[dinosaur] Large ornithopod diversity in Lower Cretaceous of Teruel, Spain (free pdf)

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Ben [email protected]=0A=0AA new paper in open access:=0A=0AF.=
J.  Verd=C3=BA, A. Cobos, R. Royo-Torres & L. Alcal=C3=A1 (2019)=0ADiversit=
y of large ornithopod dinosaurs in the upper Hauterivian-lower=0ABarremian =
(Lower Cretaceous) of Teruel (Spain): a morphometric approach.=0A[Diversida=
d de grandes dinosaurios ornit=C3=B3podos en el Hauteriviense=0Asuperior-Ba=
rremiense inferior (Cret=C3=A1cico Inferior) de Teruel (Espa=C3=B1a): una=
=0Aaproximaci=C3=B3n morfom=C3=A9trica].=0ASpanish Journal of Palaeontology=
 34(2): 269-288=0Adoi: https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3=
A__doi.org_10.7203_sjp.34.2.16116&d=3DDwIFaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOU=
HhpN0H8p7CSfnc_gI&r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=3D_u5Tm=
gy_S4KETKFJ6SwP2I9rJVHR665eVvEv3JydwxU&s=3DWYt742tJ57otExyxHmKHZY5t0j6wrri2=
Wfk6cMIXbqg&e=3D=20=0A=0AFree pdf:=0Ahttps://urldefense.proofpoint.com/v2/u=
rl?u=3Dhttp-3A__sepaleontologia.es_revista_anteriores_SJP-2520-282019-29-25=
20vol.-252034_vol2_7-5Fverdu.pdf&d=3DDwIFaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOUH=
hpN0H8p7CSfnc_gI&r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=3D_u5Tmg=
y_S4KETKFJ6SwP2I9rJVHR665eVvEv3JydwxU&s=3Dno0uR-qab27V7QSVs4XSCq_drUKyOqgSu=
5djszeL3kY&e=3D=20=0A=0AWe report some large ornithopod vertebrae from two =
upper Hauterivian-lower=0ABarremian (Lower Cretaceous) localities in El Cas=
tellar (Maestrazgo Basin,=0ATeruel, Spain). These fossils have been studied=
 systematically as well as=0Amorphometrically using a multivariate analysis=
 in order to analyse the=0Adiversity of the sample. In fact, principal comp=
onent analysis has been=0Ademonstrated as an useful tool for establishing a=
ffinities in isolated=0Aiguanodontian vertebrae, at least when size effect =
is not removed from the=0Aanalysed dataset. As result of this study, two la=
rge indeterminate=0Astyracosternans are distinguished in the sample: a larg=
e one with=0Aplatycoelus anterior caudal vertebrae related to the genera Ma=
gnamanus and=0AIguanodon, and a middle-sized one with longer-than-high dors=
al vertebrae=0Aand amphicoelus anterior caudal vertebrae related to Morella=
don. Such=0Adiversity of large ornithopods observed in the upper Hauterivia=
n-lower=0ABarremian of the Maestrazgo Basin is similar to that previously o=
bserved in=0Awestern Cameros Basin and it demonstrates the presence of at l=
east two=0Adifferent forms of styracosternan in this stratigraphic range of=
 the=0AIberian Peninsula.=0A=

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<div dir=3D"ltr"><div><br></div><div>Ben Creisler</div><div><a href=3D"mail=
to:[email protected]">[email protected]</a></div><div><br></div><div>A =
new paper in open access:</div><div><br></div>F.J.=C2=A0 Verd=C3=BA, A. Cob=
os, R. Royo-Torres &amp; L. Alcal=C3=A1 (2019) <br>Diversity of large ornit=
hopod dinosaurs in the upper Hauterivian-lower Barremian (Lower Cretaceous)=
 of Teruel (Spain): a morphometric approach. <br>[Diversidad de grandes din=
osaurios ornit=C3=B3podos en el Hauteriviense superior-Barremiense inferior=
 (Cret=C3=A1cico Inferior) de Teruel (Espa=C3=B1a): una aproximaci=C3=B3n m=
orfom=C3=A9trica].<br>Spanish Journal of Palaeontology 34(2): 269-288<br>do=
i: <a href=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__doi.or=
g_10.7203_sjp.34.2.16116&amp;d=3DDwMFaQ&amp;c=3DclK7kQUTWtAVEOVIgvi0NU5BOUH=
hpN0H8p7CSfnc_gI&amp;r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&amp;m=
=3D_u5Tmgy_S4KETKFJ6SwP2I9rJVHR665eVvEv3JydwxU&amp;s=3DWYt742tJ57otExyxHmKH=
ZY5t0j6wrri2Wfk6cMIXbqg&amp;e=3D">https://doi.org/10.7203/sjp.34.2.16116</a=
><div><br>Free pdf:<br><a href=3D"https://urldefense.proofpoint.com/v2/url?=
u=3Dhttp-3A__sepaleontologia.es_revista_anteriores_SJP-2520-282019-29-2520v=
ol.-252034_vol2_7-5Fverdu.pdf&amp;d=3DDwMFaQ&amp;c=3DclK7kQUTWtAVEOVIgvi0NU=
5BOUHhpN0H8p7CSfnc_gI&amp;r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&a=
mp;m=3D_u5Tmgy_S4KETKFJ6SwP2I9rJVHR665eVvEv3JydwxU&amp;s=3Dno0uR-qab27V7QSV=
s4XSCq_drUKyOqgSu5djszeL3kY&amp;e=3D">http://sepaleontologia.es/revista/ant=
eriores/SJP%20(2019)%20vol.%2034/vol2/7_verdu.pdf</a><br><br>We report some=
 large ornithopod vertebrae from two upper Hauterivian-lower Barremian (Low=
er Cretaceous) localities in El Castellar (Maestrazgo Basin, Teruel, Spain)=
. These fossils have been studied systematically as well as morphometricall=
y using a multivariate analysis in order to analyse the diversity of the sa=
mple. In fact, principal component analysis has been demonstrated as an use=
ful tool for establishing affinities in isolated iguanodontian vertebrae, a=
t least when size effect is not removed from the analysed dataset. As resul=
t of this study, two large indeterminate styracosternans are distinguished =
in the sample: a large one with platycoelus anterior caudal vertebrae relat=
ed to the genera Magnamanus and Iguanodon, and a middle-sized one with long=
er-than-high dorsal vertebrae and amphicoelus anterior caudal vertebrae rel=
ated to Morelladon. Such diversity of large ornithopods observed in the upp=
er Hauterivian-lower Barremian of the Maestrazgo Basin is similar to that p=
reviously observed in western Cameros Basin and it demonstrates the presenc=
e of at least two different forms of styracosternan in this stratigraphic r=
ange of the Iberian Peninsula.=C2=A0 =C2=A0<br></div></div>=0A=

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