[dinosaur] New skull remains of Phorusrhacos from Miocene of Argentina (free pdf)

Ben Creisler
[email protected]

A new paper with free pdf:


Federico J. Degrange, Drew Eddy, Pablo Puerta & Julia Clarke (2019)
New skull remains of Phorusrhacos longissimus (Aves, Cariamiformes) from
the Miocene of Argentina: implications for the morphology of Phorusrhacidae.
Journal of Paleontology 93(6): 1221-1233
https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1017_jpa.2019.53&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=N54luJii8jGTMkucB8QqacJILhtYWB45M636mCe2CJ4&s=4AaCK6DU5_eS7i82sJ07R5fj194xoqdBaR11nIqIzwI&e= 
https://urldefense.proofpoint.com/v2/url?u=https-3A__pubs.geoscienceworld.org_jpaleontol_article_93_6_1221_574643&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=N54luJii8jGTMkucB8QqacJILhtYWB45M636mCe2CJ4&s=6_wv4k1il-I2I0OOwyViUV--NiYr_KBwiETYzYrtPMo&e= 


The giant carnivorous phorusrhacid bird Phorusrhacos longissimus (Aves,
Cariamiformes) was first described in 1887 by Florentino Ameghino on the
basis of a jaw fragment. The majority of a skull of the species still
encased in crumbling rock was preserved only long enough for illustrations
to be made by Carlos Ameghino in the field and for a brief description to
be written. Skull remains of this species have remained scarce, and few
postcranial remains have been figured. Here, we reassess the cranial
anatomy of this outstanding ‘terror bird’ species taking into account data
from a newly discovered skull. An additional specimen of a well-preserved
dorsal vertebra referable to Phorusrhacinae is also described from a
separate locality within the Miocene Santa Cruz Formation (late early
Miocene) from Santa Cruz Province in Argentina. The skull includes most of
the rostrum, skull roof, and mandible and is compared with material from
other members of the Phorusrhacinae. The new data from the skull and
vertebra provide morphological features of this clade that benefit future
taxonomic and phylogenetic analyses of this iconic group of birds.

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