea* is enl>g$1 & ! lacrimal is exclud$ f ! n>ial m>g9 9 ea* 7by inf]5ce 9 ,delorhyn*us47 ,! diff]5ces betwe5 ! maxillae ( ,colobomyct] & ,delorhyn*us are mo/ /rik+ 9 ! lack ( can9es 9 ! latt] & ! correlat$ abs5ce ( modifications ( ! maxill>y = support ( can9es4 ,additionally1 ,delorhyn*us be>s an infraorbital canal 9 contra/ to ! groove 9 simil> position 9 ,colobomyct]4 ,! recurvature ( ! f\r tee? pres5t 9 ! fragm5ts ( ,delorhyn*us diff]s f t 9 ! tee? ( ,colobomyct] 9 :i* only ! can9e & precan9e are recurv$4 ,vaughn implies t ant]ior & po/]ior cutt+ edges ext5d ! l5g? ( ! tee? 9 ,colobomyct]2 ^! are re/rict$ to ! di/al ?ird ( ! tee? 9 ,delorhyn*us4 ,! ext]nal surfaces ( ! maxillae ( ,delorhyn*us are pitt$ & ridg$2 ,vaughn 0 unable to disc]n sculptur+ ( ! correspond+ surfaces 9 ,colobomyct]4 ,delorhyn*us resembles ! nitosaurids 9 size1 ! %ape & %>pness ( ! tee?1 _! recurvature & ! slight enl>gem5t ( _! bases1 ! exclusion ( ! lacrimal bone f ! n>ial m>g9 79 ,myct]osaurus7 & ! app>5t lack ( a special can9e pair ( tee?4 ,resemblances to ! caseids are to be not$ 9 ! enl>gem5t ( ! n>is 7#d4e mm4 9 height z oppos$ to #a4g mm4 9 ,colobomyct]71 lack ( developm5t ( can9es1 pres5ce ( an infraorbital canal 79 ,cotylorhyn*us7 & abs5ce ( _m replacem5t gaps 9 ! m>g9al r[ ( tee?4 ,! abs5ce ( can9i=m enl>gem5t & ! ext5sion ( ! maxilla dorsad ( ! n>is exclude ,delorhyn*us f ! ,eo?yrididae 7,ophiacodontia7 b are no b> to its inclusion 9 ! ,nitosauridae 7,edaphosauria74 ,! m>g9al tee? ( ,delorhyn*us are simple & primitive1 be+ mu* l ^? ( ! nitosaurids t are describ$ 9 ! lit]ature4 ,! l>ge n>ial op5+ & its po/]ior1 dorsal & v5tral enclosure by ! maxilla1 ! infraorbital canal1 & ! sculptur$ ext]nal surfaces ( ! maxill>y fragm5ts indicate t ,delorhyn*us1 9 ^! features at lea/1 is close to a*iev+ ! caseid grade4 ,family ,,sph5acodontidae ,?rausmosaurus s]ratid5s new g5us & new species 7,?rausmosaurus is =m$ f ! neut] ,greek n\n1 ?rausma1 mean+ fragm5t1 & ! mascul9e ,greek n\n1 sauros1 mean+ reptile4 ,! specific "n1 s]ratid5s1 is =m$ f ! ,lat9 s]ratus1 mean+ s]rate1 & ! mascul9e ,lat9 n\n1 d5s1 mean+ too?4 ,! specific "n is us$ z a sub/antive 9 apposition ) ! g5]ic "n47 ,type specim54--,fragm5t>y left d5t>y1 be>+ five tee?1 ! mo/ po/]ior ( :i* is brok5 at ! base1 ,,ku #aaabj4 ,ref]r$ specim5s4--,fragm5t>y 8left maxilla1 hav+ two tee?1 ,,ku #aaaba2 fragm5t>y left d5t>y hav+ two tee?1 ,,ku #aaabb4 ,horizon & locality4--,f ! e>ly ,p]mian fissure deposits 9 ! ,arbuckle lime/one ( ! ,dolese ,bro!rs ,lime/one ,qu>ry1 approximately #f miles nor? ( ,=t ,sill1 9 sec4 #ca1 ,t4 #d,n1 ,r4 #aa ,w1 ,coman*e ,c\nty1 ,oklahoma4 ,diagnosis4--,small2 tee? !codont1 compress$ lat]ally1 recurv$ di/ally1 & be>+ ant]ior & po/]ior cutt+ edges2 ant]ior s]rations limit$ to recurv$ portions ( tee?1 po/]ior s]rations ext5d+ ne>ly entire l5g? ( tee?2 lat]al compression ( tee? m pron\nc$ m$ially ?an lat]ally2 bases ( tee? exp&$4 ,description4--,! type specim5 is #af mm4 long4 ,x be>s five tee? t are implant$ 9 a /raight r[4 ,empty sockets are pres5t betwe5 ! fir/ & second tee?1 & ! ?ird & f\r? tee?4 ,! fir/ too? is #c4j mm4 long1 ! middle two are ea* #b4e mm4 long1 & ! f\r? too? is #b4j mm4 long4 ,! fif? too? is brok5 (f at its base4 ,! empty sockets are l>ge4 ,! m\? ( ea* is circul> & approximately #b4j mm4 9 diamet]4 ,bo? sockets are #a4be mm4 deep4 ,! bases ( ! tee? are exp&$ to fill ! sockets1 al?\gh ! blades ( ! tee? arise f only ! lat]al portions ( ! bases4 ,! edge ( ! d5t>y rises above ! bases ( ! tee? m$ially1 !reby produc+ a small depression at ! junction ( ea* base ) ! d5t>y bone4 ,! lat]al compression ( ! tee? is pron\nc$ b asymmetrical1 9 t ! lat]al surface ( ea* blade is m convex ?an ! m$ial surface4 ,illu/ration3 ,,figures #d-f4 ,?rausmosaurus s]ratid5s1 l[] ,p]mian1 #f miles nor? ( ,=t ,sill1 ,coman*e ,c\nty1 ,oklahoma4 ,all #c4 ,,fig4 #d4 ,,ku #aaabj 7type specim571 lat]al view ( left d5t>y4 ,,fig4 #e4 ,,ku #aaaba1 lat]al view ( 8left maxilla4 ,,fig4 #f4 ,,ku #aaabb1 lat]al view ( left d5t>y4 ,! recurvature ( ! ant]ior cutt+ edges is mu* m sev]e ?an t ( ! po/]ior edges1 b ! recurvature ( bo? is limit$ to ! di/al half ( ea* too?4 ,! s]rations ( ! cutt+ edges are n visible to ! nak$ eye & are limit$ on ! ant]ior edges ( ! tee? to ^? portions ( ! blades t are recurv$4 ,! po/]ior s]rations ext5d ne>ly to ! junction ( ! blade ( ea* too? ) its base4 ,! s]rations t5d to be m ne>ly cr5ulate ?an cuspidate4 ,a portion ( ! lat]al wall ( ! d5t>y surr\nd+ ! ,meckelian canal is pres5t4 ,! ext]nal surface ( ! wall is g5tly convex & smoo?1 )\t sculptur+4 ,! int]nal surfaces ( ! canal are unm>k$ ei!r by muscle sc>s or =am9a4 ,! fragm5t is a piece f ! po/]ior portion ( ! d5t>y1 s9ce ! decrease 9 height f ! fir/ too? to ! f\r? is pron\nc$4 ,,ku #aaabb1 a fragm5t ( ! left d5t>y be>+ two tee?1 is #g4e mm4 long4 ,! ant]ior too? is #c4j mm4 long2 ! po/]ior too? is #c4e mm4 long4 ,! %ape ( ! tee? & _! implantation con=m to ! description ( ! type specim54 ,! lat]al surface ( ! fragm5t is smoo? & g5tly convex4 ,:at little is pres5t ( ! surface bord]+ ! ,meckelian canal is unm>k$4 ,! 8maxill>y fragm5t be>s two tee? :i* are #c4j mm4 long1 & :i* con=m 9 _! *>act]s to ! type4 ,! lat]al1 m$ial & v5tral surfaces ( ! fragm5t h be5 %e>$ (f1 s t an exact id5tification ( ! bone is impossible4 ,presumably ! fragm5t is too deep dorsov5trally to be a piece ( ! d5t>y1 & no sign ( ! ,meckelian canal is pres5t4 ,discussion4--,! implantation1 lat]al compression1 recurvature & cutt+ edges ( ! tee? borne by ^! fragm5ts make cle> _! sph5acodontid nature4 ,! *>act]s ( ! fragm5ts are too few to det]m9e subfamilial aff9ities1 h[ev]4 ,t ! fragm5ts are ! rema9s ( adult animals c be only surmis$ f ! lack ( bones or tee? ( l>ge pelycosaurs 9 ! ext5sive collections ( ! ,univ]sity ( ,kansas f ! ,=t ,sill locality4 ,if ,?rausmosaurus is1 9 fact1 adult1 ! g5us is an unusually small sph5acodontid1 & ( significance bo? on t acc\nt & because ( ! resemblance ( ! tee? pres5tly kn[n to ^? ( its f> l>g] relatives4 ,! ,=t ,sill ,locality4--,peabody 7#aifa7 sugge/$ t ! fissures ( ,=t ,sill _h be5 us$ z d5s by pr$atory animals 9 ! e>ly ,p]mian1 & t ! unusually abundant bones 9 ! fissures 7 ! rema9s ( animals eat5 !re by ^! occupants4 ,evid5ce n[ kn[n to me af=ds an alt]native explanation t is pres5t$ "h z a prelim9>y to a m complete /udy ( ! fauna & paleoecology ( ^! deposits curr5tly be+ und]tak54 ,! sugge/ion t ! skeletal mat]ial f\nd 9 ! fissures is ! remnant ( ! prey ( o!r animals is que/ionable because (3 #a4 ,! abs5ce ( too? m>ks on ! fossils4 #b4 ,! recov]y f ! matrix ( skulls & portions ( articulat$ skeletons t are undamag$ or damag$ only by pressure aft] burial4 #c4 ,! r>ity 9 ! deposits ( animals ( l>g] body size ?an ,captorh9us1 ! exceptions be+ a few limb fragm5ts & skull fragm5ts ( labyr9?odont or pelycosaurian nature4 #d4 ,! abs5ce ( coprolites 9 ! matrix4 ,if ! fissures 7 ! d5s ( pr$ators1 at lea/ "s & probably _m ( ! bones w\ld %[ too? m>ks4 ,a pr$ator fe$+ on o!r animals w\ld be expect$ to leave "s evid5ce ( its habits on ! bones ( its prey4 ,no su* evid5ce is kn[n to me1 ei!r f my own exam9ation ( sev]al ?\s& bones or f ! reports 9 ! lit]ature by o!rs :o h /udi$ aspects ( ! e>ly ,p]mian fauna ( ,=t ,sill4 ,if ! pr$ators 7 l>g] ?an ,captorh9us & occupi$ ! fissures = a long en\gh "t to acc\nt = ! accumulation ( ! trem5d\s numb]s ( individuals t are repres5t$1 a consid]able am\nt ( ! skeletal mat]ial ( ! l>g] animals w\ld be pres5t 9 ! fissure deposits4 ,ev5 if = "s reason ! pr$ators di$ 9 areas o!r ?an )9 ! fissures1 !reby acc\nt+ = ! abs5ce ( l>ge bones1 coprolites %\ld appe> 9 ! deposits if1 9 fact1 ! fissures 7 fe$+ places4 ,9 view ( ! ne>ly undamag$ condition ( _m ( ! bones recov]$ f ! fissures1 x is reasonable to expect t fecal mat]ial w\ld be pres]v$4 ,! "* ( ! matrix ( ! deposits v>ies f a homog5e\s clay to clay int]rupt$ by lay]s ( s(t1 limey1 conglom]atic rock1 to a h>d1 well-cem5t$1 calc>e\s conglom]ate4 ,9 g5]al ! bone 9 ea* k9d ( matrix is color$ *>act]i/ically & exhibits a *>act]i/ic degree ( we>4 ,! bones entrapp$ 9 ! homog5e\s clay are relatively few1 black1 usually dis>ticulat$1 little worn & n unduly fragm5t$2 consequ5tly ! discov]y ( undamag$ limb bones1 = example1 f ?is k9d ( matrix is n unusual4 ,! bones f\nd 9 ! /ratifi$ portion ( ! matrix are m num]\s )9 ! lay]s ( conglom]ate ?an betwe54 ,! bones are black1 br[n or :ite1 highly fragm5t$ & wat]worn to a v>iable degree4 ,! fragm5ts recov]$ f ! h>d1 calc>e\s matrix are num]\s1 range 9 color f :ite ?r\gh v>i\s %ades ( br[n1 to black1 are highly fragm5t$1 & are usually worn by wat]4 ,^! categories = bone & matrix1 h[ev]1 are n mutually exclusive1 s9ce bones ( any ( ^! colors & exhibit+ any degree ( we> & fragm5tation are f\nd 9 any ( ! k9ds ( matrix describ$ above4 ,t wat] 0 ! ag5t ( we> is sugge/$ by ! highly poli%$ appe>ance ( ! worn bones & pebbles t are f\nd 9 ! matrix4 ,! v>iability ( ! matrix & ( ! color & condition ( ! bones indicates t ! ag5cies ( burial & fossilization diff]$ f "t to "t & t ! ag5cy ( transportation ( ! bones f ! site ( burial to ! fissures 0 runn+ wat]4 ,"o c easily visualize a /ream c\rs+ ! e>ly ,p]mian l&scape t 0 subject to p]iodic flood+ & dr\ghts4 ,along ! banks ( ! /ream & 9 its pools liv$ a v>iety ( microsaurs1 captorh9ids1 small labyr9?odonts & small pelycosaurs4 ,"s ( ! animals1 aft] !y di$1 7 ei!r buri$ ne> ! site ( _! dea? or 7 swept along & buri$ 9 s$im5ts fur!r d[n/ream4 ,burial 0 = a l5g? ( "t suffici5t to imp>t a color to ! bones *>act]i/ic ( ! site 9 :i* !y 7 buri$4 ,lat] floods reexpos$ ! sites ( burial1 pick$ up ! bones & c>ri$ !m to ! op5+s into ! fissures4 ,presumably1 too1 a proportion ( ! bones 0 c>ri$ to ! fissures )\t previ\s burial4 ,! diff]5ces 9 we> exhibit$ by diff]5t bones )9 ! same block ( matrix is attributable to diff]5ces 9 di/ance t ! bones 7 transport$ be=e f9al deposition4 ,! f9al sites ( deposition1 ! fissures1 7 inundat$ occasionally by floods alone1 or because ( *anges 9 location ( ! *annel ( ! /ream at ! "t ( flood+4 ,! p]iodicity ( deposition ( ! s$im5ts )9 portions ( ! fissures is indicat$ by ! /ratification ( ! bone conglom]ate m5tion$ e>li]4 ,9 summ>y1 x seems t !re is little or no evid5ce beyond ! numb]s ( bones involv$ to support ! hypo!sis t ! conc5tration ( bones 9 ! fissures ( ,=t ,sill repres5ts ! rema9s ( food ( pr$ators1 & t ! fissures 7 us$ z d5s by _! pr$atory occupants4 ,on ! contr>y1 ! evid5ce indicates t ! deposition ( ! bones 9 ! fissures 0 second>y & t ! ag5cy ( transportation1 deposition & accumulation ( ! bones 0 an e>ly ,p]mian /ream *>act]iz$ by p]iodic flood+4 ,,lit]ature ,,cit$ ,,peabody1 ,f4 ,e4 #aifa4 ,annual gr[? zones 9 liv+ & fossil v]tebrates4 ,j\r4 ,morph4 #ajh 7#a73 #aa-fb1 #fi figs41 ,janu>y4 ,,rom]1 ,a4 ,s4 #aief4 ,o/eology ( ! reptiles4 ,! ,univ]sity ( ,*icago ,press1 ,*icago1 xxi #ggb pp41 #bdh figs4 ,,rom]1 ,a4 ,s41 & ,,price1 ,l4 ,i4 #aidj4 ,review ( ! ,pelycosauria4 ,geol4 ,soc4 ,am]ica1 ,spec4 ,pap41 #bh3 x #ech pp41 #ga figs41 #df pls41 #h tables1 ,decemb] #f4 ,,vaughn1 ,p4 ,p4 #aieh4 ,on a new pelycosaur f ! l[] ,p]mian ( ,oklahoma1 & ! orig9 ( ! family ,caseidae4 ,j\r4 ,paleont41 #cb3iha-iia1 #a fig41 ,septemb]4 ,transmitt$ ,m>* #ae1 #aifb4