LifeinWater
SomescientistsdisagreedwithIbrahim.So,withagrantfromtheNationalGeographicSociety,Ibrahimsearchedformorefossils.Heneededproof.Theworkwashard.But,itbecamerewardingaftertheteamdiscovered
more pieces.
Inotherdinosaurs,thetailcomestoapoint.InSpinosaurus,thetailisbroad.Itlookslikeapaddle.Tinybumpsnearthetipmayhaveletitmovebackand forth.
Spinosaurus hadcrocodile-likejawswithlarge,cone-shapedteethtogripslippery fish.
Ibrahimwantedtoknowhowthistailworkedinthewater.Hefoundoutthatthetailhasmoreforwardthrustinwaterthanotherdinosaurtailshaveonland.Now,Ibrahimwassure.Spinosaurus spentmostofitstimeinthe water.
FossilsegmentsofSpinosaurus’tailshowthatitwasbroadandusedas
a paddle.
ScientistspreviouslythoughtSpinosaurus’tailwasnarrow
and pointed.
Inthisanimation,aSpinosaurususesitspaddle-liketailtomovethrough water.
QuestionsRemain
Researchgoeson.Anotherfossilcouldbeanotherclue.It’sabonefromthedinosaur’sfoot.Now,theteamcanrecreatethewholefoot.Wasitwebbed?Thatwouldbegoodforanaquatic dinosaur.
IbrahimcontinuestodigtofindanswerstohisSpinosaurusquestions.
Scientistsattempttocreatealife-sizemodel
ofSpinosaurus.Thisshowswhatisnowknownabout its tail.
AViewAroundSpinosaurus
Dragtheslidertoturnthis3DmodelofSpinosaurus.